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2020 – today
- 2024
[j68]Thatree Mamee
, Zaiqi Lou, Katsuhiro Hata, Makoto Takamiya, Takayasu Sakurai, Shinichi Nishizawa, Wataru Saito:
Estimating of IGBT Bond Wire Lift-Off Trend Using Convolutional Neural Network (CNN). IEEE Access 12: 96936-96945 (2024)- [j67]Ruizhi Wang, Yaogan Liang, Makoto Takamiya:
Ultrahigh framerate vision chip featuring central-based edge detection processed by all-digital in-imager global-parallel processing architecture. IEICE Electron. Express 21(5): 20230627 (2024) - [j66]Hao Qiu, Xusheng Zhang, Junji Chen, Makoto Takamiya, Yi Shi:
A 6.78-MHz Coupling Coefficient Sensorless Wireless Power Transfer System Charging Multiple Receivers With Efficiency Maximization by Adaptive Magnetic Field Distributor IC. IEEE Trans. Circuits Syst. I Regul. Pap. 71(2): 974-983 (2024) - 2023
- [j65]Zaiqi Lou, Thatree Mamee, Katsuhiro Hata, Makoto Takamiya, Shinichi Nishizawa, Wataru Saito:
IGBT Power Module Design for Suppressing Gate Voltage Spike at Digital Gate Control. IEEE Access 11: 6632-6640 (2023) - [j64]Ruizhi Wang, Cheng-Hsuan Wu, Makoto Takamiya:
Integrated Imager and 3.22 μs/Kernel-Latency All-Digital In-Imager Global-Parallel Binary Convolutional Neural Network Accelerator for Image Processing. IEEE Access 11: 74364-74378 (2023) - [j63]Xuchu Mu, Guangshu Zhao, Anyang Zhao, Yang Jiang, Man-Kay Law, Makoto Takamiya, Pui-In Mak, Rui Paulo Martins:
Floating-Domain Integrated GaN Driver Techniques for DC-DC Converters: A Review. IEEE Trans. Circuits Syst. I Regul. Pap. 70(9): 3790-3805 (2023) - [j62]Dao-Han Yao, Tzu-Ning Liu, Makoto Takamiya, Po-Hung Chen:
A 6.78-MHz Wireless Power Transfer System With Dual-Output Resonant Current-Mode Regulating Rectifier and Transmission Power Regulation. IEEE Trans. Circuits Syst. I Regul. Pap. 70(12): 4986-4998 (2023) - [j61]Qiaobo Ma, Xiongjie Zhang, Anyang Zhao, Huihua Li, Yang Jiang, Man-Kay Law, Makoto Takamiya, Rui Paulo Martins, Pui-In Mak:
A 10.5 W, 93% Efficient Dual-Path Hybrid (DPH)-Based DC-DC Converter Incorporating a Continuous-Current-Input Switched-Capacitor Stage and Enhanced IL Reduction for 12 V/24 V Inputs. IEEE Trans. Circuits Syst. I Regul. Pap. 70(12): 5482-5495 (2023) - [c85]Hao Qiu, Xusheng Zhang, Junji Chen, Yi Shi, Makoto Takamiya:
Transmitter IC Enabling Magnetic Field Shaping for High-Efficiency Wireless Charging of Multiple Receivers. ASICON 2023: 1-4 - [c84]Dibo Zhang, Kohei Horii, Katsuhiro Hata, Makoto Takamiya:
Digital Gate ICs for Driving and Sensing Power Devices to Achieve Low-Loss, Low-Noise, and Highly Reliable Power Electronic Systems. CICC 2023: 1-7 - 2022
- [j60]Makoto Takamiya:
Foreword. IEICE Trans. Electron. 105-C(10): 519-520 (2022) - [j59]Hao Qiu, Takayasu Sakurai, Makoto Takamiya:
A 6.78-MHz Multiple-Transmitter Wireless Power Transfer System With Efficiency Maximization by Adaptive Magnetic Field Adder IC. IEEE J. Solid State Circuits 57(8): 2390-2403 (2022) - [j58]Yu-Shan Cheng, Daiki Yamaguchi, Tomoyuki Mannen, Keiji Wada, Toru Sai, Koutaro Miyazaki, Makoto Takamiya, Takayasu Sakurai:
High-Speed Searching of Optimum Switching Pattern for Digital Active Gate Drive to Adapt to Various Load Conditions. IEEE Trans. Ind. Electron. 69(5): 5185-5194 (2022) - 2021
- [j57]Qiaobo Ma, Xiongjie Zhang, Yang Jiang, Katsuhiro Hata, Makoto Takamiya, Man-Kay Law, Pui-In Mak, Rui Paulo Martins:
A multi-path switched-capacitor-inductor hybrid DC-DC converter with reduced inductor loss and extended voltage conversion range. IEICE Electron. Express 18(22): 20210405 (2021) - [j56]Fu-Bin Yang, Jonathan Fuh, Yu-Hsien Li, Makoto Takamiya, Po-Hung Chen:
Structure-Reconfigurable Power Amplifier (SR-PA) and 0X/1X Regulating Rectifier for Adaptive Power Control in Wireless Power Transfer System. IEEE J. Solid State Circuits 56(7): 2054-2064 (2021) - [j55]Hao Qiu, Yuntao Jiang, Yi Shi, Takayasu Sakurai, Makoto Takamiya:
Analysis and Mitigation of Coupling-Dependent Data Flipping in Wireless Power and Data Transfer System. IEEE Trans. Circuits Syst. I Regul. Pap. 68(12): 5182-5193 (2021) - [c83]Hao Qiu, Makoto Takamiya:
A 6.78 MHz Wireless Power Transfer System for Simultaneous Charging of Multiple Receivers with Maximum Efficiency using Adaptive Magnetic Field Distributor IC. VLSI Circuits 2021: 1-2 - 2020
- [j54]Hui-Hsuan Lee, Chi-Wei Liu, Makoto Takamiya, Po-Hung Chen:
Single-Inductor Dual-Input Dual-Output Battery-PV Hybrid System With 2-D Adaptive On-Time Control for Internet of Things. IEEE Trans. Circuits Syst. I Regul. Pap. 67-I(3): 1069-1078 (2020) - [c82]Riccy Kurniawan, Tamaki Fukudome, Hao Qiu, Makoto Takamiya, Yoshihiro Kawahara, Jinkyu Yang, Ryuma Niiyama:
An Untethered 216-mg Insect-Sized Jumping Robot with Wireless Power Transmission. IROS 2020: 7881-7886 - [c81]Hao Qiu, Toru Sai, Makoto Takamiya:
A 6.78 MHz Wireless Power Transfer System Enabling Perpendicular Wireless Powering with Efficiency Increase from 0.02% to 48.2% by Adaptive Magnetic Field Adder IC Integrating Shared Coupling Coefficient Sensor. VLSI Circuits 2020: 1-2
2010 – 2019
- 2019
- [j53]Teruki Someya, A. K. M. Mahfuzul Islam, Takayasu Sakurai, Makoto Takamiya:
An 11-nW CMOS Temperature-to-Digital Converter Utilizing Sub-Threshold Current at Sub-Thermal Drain Voltage. IEEE J. Solid State Circuits 54(3): 613-622 (2019) - [j52]Teruki Someya, Kenichi Matsunaga, Hiroki Morimura, Takayasu Sakurai, Makoto Takamiya:
A 0.90-4.39-V Detection Voltage Range, 56-Level Programmable Voltage Detector Using Fine Voltage-Step Subtraction for Battery Management. IEEE Trans. Circuits Syst. I Regul. Pap. 66-I(3): 1270-1279 (2019) - [c80]Tsukasa Kagaya, Koutaro Miyazaki, Makoto Takamiya, Takayasu Sakurai:
A 500-Mbps Digital Isolator Circuits using Counter-Pulse Immune Receiver Scheme for Power Electronics. ICICDT 2019: 1-4 - [c79]Koutaro Miyazaki, Yang Lo, A. K. M. Mahfuzul Islam, Katsuhiro Hata, Makoto Takamiya, Takayasu Sakurai:
CNN-based Approach for Estimating Degradation of Power Devices by Gate Waveform Monitoring. ICICDT 2019: 1-4 - [c78]Yu-Shan Cheng, Daiki Yamaguchi, Tomoyuki Mannen, Keiji Wada, Toru Sai, Koutaro Miyazaki, Makoto Takamiya, Takayasu Sakurai:
Digital Active Gate Drive with Optimal Switching Patterns to Adapt to Sinusoidal Output Current in a Full Bridge Inverter Circuit. IECON 2019: 1684-1689 - [c77]Hao Qiu, Takayasu Sakurai, Makoto Takamiya:
Coupling-Dependent Data Flipping in Wireless Power and Data Transfer System. ISCAS 2019: 1-5 - 2018
- [j51]Toru Sai, Yoshitaka Yamauchi, Hajime Kando, Tatsuya Funaki, Takayasu Sakurai, Makoto Takamiya:
2/3 and 1/2 Reconfigurable Switched Capacitor DC-DC Converter With 92.9% Efficiency at 62 mW/mm2 Using Driver Amplitude Doubler. IEEE Trans. Circuits Syst. II Express Briefs 65-II(11): 1654-1658 (2018) - [j50]Chung-Shiang Wu, Makoto Takamiya, Takayasu Sakurai:
Clocked Hysteresis Control Scheme With Power-Law Frequency Scaling in Buck Converter to Improve Light-Load Efficiency for IoT Sensor Nodes. IEEE Trans. Very Large Scale Integr. Syst. 26(6): 1139-1150 (2018) - [c76]Teruki Someya, Islam A. K. M. Mahfuzul, Takayasu Sakurai, Makoto Takamiya:
A 13nW temperature-to-digital converter utilizing sub-threshold MOSFET operation at sub-thermal drain voltage. CICC 2018: 1-4 - [c75]Makoto Takamiya, Yen Hsun Hsu, Axel Thomsen:
Session 27 overview: Power-converter techniques: Power management subcommittee. ISSCC 2018: 420-421 - [c74]Hao Qiu, Yuki Uno, Toru Sai, Shunta Iguchi, Yota Mizutani, Takayuki Hoshi, Yoshihiro Kawahara, Yasuaki Kakehi, Makoto Takamiya:
Luciola: a light-emitting particle moving in mid-air based on ultrasonic levitation and wireless powering. SIGGRAPH ASIA Emerging Technologies 2018: 7:1-7:2 - 2017
- [j49]Islam A. K. M. Mahfuzul, Masamune Hamamatsu, Tomoyuki Yokota, Sunghoon Lee, Wakako Yukita, Makoto Takamiya, Takao Someya, Takayasu Sakurai:
Programmable Neuron Array Based on a 2-Transistor Multiplier Using Organic Floating-Gate for Intelligent Sensors. IEEE J. Emerg. Sel. Topics Circuits Syst. 7(1): 81-91 (2017) - [j48]Teruki Someya, Hiroshi Fuketa, Kenichi Matsunaga, Hiroki Morimura, Takayasu Sakurai, Makoto Takamiya:
Design and Analysis of Ultra-Low Power Glitch-Free Programmable Voltage Detector Based on Multiple Voltage Copier. IEICE Trans. Electron. 100-C(4): 349-358 (2017) - [j47]Yuki Uno, Hao Qiu, Toru Sai, Shunta Iguchi, Yota Mizutani, Takayuki Hoshi, Yoshihiro Kawahara, Yasuaki Kakehi, Makoto Takamiya:
Luciola: A Millimeter-Scale Light-Emitting Particle Moving in Mid-Air Based On Acoustic Levitation and Wireless Powering. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 1(4): 166:1-166:17 (2017) - [j46]Shunta Iguchi, Takayasu Sakurai, Makoto Takamiya:
A Low-Power CMOS Crystal Oscillator Using a Stacked-Amplifier Architecture. IEEE J. Solid State Circuits 52(11): 3006-3017 (2017) - [c73]Chung-Shiang Wu, Makoto Takamiya, Takayasu Sakurai:
Buck converter with higher than 87% efficiency over 500nA to 20mA load current range for IoT sensor nodes by Clocked Hysteresis Control. CICC 2017: 1-4 - [c72]Yoshitaka Yamauchi, Toru Sai, Takayasu Sakurai, Makoto Takamiya:
Modeling of 3-level buck converters in discontinuous conduction mode for stand-by mode power supply. ISCAS 2017: 1-4 - [c71]Makoto Takamiya, Yogesh K. Ramadass, Keith A. Bowman, Gerard Villar Pique, Shuichi Nagai, Dennis Sylvester:
F1: Integrated voltage regulators for SoC and emerging IoT systems. ISSCC 2017: 500-502 - 2016
- [j45]Shunta Iguchi, Hiroshi Fuketa, Takayasu Sakurai, Makoto Takamiya:
Variation-Tolerant Quick-Start-Up CMOS Crystal Oscillator With Chirp Injection and Negative Resistance Booster. IEEE J. Solid State Circuits 51(2): 496-508 (2016) - [c70]Teruki Someya, Kenichi Matsunaga, Hiroki Morimura, Takayasu Sakurai, Makoto Takamiya:
56-Level programmable voltage detector in steps of 50mV for battery management. A-SSCC 2016: 49-52 - [c69]Hidetoshi Ohta, Masanobu Honda, Makoto Takamiya:
Interventional placement of thin coil shaped implants powered wirelessly for monitoring vital signals and controlling abnormal activities by electro-stimulation. EMBC 2016: 3035-3038 - [c68]Shunta Iguchi, Takayasu Sakurai, Makoto Takamiya:
5.7 A 39.25MHz 278dB-FOM 19µW LDO-free stacked-amplifier crystal oscillator (SAXO) operating at I/O voltage. ISSCC 2016: 100-101 - 2015
- [j44]Makoto Takamiya, Jieh-Tsorng Wu, Jussi Ryynänen, Kenichi Okada, Jaeha Kim:
Jussi Ryynänen Introduction to the December Special Issue on the 2015 IEEE International Solid-State Circuits Conference. IEEE J. Solid State Circuits 50(12): 2799-2803 (2015) - [j43]Shunta Iguchi, Pyungwoo Yeon, Hiroshi Fuketa, Koichi Ishida, Takayasu Sakurai, Makoto Takamiya:
Wireless Power Transfer With Zero-Phase-Difference Capacitance Control. IEEE Trans. Circuits Syst. I Regul. Pap. 62-I(4): 938-947 (2015) - [c67]Dan Luo, Hiroshi Fuketa, Kenichi Matsunaga, Hiroki Morimura, Makoto Takamiya, Takayasu Sakurai:
Analysis to optimize sensitivity of RF energy harvester with voltage boost circuit. ECCTD 2015: 1-4 - [c66]Teruki Someya, Hiroshi Fuketa, Kenichi Matsunaga, Hiroki Morimura, Takayasu Sakurai, Makoto Takamiya:
248pW, 0.11mV/°C glitch-free programmable voltage detector with multiple voltage duplicator for energy harvesting. ESSCIRC 2015: 249-252 - [c65]Yoshitaka Yamauchi, Yuki Yanagihara, Hiroshi Fuketa, Takayasu Sakurai, Makoto Takamiya:
Optimal design to maximize efficiency of single-inductor multiple-output buck converters in discontinuous conduction mode for IoT applications. ICICDT 2015: 1-4 - [c64]Hiroshi Fuketa, Masamune Hamamatsu, Tomoyuki Yokota, Wakako Yukita, Teruki Someya, Tsuyoshi Sekitani, Makoto Takamiya, Takao Someya, Takayasu Sakurai:
16.4 Energy-autonomous fever alarm armband integrating fully flexible solar cells, piezoelectric speaker, temperature detector, and 12V organic complementary FET circuits. ISSCC 2015: 1-3 - [c63]Marian Verhelst, Dennis Sylvester, Makoto Takamiya, Mike Clinton, Kathy Wilcox, Koichi Nose:
F4: Building the Internet of Everything (IoE): Low-power techniques at the circuit and system levels. ISSCC 2015: 1-2 - [c62]Makoto Takamiya:
Energy efficient design and energy harvesting for energy autonomous systems. VLSI-DAT 2015: 1-3 - 2014
- [j42]Hiroshi Fuketa, Masahiro Nomura, Makoto Takamiya, Takayasu Sakurai:
Intermittent Resonant Clocking Enabling Power Reduction at Any Clock Frequency for Near/Sub-Threshold Logic Circuits. IEEE J. Solid State Circuits 49(2): 536-544 (2014) - [j41]Xin Zhang, Po-Hung Chen, Yasuyuki Okuma, Koichi Ishida, Yoshikatsu Ryu, Kazunori Watanabe, Takayasu Sakurai, Makoto Takamiya:
A 0.6 V Input CCM/DCM Operating Digital Buck Converter in 40 nm CMOS. IEEE J. Solid State Circuits 49(11): 2377-2386 (2014) - [j40]Hiroshi Fuketa, Kazuaki Yoshioka, Yasuhiro Shinozuka, Koichi Ishida, Tomoyuki Yokota, Naoji Matsuhisa, Yusuke Inoue, Masaki Sekino, Tsuyoshi Sekitani, Makoto Takamiya, Takao Someya, Takayasu Sakurai:
1 µm-Thickness Ultra-Flexible and High Electrode-Density Surface Electromyogram Measurement Sheet With 2 V Organic Transistors for Prosthetic Hand Control. IEEE Trans. Biomed. Circuits Syst. 8(6): 824-833 (2014) - [j39]Shunta Iguchi, Akira Saito, Kazunori Watanabe, Takayasu Sakurai, Makoto Takamiya:
Design Method of Class-F Power Amplifier With Output Power of -20 dBm and Efficient Dual Supply Voltage Transmitter. IEEE Trans. Circuits Syst. I Regul. Pap. 61-I(10): 2978-2986 (2014) - [c61]Hiroshi Fuketa, Youichi Momiyama, Atsushi Okamoto, Tsuyoshi Sakata, Makoto Takamiya, Takayasu Sakurai:
An 85-mV input, 50-µs startup fully integrated voltage multiplier with passive clock boost using on-chip transformers for energy harvesting. ESSCIRC 2014: 263-266 - [c60]Hiroshi Fuketa, Kazuaki Yoshioka, Tomoyuki Yokota, Wakako Yukita, Mari Koizumi, Masaki Sekino, Tsuyoshi Sekitani, Makoto Takamiya, Takao Someya, Takayasu Sakurai:
30.3 Organic-transistor-based 2kV ESD-tolerant flexible wet sensor sheet for biomedical applications with wireless power and data transmission using 13.56MHz magnetic resonance. ISSCC 2014: 490-491 - [c59]Makoto Takamiya, Hiroshi Fuketa, Koichi Ishida, Tomoyuki Yokota, Tsuyoshi Sekitani, Takao Someya, Takayasu Sakurai:
Flexible, large-area, and distributed organic electronics closely contacted with skin for healthcare applications. MWSCAS 2014: 829-832 - [c58]Shunta Iguchi, Hiroshi Fuketa, Takayasu Sakurai, Makoto Takamiya:
92% start-up time reduction by variation-tolerant chirp injection (CI) and negative resistance booster (NRB) in 39MHz crystal oscillator. VLSIC 2014: 1-2 - 2013
- [j38]Koichi Ishida, Tsung-Ching Huang, Kentaro Honda, Yasuhiro Shinozuka, Hiroshi Fuketa, Tomoyuki Yokota, Ute Zschieschang, Hagen Klauk, Gregory Tortissier, Tsuyoshi Sekitani, Hiroshi Toshiyoshi, Makoto Takamiya, Takao Someya, Takayasu Sakurai:
Insole Pedometer With Piezoelectric Energy Harvester and 2 V Organic Circuits. IEEE J. Solid State Circuits 48(1): 255-264 (2013) - [j37]Hiroshi Fuketa, Ryo Takahashi, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai:
Increase of Crosstalk Noise Due to Imbalanced Threshold Voltage Between nMOS and pMOS in Subthreshold Logic Circuits. IEEE J. Solid State Circuits 48(8): 1986-1994 (2013) - [j36]Hiroshi Fuketa, Koji Hirairi, Tadashi Yasufuku, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai:
Minimizing Energy of Integer Unit by Higher Voltage Flip-Flop: VDDmin-Aware Dual Supply Voltage Technique. IEEE Trans. Very Large Scale Integr. Syst. 21(6): 1175-1179 (2013) - [c57]Hiroshi Fuketa, Ryo Takahashi, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai:
Variation-aware subthreshold logic circuit design. ASICON 2013: 1-4 - [c56]Shunta Iguchi, Akira Saito, Kentaro Honda, Yun Fei Zheng, Kazunori Watanabe, Takayasu Sakurai, Makoto Takamiya:
315MHz OOK transceiver with 38-µW receiver and 36-µW transmitter in 40-nm CMOS. ASP-DAC 2013: 93-94 - [c55]Xin Zhang, Po-Hung Chen, Yoshikatsu Ryu, Koichi Ishida, Yasuyuki Okuma, Kazunori Watanabe, Takayasu Sakurai, Makoto Takamiya:
A low voltage buck DC-DC converter using on-chip gate boost technique in 40nm CMOS. ASP-DAC 2013: 109-110 - [c54]Shusuke Yoshimoto, Shinji Miyano, Makoto Takamiya, Hirofumi Shinohara, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A 40-nm 8T SRAM with selective source line control of read bitlines and address preset structure. CICC 2013: 1-4 - [c53]Tsuyoshi Sekitani, Tomoyuki Yokota, Makoto Takamiya, Takayasu Sakurai, Takao Someya:
Electrical artificial skin using ultraflexible organic transistor. DAC 2013: 125:1-125:3 - [c52]Yasuhiro Shinozuka, Hiroshi Fuketa, Koichi Ishida, Futoshi Furuta, Kenichi Osada, Kenichi Takeda, Makoto Takamiya, Takayasu Sakurai:
Reducing IR drop in 3D integration to less than 1/4 using Buck Converter on Top die (BCT) scheme. ISQED 2013: 210-215 - [c51]Hiroshi Fuketa, Kazuaki Yoshioka, Yasuhiro Shinozuka, Koichi Ishida, Tomoyuki Yokota, Naoji Matsuhisa, Yusuke Inoue, Masaki Sekino, Tsuyoshi Sekitani, Makoto Takamiya, Takao Someya, Takayasu Sakurai:
1µm-thickness 64-channel surface electromyogram measurement sheet with 2V organic transistors for prosthetic hand control. ISSCC 2013: 104-105 - [c50]Hiroshi Fuketa, Masahiro Nomura, Makoto Takamiya, Takayasu Sakurai:
Intermittent resonant clocking enabling power reduction at any clock frequency for 0.37V 980kHz near-threshold logic circuits. ISSCC 2013: 436-437 - [c49]Hiroshi Fuketa, Koichi Ishida, Tsuyoshi Sekitani, Makoto Takamiya, Takao Someya, Takayasu Sakurai:
Large-area and flexible sensors with organic transistors. IWASI 2013: 87-90 - 2012
- [j35]Lechang Liu, Takayasu Sakurai, Makoto Takamiya:
A 315 MHz Power-Gated Ultra Low Power Transceiver in 40 nm CMOS for Wireless Sensor Network. IEICE Trans. Electron. 95-C(6): 1035-1041 (2012) - [j34]Naoki Masunaga, Koichi Ishida, Takayasu Sakurai, Makoto Takamiya:
EMI Camera LSI (EMcam) with On-Chip Loop Antenna Matrix to Measure EMI Noise Spectrum and Distribution. IEICE Trans. Electron. 95-C(6): 1059-1066 (2012) - [j33]Koichi Ishida, Tsung-Ching Huang, Kentaro Honda, Tsuyoshi Sekitani, Hiroyoshi Nakajima, Hiroki Maeda, Makoto Takamiya, Takao Someya, Takayasu Sakurai:
A 100-V AC Energy Meter Integrating 20-V Organic CMOS Digital and Analog Circuits With a Floating Gate for Process Variation Compensation and a 100-V Organic pMOS Rectifier. IEEE J. Solid State Circuits 47(1): 301-309 (2012) - [j32]Po-Hung Chen, Koichi Ishida, Katsuyuki Ikeuchi, Xin Zhang, Kentaro Honda, Yasuyuki Okuma, Yoshikatsu Ryu, Makoto Takamiya, Takayasu Sakurai:
Startup Techniques for 95 mV Step-Up Converter by Capacitor Pass-On Scheme and VTH-Tuned Oscillator With Fixed Charge Programming. IEEE J. Solid State Circuits 47(5): 1252-1260 (2012) - [j31]Po-Hung Chen, Xin Zhang, Koichi Ishida, Yasuyuki Okuma, Yoshikatsu Ryu, Makoto Takamiya, Takayasu Sakurai:
An 80 mV Startup Dual-Mode Boost Converter by Charge-Pumped Pulse Generator and Threshold Voltage Tuned Oscillator With Hot Carrier Injection. IEEE J. Solid State Circuits 47(11): 2554-2562 (2012) - [j30]Xin Zhang, Yu Pu, Koichi Ishida, Yoshikatsu Ryu, Yasuyuki Okuma, Po-Hung Chen, Kazunori Watanabe, Takayasu Sakurai, Makoto Takamiya:
A 1-V-Input Switched-Capacitor Voltage Converter With Voltage-Reference-Free Pulse-Density Modulation. IEEE Trans. Circuits Syst. II Express Briefs 59-II(6): 361-365 (2012) - [j29]Ryo Takahashi, Hidehiro Takata, Tadashi Yasufuku, Hiroshi Fuketa, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai:
Large Within-Die Gate Delay Variations in Sub-Threshold Logic Circuits at Low Temperature. IEEE Trans. Circuits Syst. II Express Briefs 59-II(12): 918-921 (2012) - [j28]Xin Zhang, Koichi Ishida, Hiroshi Fuketa, Makoto Takamiya, Takayasu Sakurai:
On-Chip Measurement System for Within-Die Delay Variation of Individual Standard Cells in 65-nm CMOS. IEEE Trans. Very Large Scale Integr. Syst. 20(10): 1876-1880 (2012) - [c48]Po-Hung Chen, Koichi Ishida, Xin Zhang, Yasuyuki Okuma, Yoshikatsu Ryu, Makoto Takamiya, Takayasu Sakurai:
A 120-mV input, fully integrated dual-mode charge pump in 65-nm CMOS for thermoelectric energy harvester. ASP-DAC 2012: 469-470 - [c47]Hiroshi Fuketa, Ryo Takahashi, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai:
Increase of crosstalk noise due to imbalanced threshold voltage between NMOS and PMOS in sub-threshold logic circuits. CICC 2012: 1-4 - [c46]Shunta Iguchi, Akira Saito, Kazunori Watanabe, Takayasu Sakurai, Makoto Takamiya:
2.1 Times increase of drain efficiency by dual supply voltage scheme in 315MHz class-F Power amplifier at output power of -20dBm. ESSCIRC 2012: 345-348 - [c45]Akira Saito, Yun Fei Zheng, Kazunori Watanabe, Takayasu Sakurai, Makoto Takamiya:
0.35V, 4.1μW, 39MHz crystal oscillator in 40nm CMOS. ISLPED 2012: 333-338 - [c44]Tadashi Yasufuku, Koji Hirairi, Yu Pu, Yun Fei Zheng, Ryo Takahashi, Masato Sasaki, Hiroshi Fuketa, Atsushi Muramatsu, Masahiro Nomura, Hirofumi Shinohara, Makoto Takamiya, Takayasu Sakurai:
24% Power reduction by post-fabrication dual supply voltage control of 64 voltage domains in VDDmin limited ultra low voltage logic circuits. ISQED 2012: 586-591 - [c43]Koichi Ishida, Tsung-Ching Huang, Kentaro Honda, Yasuhiro Shinozuka, Hiroshi Fuketa, Tomoyuki Yokota, Ute Zschieschang, Hagen Klauk, Gregory Tortissier, Tsuyoshi Sekitani, Makoto Takamiya, Hiroshi Toshiyoshi, Takao Someya, Takayasu Sakurai:
Insole pedometer with piezoelectric energy harvester and 2V organic digital and analog circuits. ISSCC 2012: 308-310 - [c42]Koji Hirairi, Yasuyuki Okuma, Hiroshi Fuketa, Tadashi Yasufuku, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai:
13% Power reduction in 16b integer unit in 40nm CMOS by adaptive power supply voltage control with parity-based error prediction and detection (PEPD) and fully integrated digital LDO. ISSCC 2012: 486-488 - [c41]Akira Saito, Kentaro Honda, Yun Fei Zheng, Shunta Iguchi, Kazunori Watanabe, Takayasu Sakurai, Makoto Takamiya:
An all 0.5V, 1Mbps, 315MHz OOK transceiver with 38-µW career-frequency-free intermittent sampling receiver and 52-µW class-F transmitter in 40-nm CMOS. VLSIC 2012: 38-39 - [c40]Xin Zhang, Po-Hung Chen, Yoshikatsu Ryu, Koichi Ishida, Yasuyuki Okuma, Kazunori Watanabe, Takayasu Sakurai, Makoto Takamiya:
A 0.45-V input on-chip gate boosted (OGB) buck converter in 40-nm CMOS with more than 90% efficiency in load range from 2µW to 50µW. VLSIC 2012: 194-195 - 2011
- [j27]Po-Hung Chen, Koichi Ishida, Xin Zhang, Yasuyuki Okuma, Yoshikatsu Ryu, Makoto Takamiya, Takayasu Sakurai:
0.18-V Input Charge Pump with Forward Body Bias to Startup Boost Converter for Energy Harvesting Applications. IEICE Trans. Electron. 94-C(4): 598-604 (2011) - [j26]Yasuyuki Okuma, Koichi Ishida, Yoshikatsu Ryu, Xin Zhang, Po-Hung Chen, Kazunori Watanabe, Makoto Takamiya, Takayasu Sakurai:
0.5-V Input Digital Low-Dropout Regulator (LDO) with 98.7% Current Efficiency in 65 nm CMOS. IEICE Trans. Electron. 94-C(6): 938-944 (2011) - [j25]Xin Zhang, Yu Pu, Koichi Ishida, Yoshikatsu Ryu, Yasuyuki Okuma, Po-Hung Chen, Takayasu Sakurai, Makoto Takamiya:
A Variable Output Voltage Switched-Capacitor DC-DC Converter with Pulse Density and Width Modulation (PDWM) for 57% Ripple Reduction at Low Output Voltage. IEICE Trans. Electron. 94-C(6): 953-959 (2011) - [j24]Lechang Liu, Takayasu Sakurai, Makoto Takamiya:
0.6 V Voltage Shifter and Clocked Comparator for Sampling Correlation-Based Impulse Radio UWB Receiver. IEICE Trans. Electron. 94-C(6): 985-991 (2011) - [j23]Katsuyuki Ikeuchi, Hideki Kusamitsu, Mutsuo Daito, Gil-Su Kim, Makoto Takamiya, Takayasu Sakurai:
1 Gb/s, 50 µm × 50 µm Pads on Board Wireless Connector Based on Track-and-Charge Scheme Allowing Contacted Signaling. IEICE Trans. Electron. 94-C(6): 992-998 (2011) - [j22]Tadashi Yasufuku, Yasumi Nakamura, Piao Zhe, Makoto Takamiya, Takayasu Sakurai:
Power Supply Voltage Dependence of Within-Die Delay Variation of Regular Manual Layout and Irregular Place-and-Route Layout. IEICE Trans. Electron. 94-C(6): 1072-1075 (2011) - [j21]Koichi Ishida, Naoki Masunaga, Ryo Takahashi, Tsuyoshi Sekitani, Shigeki Shino, Ute Zschieschang, Hagen Klauk, Makoto Takamiya, Takao Someya, Takayasu Sakurai:
User Customizable Logic Paper (UCLP) With Sea-Of Transmission-Gates (SOTG) of 2-V Organic CMOS and Ink-Jet Printed Interconnects. IEEE J. Solid State Circuits 46(1): 285-292 (2011) - [j20]Lechang Liu, Takayasu Sakurai, Makoto Takamiya:
A Charge-Domain Auto- and Cross-Correlation Based Data Synchronization Scheme With Power- and Area-Efficient PLL for Impulse Radio UWB Receiver. IEEE J. Solid State Circuits 46(6): 1349-1359 (2011) - [j19]Koichi Ishida, Tadashi Yasufuku, Shinji Miyamoto, Hiroto Nakai, Makoto Takamiya, Takayasu Sakurai, Ken Takeuchi:
1.8 V Low-Transient-Energy Adaptive Program-Voltage Generator Based on Boost Converter for 3D-Integrated NAND Flash SSD. IEEE J. Solid State Circuits 46(6): 1478-1487 (2011) - [j18]Mutsuo Daito, Yoshiro Nakata, Satoshi Sasaki, Hiroyuki Gomyo, Hideki Kusamitsu, Yoshio Komoto, Kunihiko Iizuka, Katsuyuki Ikeuchi, Gil-Su Kim, Makoto Takamiya, Takayasu Sakurai:
Capacitively Coupled Non-Contact Probing Circuits for Membrane-Based Wafer-Level Simultaneous Testing. IEEE J. Solid State Circuits 46(10): 2386-2395 (2011) - [j17]Yu Pu, Xin Zhang, Katsuyuki Ikeuchi, Atsushi Muramatsu, Atsushi Kawasumi, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai:
Post-Silicon Clock Deskew Employing Hot-Carrier Injection Trimming With On-Chip Skew Monitoring and Auto-Stressing Scheme for Sub/Near Threshold Digital Circuits. IEEE Trans. Circuits Syst. II Express Briefs 58-II(5): 294-298 (2011) - [c39]Katsuyuki Ikeuchi, Makoto Takamiya, Takayasu Sakurai:
Through Silicon Capacitive Coupling (TSCC) interface for 3D stacked dies. 3DIC 2011: 1-5 - [c38]Xin Zhang, Koichi Ishida, Makoto Takamiya, Takayasu Sakurai:
An on-chip characterizing system for within-die delay variation measurement of individual standard cells in 65-nm CMOS. ASP-DAC 2011: 109-110 - [c37]Po-Hung Chen, Koichi Ishida, Xin Zhang, Yasuyuki Okuma, Yoshikatsu Ryu, Makoto Takamiya, Takayasu Sakurai:
A 80-mV input, fast startup dual-mode boost converter with charge-pumped pulse generator for energy harvesting. A-SSCC 2011: 33-36 - [c36]Hiroshi Fuketa, Satoshi Iida, Tadashi Yasufuku, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai:
A closed-form expression for estimating minimum operating voltage (VDDmin) of CMOS logic gates. DAC 2011: 984-989 - [c35]Atsushi Muramatsu, Tadashi Yasufuku, Masahiro Nomura, Makoto Takamiya, Hirofumi Shinohara, Takayasu Sakurai:
12% Power reduction by within-functional-block fine-grained adaptive dual supply voltage control in logic circuits with 42 voltage domains. ESSCIRC 2011: 191-194 - [c34]Tadashi Yasufuku, Satoshi Iida, Hiroshi Fuketa, Koji Hirairi, Masahiro Nomura, Makoto Takamiya, Takayasu Sakurai:
Investigation of determinant factors of minimum operating voltage of logic gates in 65-nm CMOS. ISLPED 2011: 21-26 - [c33]Hiroshi Fuketa, Koji Hirairi, Tadashi Yasufuku, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai:
12.7-times energy efficiency increase of 16-bit integer unit by power supply voltage (VDD) scaling from 1.2v to 310mv enabled by contention-less flip-flops (CLFF) and separated VDD between flip-flops and combinational logics. ISLPED 2011: 163-168 - [c32]Kentaro Honda, Katsuyuki Ikeuchi, Masahiro Nomura, Makoto Takamiya, Takayasu Sakurai:
Reduction of minimum operating voltage (VDDmin) of CMOS logic circuits with post-fabrication automatically selective charge injection. ISLPED 2011: 175-180 - [c31]Po-Hung Chen, Koichi Ishida, Katsuyuki Ikeuchi, Xin Zhang, Kentaro Honda, Yasuyuki Okuma, Yoshikatsu Ryu, Makoto Takamiya, Takayasu Sakurai:
A 95mV-startup step-up converter with Vth-tuned oscillator by fixed-charge programming and capacitor pass-on scheme. ISSCC 2011: 216-218 - [c30]Koichi Ishida, Tsung-Ching Huang, Kentaro Honda, Tsuyoshi Sekitani, Hiroyoshi Nakajima, Hiroki Maeda, Makoto Takamiya, Takao Someya, Takayasu Sakurai:
100V AC power meter system-on-a-film (SoF) integrating 20V organic CMOS digital and analog circuits with floating gate for process-variation compensation and 100V organic PMOS rectifier. ISSCC 2011: 218-220 - 2010
- [j16]Tadashi Yasufuku, Koichi Ishida, Shinji Miyamoto, Hiroto Nakai, Makoto Takamiya, Takayasu Sakurai, Ken Takeuchi:
Inductor and TSV Design of 20-V Boost Converter for Low Power 3D Solid State Drive with NAND Flash Memories. IEICE Trans. Electron. 93-C(3): 317-323 (2010) - [j15]Tadashi Yasufuku, Taro Niiyama, Piao Zhe, Koichi Ishida, Masami Murakata, Makoto Takamiya, Takayasu Sakurai:
Difficulty of Power Supply Voltage Scaling in Large Scale Subthreshold Logic Circuits. IEICE Trans. Electron. 93-C(3): 332-339 (2010) - [j14]Lechang Liu, Zhiwei Zhou, Takayasu Sakurai, Makoto Takamiya:
A 1.76 mW, 100 Mbps Impulse Radio UWB Receiver with Multiple Sampling Correlators Eliminating Need for Phase Synchronization in 65-nm CMOS. IEICE Trans. Electron. 93-C(6): 796-802 (2010) - [j13]Koichi Ishida, Naoki Masunaga, Zhiwei Zhou, Tadashi Yasufuku, Tsuyoshi Sekitani, Ute Zschieschang, Hagen Klauk, Makoto Takamiya, Takao Someya, Takayasu Sakurai:
Stretchable EMI Measurement Sheet With 8 ˟ 8 Coil Array, 2 V Organic CMOS Decoder, and 0.18 μ m Silicon CMOS LSIs for Electric and Magnetic Field Detection. IEEE J. Solid State Circuits 45(1): 249-259 (2010) - [c29]Koichi Ishida, Koichi Takemura, Kazuhiro Baba, Makoto Takamiya, Takayasu Sakurai:
3D stacked buck converter with 15μm thick spiral inductor on silicon interposer for fine-grain power-supply voltage control in SiP's. 3DIC 2010: 1-4 - [c28]Gil-Su Kim, Katsuyuki Ikeuchi, Mutsuo Daito, Makoto Takamiya, Takayasu Sakurai:
A high-speed, low-power capacitive-coupling transceiver for wireless wafer-level testing systems. 3DIC 2010: 1-4 - [c27]Po-Hung Chen, Koichi Ishida, Xin Zhang, Yasuaki Okuma, Yoshikatsu Ryu, Makoto Takamiya, Takayasu Sakurai:
0.18-V input charge pump with forward body biasing in startup circuit using 65nm CMOS. CICC 2010: 1-4 - [c26]Naoki Masunaga, Koichi Ishida, Makoto Takamiya, Takayasu Sakurai:
EMI Camera LSI (EMcam) with 12 × 4 on-chip loop antenna matrix in 65-nm CMOS to measure EMI noise distribution with 60-µm spatial precision. CICC 2010: 1-4 - [c25]Yasuyuki Okuma, Koichi Ishida, Yoshikatsu Ryu, Xin Zhang, Po-Hung Chen, Kazunori Watanabe, Makoto Takamiya, Takayasu Sakurai:
0.5-V input digital LDO with 98.7% current efficiency and 2.7-µA quiescent current in 65nm CMOS. CICC 2010: 1-4 - [c24]Makoto Takamiya, Koichi Ishida, Tsuyoshi Sekitani, Takao Someya, Takayasu Sakurai:
Design of large area electronics with organic transistors. ICCAD 2010: 500-503 - [c23]Yu Pu, Xin Zhang, Jim Huang, Atsushi Muramatsu, Masahiro Nomura, Koji Hirairi, Hidehiro Takata, Taro Sakurabayashi, Shinji Miyano, Makoto Takamiya, Takayasu Sakurai:
Misleading energy and performance claims in sub/near threshold digital systems. ICCAD 2010: 625-631 - [c22]Koichi Ishida, Naoki Masunaga, Ryo Takahashi, Tsuyoshi Sekitani, Shigeki Shino, Ute Zschieschang, Hagen Klauk, Makoto Takamiya, Takao Someya, Takayasu Sakurai:
User Customizable Logic Paper (UCLP) with organic sea-of-transmission-gates (SOTG) architecture and ink-jet printed interconnects. ISSCC 2010: 138-139 - [c21]Mutsuo Daito, Yoshiro Nakata, Satoshi Sasaki, Hiroyuki Gomyo, Hideki Kusamitsu, Yoshio Komoto, Kunihiko Iizuka, Katsuyuki Ikeuchi, Gil-Su Kim, Makoto Takamiya, Takayasu Sakurai:
Capacitively coupled non-contact probing circuits for membrane-based wafer-level simultaneous testing. ISSCC 2010: 144-145
2000 – 2009
- 2009
- [j12]Yasumi Nakamura, Makoto Takamiya, Takayasu Sakurai:
An On-Chip Noise Canceller with High Voltage Supply Lines for Nanosecond-Range Power Supply Noise. IEICE Trans. Electron. 92-C(4): 468-474 (2009) - [j11]Lechang Liu, Yoshio Miyamoto, Zhiwei Zhou, Kosuke Sakaida, Jisun Ryu, Koichi Ishida, Makoto Takamiya, Takayasu Sakurai:
A 100 Mbps, 4.1 pJ/bit Threshold Detection-Based Impulse Radio UWB Transceiver in 90 nm CMOS. IEICE Trans. Electron. 92-C(6): 769-776 (2009) - [j10]Makoto Takamiya, Takayasu Sakurai:
Low Power VLSI Circuit Design with Fine-Grain Voltage Engineering. Inf. Media Technol. 4(2): 165-176 (2009) - [j9]Makoto Takamiya, Takayasu Sakurai:
Low Power VLSI Circuit Design with Fine-Grain Voltage Engineering. IPSJ Trans. Syst. LSI Des. Methodol. 2: 18-29 (2009) - [j8]Gil-Su Kim, Makoto Takamiya, Takayasu Sakurai:
A 25-mV-Sensitivity 2-Gb/s Optimum-Logic-Threshold Capacitive-Coupling Receiver for Wireless Wafer Probing Systems. IEEE Trans. Circuits Syst. II Express Briefs 56-II(9): 709-713 (2009) - [j7]Lechang Liu, Makoto Takamiya, Tsuyoshi Sekitani, Yoshiaki Noguchi, Shintaro Nakano, Koichiro Zaitsu, Tadahiro Kuroda, Takao Someya, Takayasu Sakurai:
A 107-pJ/bit 100-kb/s 0.18- muhboxm Capacitive-Coupling Transceiver With Data Edge Signaling and DC Power-Free Pulse Detector for Printable Communication Sheet. IEEE Trans. Circuits Syst. I Regul. Pap. 56-I(11): 2511-2518 (2009) - [c20]Gil-Su Kim, Makoto Takamiya, Takayasu Sakurai:
A capacitive coupling interface with high sensitivity for wireless wafer testing. 3DIC 2009: 1-5 - [c19]Tadashi Yasufuku, Koichi Ishida, Shinji Miyamoto, Hiroto Nakai, Makoto Takamiya, Takayasu Sakurai, Ken Takeuchi:
Effect of resistance of TSV's on performance of boost converter for low power 3D SSD with NAND flash memories. 3DIC 2009: 1-4 - [c18]Lechang Liu, Yoshio Miyamoto, Zhiwei Zhou, Kosuke Sakaida, Jisun Ryu, Koichi Ishida, Makoto Takamiya, Takayasu Sakurai:
A 100Mbps, 0.19mW asynchronous threshold detector with DC power-free pulse discrimination for impulse UWB receiver. ASP-DAC 2009: 97-98 - [c17]Katsuyuki Ikeuchi, Kosuke Sakaida, Koichi Ishida, Takayasu Sakurai, Makoto Takamiya:
Switched Resonant Clocking (SRC) scheme enabling dynamic frequency scaling and low-speed test. CICC 2009: 33-36 - [c16]Tadashi Yasufuku, Koichi Ishida, Shinji Miyamoto, Hiroto Nakai, Makoto Takamiya, Takayasu Sakurai, Ken Takeuchi:
Inductor design of 20-V boost converter for low power 3D solid state drive with NAND flash memories. ISLPED 2009: 87-92 - [c15]Koichi Ishida, Tadashi Yasufuku, Shinji Miyamoto, Hiroto Nakai, Makoto Takamiya, Takayasu Sakurai, Ken Takeuchi:
A 1.8V 30nJ adaptive program-voltage (20V) generator for 3D-integrated NAND flash SSD. ISSCC 2009: 238-239 - [c14]Koichi Ishida, Naoki Masunaga, Zhiwei Zhou, Tadashi Yasufuku, Tsuyoshi Sekitani, Ute Zschieschang, Hagen Klauk, Makoto Takamiya, Takao Someya, Takayasu Sakurai:
A stretchable EMI measurement sheet with 8×8 coil array, 2V organic CMOS decoder, and -70dBm EMI detection circuits in 0.18¼m CMOS. ISSCC 2009: 472-473 - 2008
- [j6]David Levacq, Makoto Takamiya, Takayasu Sakurai:
Backgate Bias Accelerator for sub-100 ns Sleep-to-Active Modes Transition Time. IEEE J. Solid State Circuits 43(11): 2390-2395 (2008) - [c13]Gordon Lee, Makoto Takamiya:
Session 3 - Power management. CICC 2008 - [c12]Taro Niiyama, Koichi Ishida, Makoto Takamiya, Takayasu Sakurai:
Expected vectorless Teacher-Student Swap (TSS) test method with dual power supply voltages for 0.3V homogeneous multi-core LSI's. CICC 2008: 137-140 - [c11]Yasumi Nakamura, David Levacq, Limin Xiao, Takuya Minakawa, Taro Niiyama, Makoto Takamiya, Takayasu Sakurai:
1/5 power reduction by global optimization based on fine-grained body biasing. CICC 2008: 547-550 - [c10]Sungdae Choi, Katsuyuki Ikeuchi, Hyunkyung Kim, Kenichi Inagaki, Masami Murakata, Nobuyuki Nishiguchi, Makoto Takamiya, Takayasu Sakurai:
Experimental assessment of logic circuit performance variability with regular fabrics at 90nm technology node. ESSCIRC 2008: 50-53 - [c9]Taro Niiyama, Piao Zhe, Koichi Ishida, Masami Murakata, Makoto Takamiya, Takayasu Sakurai:
Increasing minimum operating voltage (VDDmin) with number of CMOS logic gates and experimental verification with up to 1Mega-stage ring oscillators. ISLPED 2008: 117-122 - [c8]Taro Niiyama, Piao Zhe, Koichi Ishida, Masami Murakata, Makoto Takamiya, Takayasu Sakurai:
Dependence of Minimum Operating Voltage (VDDmin) on Block Size of 90-nm CMOS Ring Oscillators and its Implications in Low Power DFM. ISQED 2008: 133-136 - [c7]Lechang Liu, Makoto Takamiya, Tsuyoshi Sekitani, Yoshiaki Noguchi, Shintaro Nakano, Koichiro Zaitsu, Tadahiro Kuroda, Takao Someya, Takayasu Sakurai:
A 107pJ/b 100kb/s 0.18μm Capacitive-Coupling Transceiver for Printable Communication Sheet. ISSCC 2008: 292-293 - 2007
- [j5]Koichi Ishida, Atit Tamtrakarn, Hiroki Ishikuro, Makoto Takamiya, Takayasu Sakurai:
An Outside-Rail Opamp Design Relaxing Low-Voltage Constraint on Future Scaled Transistors. IEICE Trans. Electron. 90-C(4): 786-792 (2007) - [j4]Makoto Takamiya, Tsuyoshi Sekitani, Yusaku Kato, Hiroshi Kawaguchi, Takao Someya, Takayasu Sakurai:
An Organic FET SRAM With Back Gate to Increase Static Noise Margin and Its Application to Braille Sheet Display. IEEE J. Solid State Circuits 42(1): 93-100 (2007) - [j3]Kohei Onizuka, Kenichi Inagaki, Hiroshi Kawaguchi, Makoto Takamiya, Takayasu Sakurai:
Stacked-Chip Implementation of On-Chip Buck Converter for Distributed Power Supply System in SiPs. IEEE J. Solid State Circuits 42(11): 2404-2410 (2007) - [c6]David Levacq, Takuya Minakawa, Makoto Takamiya, Takayasu Sakurai:
A Wide Range Spatial Frequency Analysis of Intra-Die Variations with 4-mm 4000 × 1 Transistor Arrays in 90nm CMOS. CICC 2007: 257-260 - [c5]David Levacq, Muhammad Yazid, Hiroshi Kawaguchi, Makoto Takamiya, Takayasu Sakurai:
Half VDD Clock-Swing Flip-Flop with Reduced Contention for up to 60% Power Saving in Clock Distribution. ESSCIRC 2007: 190-193 - [c4]Makoto Takamiya, Tsuyoshi Sekitani, Yoshio Miyamoto, Yoshiaki Noguchi, Hiroshi Kawaguchi, Takao Someya, Takayasu Sakurai:
Design Solutions for a Multi-Object Wireless Power Transmission Sheet Based on Plastic Switches. ISSCC 2007: 362-609 - 2006
- [j2]Kohei Onizuka, Hiroshi Kawaguchi, Makoto Takamiya, Takayasu Sakurai:
$V_rm DD$-Hopping Accelerators for On-Chip Power Supply Circuit to Achieve Nanosecond-Order Transient Time. IEEE J. Solid State Circuits 41(11): 2382-2389 (2006) - [c3]Kohei Onizuka, Hiroshi Kawaguchi, Makoto Takamiya, Tadahiro Kuroda, Takayasu Sakurai:
Chip-to-Chip Inductive Wireless Power Transmission System for SiP Applications. CICC 2006: 575-578 - [c2]Makoto Takamiya, Tsuyoshi Sekitani, Yusaku Kato, Hiroshi Kawaguchi, Teruki Someya, Takayasu Sakurai:
An Organic FET SRAM for Braille Sheet Display with Back Gate to Increase Static Noise Margin. ISSCC 2006: 1060-1069 - 2005
- [j1]Makoto Takamiya, Masayuki Mizuno:
A 6.7-fF/μm2 bias-independent gate capacitor (BIGCAP) with digital CMOS process and its application to the loop filter of a differential PLL. IEEE J. Solid State Circuits 40(3): 719-725 (2005) - 2000
- [c1]Takashi Inukai, Makoto Takamiya, Kouichi Nose, Hiroshi Kawaguchi, Toshiro Hiramoto, Takayasu Sakurai:
Boosted gate MOS (BGMOS): device/circuit cooperation scheme to achieve leakage-free giga-scale integration. CICC 2000: 409-412
Coauthor Index
[j68] [j59] [j58] [j55] [j53] [j52] [c80] [c79] [c78] [c77] [j51] [j50] [c76] [j49] [j48] [j46] [c73] [c72] [j45] [c70] [c68] [j43] [c67] [c66] [c65] [c64] [j42] [j41] [j40] [j39] [c61] [c60] [c59] [c58] [j38] [j37] [j36] [c57] [c56] [c55] [c53] [c52] [c51] [c50] [c49] [j35] [j34] [j33] [j32] [j31] [j30] [j29] [j28] [c48] [c47] [c46] [c45] [c44] [c43] [c42] [c41] [c40] [j27] [j26] [j25] [j24] [j23] [j22] [j21] [j20] [j19] [j18] [j17] [c39] [c38] [c37] [c36] [c35] [c34] [c33] [c32] [c31] [c30] [j16] [j15] [j14] [j13] [c29] [c28] [c27] [c26] [c25] [c24] [c23] [c22] [c21] [j12] [j11] [j10] [j9] [j8] [j7] [c20] [c19] [c18] [c17] [c16] [c15] [c14] [j6] [c12] [c11] [c10] [c9] [c8] [c7] [j5] [j4] [j3] [c6] [c5] [c4] [j2] [c3] [c2] [c1]
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