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2020 – today
- 2024
[j37]Ruilin Zhang
, Haochen Zhang, Xingyu Wang, Ziyang Ye, Kunyang Liu, Shinichi Nishizawa, Kiichi Niitsu, Hirofumi Shinohara:
De-Correlation and De-Bias Post-Processing Circuits for True Random Number Generator. IEEE Trans. Circuits Syst. I Regul. Pap. 71(11): 5187-5199 (2024)- [c81]Kiichi Niitsu, Koki Fukushima, Yuichi Hiraoka, Hidenori Urawa, Yutaka Ozawa, Yuya Osaki, Masaya Kaneko, Jin Nakamura, Hideo Yoshikawa:
A 65-nm CMOS Millimeter-Wave Ear-Worn Non-Invasive Continuous Glucose Monitoring Chipset Using a 0.17mm2 72mW Transmitter and a 0.75mm2 80mW Direct-Conversion Receiver. LASCAS 2024: 1-5 - [c80]Hiroaki Kitaike, Hironori Tagawa, Masaya Kaneko, Jin Nakamura, Shufan Xu, Ruilin Zhang, Kunyang Liu, Hiroki Wakatsuchi, Kyoya Takano, Hirofumi Shinohara, Kiichi Niitsu:
A 0.00027 mm2 1.2V 0.089pJ/bit 10Gbps 41.6 GHz Standard-Cell-Based Passive-Less Wireless OOK Transmitter with On-Chip Antenna in 12nm FinFET. NorCAS 2024: 1-6 - [c79]You Wu, Kei Awano, Kento Okamura, Teruaki Ono, Kohei Sakamoto, Hiroaki Kitaike, Hironori Tagawa, Jin Nakamura, Masaya Kaneko, Yuta Kimura, Hiroaki Nakamura, Shufan Xu, Ruilin Zhang, Kunyang Liu, Hirofumi Shinohara, Kiichi Niitsu:
A 2 Hz, 1.2-2 V, 0.22-9 nW, 0.007 mm2 65 nm CMOS Multiple- Output Down-Converter-Less Clock Generator Using Stacked an Oscillator and Frequency Dividers for Scaling-Friendly IoTs. NorCAS 2024: 1-6 - [c78]Hiroaki Kitaike, Masaharu Inada, Mitsuru Terauchi, Hironori Tagawa, Ryosuke Nagai, Shufan Xu, Ruilin Zhang, Kunyang Liu, Kiichi Niitsu:
A 0.9-2.6pW 0.1-0.25V 22nm 2-bit Supply-to-Digital Converter Using Always-Activated Supply-Controlled Oscillator and Supply-Dependent-Activation Buffers for Bio-Fuel-Cell-Powered-and-Sensed Time-Stamped Bio-Recording. VLSI Technology and Circuits 2024: 1-2 - 2023
- [c77]Akiyoshi Tanaka, Guowei Chen, Kiichi Niitsu:
A 0.063-mm2 1.75-nW Biofuel Cell-Input Biosensing/Data-Storing System with 5.5-GHz Wireless Backscatter Data-Readout in 65-nm CMOS for Self-Powered Smart Contact Lenses. BioCAS 2023: 1-5 - [c76]Guowei Chen, Akiyoshi Tanaka, Kiichi Niitsu:
A Battery-Less 0.37 V 126 nW 0.29 mm2 65-nm CMOS Biofuel-Cell-Modulated Biosensing System Featuring an FSK-PIM-Combined 2.4 GHz Transmitter for Continuous Glucose Monitoring Contact Lenses. ISCAS 2023: 1-5 - 2022
- [j36]Guowei Chen, Kiichi Niitsu:
A Solar-Cell-Assisted, 99% Biofuel Cell Area Reduced, Biofuel-Cell-Powered Wireless Biosensing System in 65nm CMOS for Continuous Glucose Monitoring Contact Lenses. IEICE Trans. Electron. 105-C(7): 343-348 (2022) - [j35]Guowei Chen, Xujiaming Chen, Kiichi Niitsu:
Design and Experimental Verification of a 2.1nW 0.018mm2 Slope ADC-Based Supply Voltage Monitor for Biofuel-Cell-Powered Supply-Sensing Systems in 180-nm CMOS. IEICE Trans. Electron. 105-C(10): 565-570 (2022) - [j34]Akiyoshi Tanaka, Guowei Chen, Kiichi Niitsu:
A 4.5-mW 22-nm CMOS Label-Free Frequency-Shift 3 × 3 × 2 3-D Biosensor Array Using Vertically Stacked 60-GHz LC Oscillators. IEEE Trans. Circuits Syst. II Express Briefs 69(10): 4078-4082 (2022) - [c75]Guowei Chen, Xinyang Yu, Yue Wang, Tran Minh Quan, Naofumi Matsuyama, Takuya Tsujimura, Kiichi Niitsu:
A 0.5 mm2 Ambient Light-Driven Solar Cell-Powered Biofuel Cell-Input Biosensing System with LED Driving for Stand-Alone RF-Less Continuous Glucose Monitoring Contact Lens. ASP-DAC 2022: 1-2 - [c74]Xujiaming Chen, Guowei Chen, Xinyang Yu, Yue Wang, Kiichi Niitsu:
A 52.3% Peak Efficiency 22nm CMOS Low-Power Light-Adaptive Self-Oscillating Voltage Doubler Using Scalable Dynamic Leakage-Suppression Logic. LASCAS 2022: 1-4 - [c73]Duong Nghiep Huy, Guowei Chen, Kiichi Niitsu:
22nm CMOS pW Standby Power Flip-Flops with/without Security using Dynamic Leakage Suppression Logic. LASCAS 2022: 1-4 - [c72]Sora Kato, Guowei Chen, Kiichi Niitsu:
An Ultra-Low Power 22 nm Self-Oscillating Voltage Doubler With Dynamic Leakage-Suppression Logic. LASCAS 2022: 1-3 - [c71]Shinichi Ito, Akiyoshi Tanaka, Guowei Chen, Xujiaming Chen, Kiichi Niitsu:
A 0.00023 mm² 1.2V 0.48mW 18GHz Passive-Less Digital Wireless Transmitter with On-Chip Antenna in 22nm Bulk CMOS. MWSCAS 2022: 1-2 - [c70]Akiyoshi Tanaka, Guowei Chen, Kiichi Niitsu:
A 4.8-mW Label-free Frequency-shift 3×3×2 3D Biosensor Array with Vertically-stacked 60-GHz LC Oscillators in 22-nm CMOS. MWSCAS 2022: 1-2 - 2021
- [c69]Yue Wang, Guowei Chen, Xinyang Yu, Xujiaming Chen, Kiichi Niitsu:
A 22nm CMOS 0.2V 13.3nW 16T SRAM Using Dynamic Leakage Suppression and Half-Selected Free Technique. APCCAS 2021: 29-32 - [c68]Guowei Chen, Xinyang Yu, Yue Wang, Tran Minh Quan, Naofumi Matsuyama, Takuya Tsujimura, Md. Zahidul Islam, Kiichi Niitsu:
A 0.5 mm2 0.31 V/0.39 V 28 nW/144 nW 65 nm CMOS Solar Cell-Powered Biofuel Cell-Input Biosensing System with PIM/PDM LED Driving for Stand-Alone RF-Less Continuous Glucose Monitoring Contact Lens. ESSCIRC 2021: 171-174 - [c67]Guowei Chen, Xinyang Yu, Yue Wang, Tran Minh Quan, Naofumi Matsuyama, Takuya Tsujimura, Md. Zahidul Islam, Kiichi Niitsu:
A 0.5 mm2 0.31 V/0.39 V 28 nW/144 nW 65 nm CMOS Solar Cell-Powered Biofuel Cell-Input Biosensing System with PIM/PDM LED Driving for Stand-Alone RF-Less Continuous Glucose Monitoring Contact Lens. ESSDERC 2021: 171-174 - [c66]Akiyoshi Tanaka, Guowei Chen, Kiichi Niitsu:
A 4.8mW 22nm CMOS Fully-Integrated 60-GHz $3\times 3\times 2$ 3D Frequency-Shift Biosensor Array Using Vertically-Stacked LC Oscillators. ICECS 2021: 1-4 - [c65]Akiyoshi Tanaka, Guowei Chen, Sitong Ye, Kiichi Niitsu:
A 0.2V 0.97nW 0.011mm2 Fully-Passive mHBC Tag Using Intermediate Interference Modulation in 65nm CMOS. ICECS 2021: 1-5 - 2020
- [j33]Atsuki Kobayashi, Kiichi Niitsu:
Low-Voltage Gate-Leakage-Based Timer Using an Amplifier-Less Replica-Bias Switching Technique in 55-nm DDC CMOS. IEEE Open J. Circuits Syst. 1: 107-114 (2020) - [c64]Guowei Chen, Cong Dang Bui, Xinyang Yu, Md. Zahidul Islam, Atsuki Kobayashi, Kiichi Niitsu:
A 72-nW 440-mV Time Register Using Stacked-NMOS-Switched Gated Delay Cell in Biomedical Applications. APCCAS 2020: 220-223 - [c63]Shunya Murakami, Takuya Tsujimura, Guowei Chen, Md. Zahidul Islam, Kiichi Niitsu:
Widely Tunable CMOS-Based Biosensor With an Active-Inductor-Based VCO for Detecting CTCs and Exosomes. ICECS 2020: 1-2 - [c62]Takuya Tsujimura, Shunya Murakami, Guowei Chen, Kiichi Niitsu:
Design of 33 GHz 65-nm-CMOS Small-Formfactor Direct-Conversion Receiver for Non-Invasive Continuous Glucose Monitoring. ICECS 2020: 1-2 - [c61]Kosuke Uchiyama, Guowei Chen, Kiichi Niitsu:
Design of Fully-Integrated Self-Powered FM Transmitter Using On-Chip Photodiodes in 65-nm CMOS. ICECS 2020: 1-2 - [c60]Sitong Ye, Atsuki Kobayashi, Guowei Chen, Kiichi Niitsu:
Simulation Study of Full Passive Magnetic Human Body Communication in 65-nm CMOS Technology for Temperature Sensing Application. ICECS 2020: 1-2
2010 – 2019
- 2019
- [j32]Kiichi Niitsu, Osamu Kobayashi, Takahiro J. Yamaguchi, Haruo Kobayashi:
Design and theoretical analysis of a clock jitter reduction circuit using gated phase blending between self-delayed clock edges. IEICE Electron. Express 16(13): 20190218 (2019) - [j31]Yuya Nishio, Atsuki Kobayashi, Kiichi Niitsu:
Design and Calibration of a Small-Footprint, Low-Frequency, and Low-Power Gate Leakage Timer Using Differential Leakage Technique. IEICE Trans. Electron. 102-C(4): 269-275 (2019) - [j30]Kenya Hayashi, Shigeki Arata, Ge Xu, Shunya Murakami, Cong Dang Bui, Atsuki Kobayashi, Kiichi Niitsu:
An FSK Inductive-Coupling Transceiver Using 60mV 0.64fJ/bit 0.0016mm2 Load-Modulated Transmitter and LC-Oscillator-Based Receiver in 65nm CMOS for Energy-Budget-Unbalanced Application. IEICE Trans. Electron. 102-C(7): 585-589 (2019) - [j29]Kenya Hayashi, Shigeki Arata, Ge Xu, Shunya Murakami, Cong Dang Bui, Atsuki Kobayashi, Kiichi Niitsu:
A 385×385μm2 0.165V 0.27nW Fully-Integrated Supply-Modulated OOK Transmitter in 65nm CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens. IEICE Trans. Electron. 102-C(7): 590-594 (2019) - [j28]Kiichi Niitsu, Taiki Nakanishi, Shunya Murakami, Maya Matsunaga, Atsuki Kobayashi, Karim Nissar Mohammad, Jun Ito, Naoya Ozawa, Tetsunari Hase, Hiromasa Tanaka, Mitsuo Sato, Hiroki Kondo, Kenji Ishikawa, Hidefumi Odaka, Yoshinori Hasegawa, Masaru Hori, Kazuo Nakazato:
A 65-nm CMOS Fully Integrated Analysis Platform Using an On-Chip Vector Network Analyzer and a Transmission-Line-Based Detection Window for Analyzing Circulating Tumor Cell and Exosome. IEEE Trans. Biomed. Circuits Syst. 13(2): 470-479 (2019) - [j27]Atsuki Kobayashi, Kenya Hayashi, Shigeki Arata, Shunya Murakami, Ge Xu, Kiichi Niitsu:
Design of a Self-Controlled Dual-Oscillator-Based Supply Voltage Monitor for Biofuel-Cell-Combined Biosensing Systems in 65-nm CMOS and 55-nm DDC CMOS. IEEE Trans. Biomed. Circuits Syst. 13(6): 1152-1162 (2019) - [c59]Tran Minh Quan, Takuyoshi Doike, Cong Dang Bui, Kenya Hayashi, Shigeki Arata, Atsuki Kobayashi, Md. Zahidul Islam, Kiichi Niitsu:
AI-Based Edge-Intelligent Hypoglycemia Prediction System Using Alternate Learning and Inference Method for Blood Glucose Level Data with Low-periodicity. AICAS 2019: 201-206 - [c58]Shunya Murakami, Taiki Nakanishi, Atsuki Kobayashi, Md. Zahidul Islam, Kiichi Niitsu:
LC-Voltage-Controlled-Oscillator-Based Biosensor in 180-nm CMOS Process Targeting β-Dispersion for Detecting Exosomes. APCCAS 2019: 101-104 - [c57]Maya Matsunaga, Taiki Nakanishi, Atsuki Kobayashi, Kiichi Niitsu:
A three-dimensional millimeter-wave frequency-shift based CMOS biosensor using vertically stacked spiral inductors in LC oscillators. ASP-DAC 2019: 3-4 - [c56]Kenya Hayashi, Shigeki Arata, Ge Xu, Shunya Murakami, Cong Dang Bui, Takuyoshi Doike, Maya Matsunaga, Atsuki Kobayashi, Kiichi Niitsu:
Design of 385 x 385 μm2 0.165V 270pW fully-integrated supply-modulated OOK transmitter in 65nm CMOS for glasses-free, self-powered, and fuel-cell-embedded continuous glucose monitoring contact lens. ASP-DAC 2019: 5-6 - [c55]Kiichi Niitsu, Taichi Sakabe, Mariko Miyachi, Yoshinori Yamanoi, Hiroshi Nishihara, Tatsuya Tomo, Kazuo Nakazato:
2D optical imaging using photosystem I photosensor platform with 32x32 CMOS biosensor array. ASP-DAC 2019: 7-8 - [c54]Atsuki Kobayashi, Yuya Nishio, Kenya Hayashi, Shigeki Arata, Kiichi Niitsu:
Design of gate-leakage-based timer using an amplifier-less replica-bias switching technique in 55-nm DDC CMOS. ASP-DAC 2019: 9-10 - [c53]Kiichi Niitsu, Yuuki Yamaji, Atsuki Kobayashi, Kazuo Nakazato:
A low-voltage CMOS electrophoresis IC using electroless gold plating for small-form-factor biomolecule manipulation. ASP-DAC 2019: 11-12 - [c52]Taiki Nakanishi, Maya Matsunaga, Shunya Murakami, Atsuki Kobayashi, Kiichi Niitsu:
A 65-nm CMOS fully-integrated circulating tumor cell and exosome analyzer using an on-chip vector network analyzer and a transmission-line-based detection window. ASP-DAC 2019: 19-20 - [c51]Atsuki Kobayashi, Kenya Hayashi, Shigeki Arata, Shunya Murakami, Ge Xu, Md. Zahidul Islam, Kiichi Niitsu:
A 2.1-nW Burst-Pulse-Counting Supply Voltage Monitor for Biofuel-Cell-Combined Biosensing Systems in 180-nm CMOS. BioCAS 2019: 1-4 - [c50]Atsuki Kobayashi, Kenya Hayashi, Shigeki Arata, Shunya Murakami, Cong Dang Bui, Tran Minh Quan, Md. Zahidul Islam, Kiichi Niitsu:
A Solar-Cell-Assisted, 99.66% Biofuel Cell Area Reduced, Biofuel-Cell-Powered Wireless Biosensing System in 65-nm CMOS for Continuous Glucose Monitoring Contact Lenses. ICECS 2019: 61-64 - [c49]Shunya Murakami, Taiki Nakanishi, Atsuki Kobayashi, Md. Zahidul Islam, Kiichi Niitsu:
Verification of Inductive-Coupling-Based CMOS Biosensor Focusing on Dielectric Loss of β-Dispersion for Detecting Exosomes Through Electromagnetic Simulation. ICECS 2019: 119-120 - [c48]Atsuki Kobayashi, Kenya Hayashi, Shigeki Arata, Shunya Murakami, Ge Xu, Kiichi Niitsu:
A 65-nm CMOS 1.4-nW Self-Controlled Dual-Oscillator-Based Supply Voltage Monitor for Biofuel-Cell-Combined Biosensing Systems. ISCAS 2019: 1-5 - [c47]Taiki Nakanishi, Shunya Murakami, Atsuki Kobayashi, Md. Zahidul Islam, Kiichi Niitsu:
A 40-GHz Fully-Integrated CMOS-Based Biosensor Circuit with an On-Chip Vector Network Analyzer for Circulating Tumor Cells Analysis. NORCAS 2019: 1-7 - 2018
- [j26]Kiichi Niitsu, Atsuki Kobayashi, Yuya Nishio, Kenya Hayashi, Kei Ikeda, Takashi Ando, Yudai Ogawa, Hiroyuki Kai, Matsuhiko Nishizawa, Kazuo Nakazato:
A Self-Powered Supply-Sensing Biosensor Platform Using Bio Fuel Cell and Low-Voltage, Low-Cost CMOS Supply-Controlled Ring Oscillator With Inductive-Coupling Transmitter for Healthcare IoT. IEEE Trans. Circuits Syst. I Regul. Pap. 65-I(9): 2784-2796 (2018) - [j25]Kenya Hayashi, Shigeki Arata, Shunya Murakami, Yuya Nishio, Atsuki Kobayashi, Kiichi Niitsu:
A 6.1-nA Fully Integrated CMOS Supply Modulated OOK Transmitter in 55-nm DDC CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens. IEEE Trans. Circuits Syst. II Express Briefs 65-II(10): 1360-1364 (2018) - [c46]Yuya Nishio, Atsuki Kobayashi, Kiichi Niitsu:
A Constant-Power Inductive-Coupling Transmitter Using Auxiliary Driving Technique in 65nm SOTB CMOS for Low-Power Supply-Sensing Biosensing Platform toward Healthcare IoTs. APCCAS 2018: 65-68 - [c45]Ge Xu, Kenya Hayashi, Shigeki Arata, Shunya Murakami, Cong Dang Bui, Atsuki Kobayashi, Kiichi Niitsu:
A BER-Modulated Inductive-Coupling Transceiver Using Dynamic Intermediate Interference Control Technique for Low-Power Communication. APCCAS 2018: 69-73 - [c44]Kenya Hayashi, Shigeki Arata, Ge Xu, Shunya Murakami, Cong Dang Bui, Takuyoshi Doike, Maya Matsunaga, Atsuki Kobayashi, Kiichi Niitsu:
A 385μm × 385μm 0.165 V 0.27 nW Fully-Integrated Supply-Modulated OOK CMOS TX in 65nm CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens. BioCAS 2018: 1-4 - [c43]Kenya Hayashi, Shigeki Arata, Ge Xu, Shunya Murakami, Cong Dang Bui, Atsuki Kobayashi, Kiichi Niitsu:
Live Demonstration: 385 × 385 μm2 0.165V 270pW Fully-Integrated Supply-Modulated OOK Tx in 65nm CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens. BioCAS 2018: 1 - [c42]Atsuki Kobayashi, Yuya Nishio, Kenya Hayashi, Kazuo Nakazato, Kiichi Niitsu:
A 350-mV, under-200-ppm allan deviation floor gate-leakage-based timer using an amplifier-less replica-bias switching technique in 55-nm DDC CMOS. CICC 2018: 1-4 - [c41]Kiichi Niitsu, Taichi Sakabe, Mariko Miyachi, Yoshinori Yamanoi, Hiroshi Nishihara, Tatsuya Tomo, Kazuo Nakazato:
Demonstration of 2D Optical Imaging Using Photosystem I Photosensor Platform with 3232 CMOS Biosensor Array. NEWCAS 2018: 104-108 - [c40]Takuyoshi Doike, Kenya Hayashi, Shigeki Arata, Karim Nissar Mohammad, Atsuki Kobayashi, Kiichi Niitsu:
A Blood Glucose Level Prediction System Using Machine Learning Based on Recurrent Neural Network for Hypoglycemia Prevention. NEWCAS 2018: 291-295 - 2017
- [j24]Yuuki Yamaji, Kazuo Nakazato, Kiichi Niitsu:
Sub-1-V CMOS-Based Electrophoresis Using Electroless Gold Plating for Small-Form-Factor Biomolecule Manipulation. IEICE Trans. Electron. 100-C(6): 592-596 (2017) - [j23]Kei Ikeda, Atsuki Kobayashi, Kazuo Nakazato, Kiichi Niitsu:
Design and Analysis of Scalability in Current-Mode Analog-to-Time Converter for an Energy-Efficient and High-Resolution CMOS Biosensor Array. IEICE Trans. Electron. 100-C(6): 597-601 (2017) - [j22]Kohei Gamo, Kazuo Nakazato, Kiichi Niitsu:
A Current-Integration-Based CMOS Amperometric Sensor with 1024 × 1024 Bacteria-Sized Microelectrode Array for High-Sensitivity Bacteria Counting. IEICE Trans. Electron. 100-C(6): 602-606 (2017) - [j21]Atsuki Kobayashi, Kei Ikeda, Yudai Ogawa, Hiroyuki Kai, Matsuhiko Nishizawa, Kazuo Nakazato, Kiichi Niitsu:
Design and Experimental Verification of a 0.19 V 53 μW 65 nm CMOS Integrated Supply-Sensing Sensor With a Supply-Insensitive Temperature Sensor and an Inductive-Coupling Transmitter for a Self-Powered Bio-sensing System Using a Biofuel Cell. IEEE Trans. Biomed. Circuits Syst. 11(6): 1313-1323 (2017) - [c39]Kei Ikeda, Atsuki Kobayashi, Kazuo Nakazato, Kiichi Niitsu:
A scalable time-domain biosensor array using logarithmic cyclic time-attenuation-based TDC for high-resolution and large-scale bio-imaging. ASP-DAC 2017: 11-12 - [c38]Kohei Gamo, Kazuo Nakazato, Kiichi Niitsu:
A current-integration-based CMOS amperometric sensor with 1.2 μm × 2.05 μm electroless-plated microelectrode array for high-sensitivity bacteria counting. ASP-DAC 2017: 19-20 - [c37]Atsuki Kobayashi, Kei Ikeda, Yudai Ogawa, Matsuhiko Nishizawa, Kazuo Nakazato, Kiichi Niitsu:
Design of an energy-autonomous bio-sensing system using a biofuel cell and 0.19V 53μW integrated supply-sensing sensor with a supply-insensitive temperature sensor and inductive-coupling transmitter. ASP-DAC 2017: 25-26 - [c36]Taiki Nakanishi, Maya Matsunaga, Atsuki Kobayashi, Kazuo Nakazato, Kiichi Niitsu:
A fully-integrated circulating tumor cell analyzer using an on-chip vector network analyzer and a transmission-line-based detection window in 65-nm CMOS. BioCAS 2017: 1-4 - [c35]Eizo Ushijima, Satoshi Fujimoto, Kiichi Niitsu, Kazuo Nakazato:
Application of magnetic arrangement of microbeads for CMOS biosensor array sensitivity. BioCAS 2017: 1-4 - [c34]Yuya Nishio, Atsuki Kobayashi, Kiichi Niitsu:
A 28μm2, 0.11Hz, 4.5pW gate leakage timer using differential leakage technique in 55nm DDC CMOS for small-footprint, low-frequency and low-power timing generation. ICECS 2017: 368-371 - [c33]Kei Ikeda, Atsuki Kobayashi, Kiichi Niitsu:
A scalable time-domain biosensor array using a capacitor-less CMATC and logarithmic cyclic time-attenuation-based TDC with discharge acceleration for high-spatial-resolution bio-imaging. ICECS 2017: 406-409 - [c32]Maya Matsunaga, Taiki Nakanishi, Atsuki Kobayashi, Kazuo Nakazato, Kiichi Niitsu:
Three-dimensional millimeter-wave frequency-shift-based CMOS biosensor using vertically stacked LC oscillators. NORCAS 2017: 1-6 - 2016
- [j20]Kiichi Niitsu, Tsuyoshi Kuno, Masayuki Takihi, Kazuo Nakazato:
Well-Shaped Microelectrode Array Structure for High-Density CMOS Amperometric Electrochemical Sensor Array. IEICE Trans. Electron. 99-C(6): 663-666 (2016) - [c31]Kiichi Niitsu, Atsuki Kobayashi, Yudai Ogawa, Matsuhiko Nishizawa, Kazuo Nakazato:
Design of an energy-autonomous, disposable, supply-sensing biosensor using bio fuel cell and 0.23-V 0.25-µm zero-Vth all-digital CMOS supply-controlled ring oscillator with inductive transmitter. ASP-DAC 2016: 23-24 - [c30]Kei Ikeda, Atsuki Kobayashi, Kazuo Nakazato, Kiichi Niitsu:
Live demonstration: Current-mode analog-to-time converter for a large scale CMOS biosensor array. BioCAS 2016: 131 - [c29]Kohei Gamo, Kazuo Nakazato, Kiichi Niitsu:
Live demonstration: Noise-immune current-integration-based CMOS amperometric sensor platform with 1.2 μm × 2.05μm electroless-plated microelectrode array for robust bacteria counting. BioCAS 2016: 132 - [c28]Atsuki Kobayashi, Kei Ikeda, Yudai Ogawa, Matsuhiko Nishizawa, Kazuo Nakazato, Kiichi Niitsu:
An energy-autonomous bio-sensing system using a biofuel cell and 0.19V 53μW 65nm-CMOS integrated supply-sensing sensor with a supply-insensitive temperature sensor and inductive-coupling transmitter. BioCAS 2016: 148-151 - [c27]Kei Ikeda, Atsuki Kobayashi, Kazuo Nakazato, Kiichi Niitsu:
A current-mode analog-to-time converter with short-pulse output capability using local intra-cell activation for high-speed time-domain biosensor array. NORCAS 2016: 1-6 - 2015
- [j19]Kiichi Niitsu, Shoko Ota, Kohei Gamo, Hiroki Kondo, Masaru Hori, Kazuo Nakazato:
Development of Microelectrode Arrays Using Electroless Plating for CMOS-Based Direct Counting of Bacterial and HeLa Cells. IEEE Trans. Biomed. Circuits Syst. 9(5): 607-619 (2015) - [j18]Kiichi Niitsu, Yusuke Osawa, Naohiro Harigai, Daiki Hirabayashi, Osamu Kobayashi, Takahiro J. Yamaguchi, Haruo Kobayashi:
A CMOS PWM Transceiver Using Self-Referenced Edge Detection. IEEE Trans. Very Large Scale Integr. Syst. 23(6): 1145-1149 (2015) - [c26]Miho Arai, Isao Shimizu, Haruo Kobayashi, Keita Kurihara, Shu Sasaki, Shohei Shibuya, Kiichi Niitsu, Kazuyoshi Kubo:
Finite aperture time effects in sampling circuit. ASICON 2015: 1-4 - [c25]Kohei Gamo, Kiichi Niitsu, Kazuo Nakazato:
Noise-immune current-integration-based CMOS amperometric sensor platform with 1.2 μm × 2.05 μm electroless-plated microelectrode array for robust bacteria counting. BioCAS 2015: 1-4 - [c24]Kiichi Niitsu, Atsuki Kobayashi, Yudai Ogawa, Matsuhiko Nishizawa, Kazuo Nakazato:
An energy-autonomous, disposable, big-data-based supply-sensing biosensor using bio fuel cell and 0.23-V 0.25-μm Zero-Vth all-digital CMOS supply-controlled ring oscillator with inductive transmitter. BioCAS 2015: 1-4 - 2014
- [j17]Kiichi Niitsu, Naohiro Harigai, Takahiro J. Yamaguchi, Haruo Kobayashi:
A low-offset cascaded time amplifier with reconfigurable inter-stage connection. IEICE Electron. Express 11(10): 20140203 (2014) - [c23]Shoko Ota, Kiichi Niitsu, Hiroki Kondo, Masaru Hori, Kazuo Nakazato:
Live demonstration: A CMOS sensor platform with 1.2 µm × 2.05 µm electroless-plated 1024 × 1024 microelectrode array for high-sensitivity rapid direct bacteria counting. BioCAS 2014: 185 - [c22]Hayato Komori, Kiichi Niitsu, Junko Tanaka, Yu Ishige, Masao Kamahori, Kazuo Nakazato:
Live demonstration: An extended-gate CMOS sensor array with enzyme-immobilized microbeads for redox-potential glucose detection. BioCAS 2014: 191 - [c21]Shoko Ota, Kiichi Niitsu, Hiroki Kondo, Masaru Hori, Kazuo Nakazato:
A CMOS sensor platform with 1.2 µm × 2.05 µm electroless-plated 1024 × 1024 microelectrode array for high-sensitivity rapid direct bacteria counting. BioCAS 2014: 460-463 - [c20]Hayato Komori, Kiichi Niitsu, Junko Tanaka, Yu Ishige, Masao Kamahori, Kazuo Nakazato:
An extended-gate CMOS sensor array with enzyme-immobilized microbeads for redox-potential glucose detection. BioCAS 2014: 464-467 - [c19]Masayuki Takihi, Kiichi Niitsu, Kazuo Nakazato:
Charge-conserved analog-to-time converter for a large-scale CMOS biosensor array. ISCAS 2014: 33-36 - 2013
- [j16]Satoshi Uemori, Masamichi Ishii, Haruo Kobayashi, Daiki Hirabayashi, Yuta Arakawa, Yuta Doi, Osamu Kobayashi, Tatsuji Matsuura, Kiichi Niitsu, Yuji Yano, Tatsuhiro Gake, Takahiro J. Yamaguchi, Nobukazu Takai:
Multi-bit Sigma-Delta TDC Architecture with Improved Linearity. J. Electron. Test. 29(6): 879-892 (2013) - [j15]Kiichi Niitsu, Naohiro Harigai, Haruo Kobayashi:
Design methodology for determining the number of stages in a cascaded time amplifier to minimize area consumption. IEICE Electron. Express 10(11): 20130289 (2013) - [j14]Keisuke Kato, Fumitaka Abe, Kazuyuki Wakabayashi, Chuan Gao, Takafumi Yamada, Haruo Kobayashi, Osamu Kobayashi, Kiichi Niitsu:
Two-Tone Signal Generation for ADC Testing. IEICE Trans. Electron. 96-C(6): 850-858 (2013) - [j13]Kiichi Niitsu, Naohiro Harigai, Takahiro J. Yamaguchi, Haruo Kobayashi:
A Feed-Forward Time Amplifier Using a Phase Detector and Variable Delay Lines. IEICE Trans. Electron. 96-C(6): 920-922 (2013) - [c18]Kiichi Niitsu, Naohiro Harigai, Daiki Hirabayashi, Daiki Oki, Masato Sakurai, Osamu Kobayashi, Takahiro J. Yamaguchi, Haruo Kobayashi:
Design of a clock jitter reduction circuit using gated phase blending between self-delayed clock edges. ASP-DAC 2013: 103-104 - 2012
- [j12]Kazuyuki Wakabayashi, Keisuke Kato, Takafumi Yamada, Osamu Kobayashi, Haruo Kobayashi, Fumitaka Abe, Kiichi Niitsu:
Low-Distortion Sinewave Generation Method Using Arbitrary Waveform Generator. J. Electron. Test. 28(5): 641-651 (2012) - [j11]Kiichi Niitsu, Masato Sakurai, Naohiro Harigai, Takahiro J. Yamaguchi, Haruo Kobayashi:
CMOS Circuits to Measure Timing Jitter Using a Self-Referenced Clock and a Cascaded Time Difference Amplifier With Duty-Cycle Compensation. IEEE J. Solid State Circuits 47(11): 2701-2710 (2012) - [j10]Kiichi Niitsu, Shusuke Kawai, Noriyuki Miura, Hiroki Ishikuro, Tadahiro Kuroda:
A 65fJ/b Inter-Chip Inductive-Coupling Data Transceivers Using Charge-Recycling Technique for Low-Power Inter-Chip Communication in 3-D System Integration. IEEE Trans. Very Large Scale Integr. Syst. 20(7): 1285-1294 (2012) - [c17]Hong Gao, Lin Xing, Yasunori Kobori, Feng Zhao, Haruo Kobayashi, Shyunsuke Miwa, Atsushi Motozawa, Zachary Nosker, Kiichi Niitsu, Nobukazu Takai, Takahiro Odaguchi, Isao Nakanishi, Kenji Nemoto, Jun-Ichi Matsuda:
DC-DC converter with continuous-time feed-forward Sigma-Delta modulator control. APCCAS 2012: 65-68 - [c16]Yasunori Kobori, Qiulin Zhu, Murong Li, Feng Zhao, Zachary Nosker, Shu Wu, Shaiful N. Mohyar, Masanori Onozawa, Haruo Kobayashi, Nobukazu Takai, Kiichi Niitsu, Takahiro Odaguchi, Isao Nakanishi, Kenji Nemoto, Jun-Ichi Matsuda, Asahi Kasei:
Single inductor dual output DC-DC converter design with exclusive control. APCCAS 2012: 436-439 - [c15]Guanglei Jin, Hao Chen, Chuan Gao, Yunpeng Zhang, Haruo Kobayashi, Nobukazu Takai, Kiichi Niitsu, Khayrollah Hadidi:
Digitally-controlled Gm-C bandpass filter. APCCAS 2012: 531-534 - [c14]Satoshi Uemori, Masamichi Ishii, Haruo Kobayashi, Yuta Doi, Osamu Kobayashi, Tatsuji Matsuura, Kiichi Niitsu, Yuta Arakawa, Daiki Hirabayashi, Yuji Yano, Tatsuhiro Gake, Nobukazu Takai, Takahiro J. Yamaguchi:
Multi-bit sigma-delta TDC architecture with self-calibration. APCCAS 2012: 671-674 - [c13]Kiichi Niitsu, Masato Sakurai, Naohiro Harigai, Daiki Hirabayashi, Takahiro J. Yamaguchi, Haruo Kobayashi:
A reference-free on-chip timing jitter measurement circuit using self-referenced clock and a cascaded time difference amplifier in 65nm CMOS. ASP-DAC 2012: 553-554 - [c12]Keisuke Kato, Fumitaka Abe, Kazuyuki Wakabayashi, Chuan Gao, Takafumi Yamada, Haruo Kobayashi, Osamu Kobayashi, Kiichi Niitsu:
Two-Tone Signal Generation for Communication Application ADC Testing. Asian Test Symposium 2012: 179-184 - [c11]Takahiro J. Yamaguchi, Kunihiro Asada, Kiichi Niitsu, Mohamed Abbas, Satoshi Komatsu, Haruo Kobayashi, Jose A. Moreira:
A New Procedure for Measuring High-Accuracy Probability Density Functions. Asian Test Symposium 2012: 185-190 - [c10]Kiichi Niitsu, Takahiro J. Yamaguchi, Masahiro Ishida, Haruo Kobayashi:
Post-Silicon Jitter Measurements. Asian Test Symposium 2012: 258-263 - [c9]Kiichi Niitsu, Naohiro Harigai, Daiki Hirabayashi, Daiki Oki, Masato Sakurai, Osamu Kobayashi, Takahiro J. Yamaguchi, Haruo Kobayashi:
A clock jitter reduction circuit using gated phase blending between self-delayed clock edges. VLSIC 2012: 142-143 - 2011
- [j9]Tomohiko Ogawa, Haruo Kobayashi, Satoshi Uemori, Yohei Tan, Satoshi Ito, Nobukazu Takai, Takahiro J. Yamaguchi, Kiichi Niitsu:
Design for Testability That Reduces Linearity Testing Time of SAR ADCs. IEICE Trans. Electron. 94-C(6): 1061-1064 (2011) - [j8]Kiichi Niitsu, Yasufumi Sugimori, Yoshinori Kohama, Kenichi Osada, Naohiko Irie, Hiroki Ishikuro, Tadahiro Kuroda:
Analysis and Techniques for Mitigating Interference From Power/Signal Lines and to SRAM Circuits in CMOS Inductive-Coupling Link for Low-Power 3-D System Integration. IEEE Trans. Very Large Scale Integr. Syst. 19(10): 1902-1907 (2011) - [j7]Kiichi Niitsu, Vishwesh V. Kulkarni, Shinmo Kang, Hiroki Ishikuro, Tadahiro Kuroda:
A 14-GHz AC-Coupled Clock Distribution Scheme With Phase Averaging Technique Using Single LC-VCO and Distributed Phase Interpolators. IEEE Trans. Very Large Scale Integr. Syst. 19(11): 2058-2066 (2011) - [c8]Kiichi Niitsu, Masato Sakurai, Naohiro Harigai, Takahiro J. Yamaguchi, Haruo Kobayashi:
An on-chip timing jitter measurement circuit using a self-referenced clock and a cascaded time difference amplifier with duty-cycle compensation. A-SSCC 2011: 201-204 - [c7]Masato Sakurai, Kiichi Niitsu, Naohiro Harigai, Daiki Hirabayashi, Daiki Oki, Takahiro J. Yamaguchi, Haruo Kobayashi:
Analysis of jitter accumulation in interleaved phase frequency detectors for high-accuracy on-chip jitter measurements. ISOCC 2011: 146-149 - 2010
- [j6]Makoto Saen, Kenichi Osada, Yasuyuki Okuma, Kiichi Niitsu, Yasuhisa Shimazaki, Yasufumi Sugimori, Yoshinori Kohama, Kazutaka Kasuga, Itaru Nonomura, Naohiko Irie, Toshihiro Hattori, Atsushi Hasegawa, Tadahiro Kuroda:
3-D System Integration of Processor and Multi-Stacked SRAMs Using Inductive-Coupling Link. IEEE J. Solid State Circuits 45(4): 856-862 (2010) - [j5]Kiichi Niitsu, Yoshinori Kohama, Yasufumi Sugimori, Kazutaka Kasuga, Kenichi Osada, Naohiko Irie, Hiroki Ishikuro, Tadahiro Kuroda:
Modeling and Experimental Verification of Misalignment Tolerance in Inductive-Coupling Inter-Chip Link for Low-Power 3-D System Integration. IEEE Trans. Very Large Scale Integr. Syst. 18(8): 1238-1243 (2010) - [c6]Satoshi Uemori, Takahiro J. Yamaguchi, Satoshi Ito, Yohei Tan, Haruo Kobayashi, Nobukazu Takai, Kiichi Niitsu, Nobuyoshi Ishikawa:
ADC linearity test signal generation algorithm. APCCAS 2010: 44-47 - [c5]Tomohiko Ogawa, Haruo Kobayashi, Yohei Tan, Satoshi Ito, Satoshi Uemori, Nobukazu Takai, Kiichi Niitsu, Takahiro J. Yamaguchi, Tatsuji Matsuura, Nobuyoshi Ishikawa:
SAR ADC that is configurable to optimize yield. APCCAS 2010: 374-377 - [c4]Satoshi Ito, Shigeyuki Nishimura, Haruo Kobayashi, Satoshi Uemori, Yohei Tan, Nobukazu Takai, Takahiro J. Yamaguchi, Kiichi Niitsu:
Stochastic TDC architecture with self-calibration. APCCAS 2010: 1027-1030
2000 – 2009
- 2009
- [j4]Vishal V. Kulkarni, Muhammad Muqsith, Kiichi Niitsu, Hiroki Ishikuro, Tadahiro Kuroda:
A 750 Mb/s, 12 pJ/b, 6-to-10 GHz CMOS IR-UWB Transmitter With Embedded On-Chip Antenna. IEEE J. Solid State Circuits 44(2): 394-403 (2009) - [c3]Shotaro Saito, Yoshinori Kohama, Yasufumi Sugimori, Yohei Hasegawa, Hiroki Matsutani, Toru Sano, Kazutaka Kasuga, Yoichi Yoshida, Kiichi Niitsu, Noriyuki Miura, Tadahiro Kuroda, Hideharu Amano:
MuCCRA-Cube: A 3D dynamically reconfigurable processor with inductive-coupling link. FPL 2009: 6-11 - [c2]Kiichi Niitsu, Yasuhisa Shimazaki, Yasufumi Sugimori, Yoshinori Kohama, Kazutaka Kasuga, Itaru Nonomura, Makoto Saen, Shigenobu Komatsu, Kenichi Osada, Naohiko Irie, Toshihiro Hattori, Atsushi Hasegawa, Tadahiro Kuroda:
An inductive-coupling link for 3D integration of a 90nm CMOS processor and a 65nm CMOS SRAM. ISSCC 2009: 480-481 - 2008
- [j3]Noriyuki Miura, Hiroki Ishikuro, Kiichi Niitsu, Takayasu Sakurai, Tadahiro Kuroda:
A 0.14 pJ/b Inductive-Coupling Transceiver With Digitally-Controlled Precise Pulse Shaping. IEEE J. Solid State Circuits 43(1): 285-291 (2008) - 2007
- [j2]Kiichi Niitsu, Noriyuki Miura, Mari Inoue, Yoshihiro Nakagawa, Masamoto Tago, Masayuki Mizuno, Takayasu Sakurai, Tadahiro Kuroda:
Daisy Chain Transmitter for Power Reduction in Inductive-Coupling CMOS Link. IEICE Trans. Electron. 90-C(4): 829-835 (2007) - [j1]Noriyuki Miura, Daisuke Mizoguchi, Mari Inoue, Kiichi Niitsu, Yoshihiro Nakagawa, Masamoto Tago, Muneo Fukaishi, Takayasu Sakurai, Tadahiro Kuroda:
A 1 Tb/s 3 W Inductive-Coupling Transceiver for 3D-Stacked Inter-Chip Clock and Data Link. IEEE J. Solid State Circuits 42(1): 111-122 (2007) - 2006
- [c1]Noriyuki Miura, Daisuke Mizoguchi, Mari Inoue, Kiichi Niitsu, Yoshihiro Nakagawa, Masamoto Tago, Muneo Fukaishi, Takayasu Sakurai, Tadahiro Kuroda:
A 1Tb/s 3W inductive-coupling transceiver for inter-chip clock and data link. ISSCC 2006: 1676-1685
Coauthor Index
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