CMOS Cascode Source-Drain Follower for Monolithically Integrated Biosensor Array. - Kazuo Nakazato; Mitsuo Ohura; Shigeyasu Uno (IEICE Trans. Electron., 2008)

An Integrated ISFET Sensor Array. - Kazuo Nakazato (Sensors, 2009)

Universality in electron-modulated-acoustic-phonon interactions in a free-standing semiconductor nanowire. - Junichi Hattori; Shigeyasu Uno; Nobuya Mori; Kazuo Nakazato (Math. Comput. Model., 2010)

Form factor increase and its physical origins in electron-modulated acoustic phonon interaction in a free-standing semiconductor plate. - Shigeyasu Uno; Junichi Hattori; Kazuo Nakazato; Nobuya Mori (Math. Comput. Model., 2010)

Dual data pulse width modulator for wireless Simultaneous Measurement of Redox Potential and Temperature using a Single RFID Chip. - Boram Kim; Kazuo Nakazato (ICECS, 2012)

BioCMOS LSIs for portable gene-based diagnostic inspection system. - Kazuo Nakazato (ISCAS, 2012)

Circuit simulation model for ultimately-scaled ballistic nanowire MOSFETs. - Tatsuhiro Numata; Shigeyasu Uno; Kazuo Nakazato (IEICE Electron. Express, 2013)

Live demonstration: An extended-gate CMOS sensor array with enzyme-immobilized microbeads for redox-potential glucose detection. - Hayato Komori; Kiichi Niitsu; Junko Tanaka; Yu Ishige; Masao Kamahori; Kazuo Nakazato (BioCAS, 2014)

An extended-gate CMOS sensor array with enzyme-immobilized microbeads for redox-potential glucose detection. - Hayato Komori; Kiichi Niitsu; Junko Tanaka; Yu Ishige; Masao Kamahori; Kazuo Nakazato (BioCAS, 2014)

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. - Shoko Ota; Kiichi Niitsu; Hiroki Kondo; Masaru Hori; Kazuo Nakazato (BioCAS, 2014)

A CMOS sensor platform with 1.2 µm × 2.05 µm electroless-plated 1024 × 1024 microelectrode array for high-sensitivity rapid direct bacteria counting. - Shoko Ota; Kiichi Niitsu; Hiroki Kondo; Masaru Hori; Kazuo Nakazato (BioCAS, 2014)

A new DRAM architecture and its control method for the system power consumption. - Yoshiro Riho; Kazuo Nakazato (ACM Great Lakes Symposium on VLSI, 2014)

Charge-conserved analog-to-time converter for a large-scale CMOS biosensor array. - Masayuki Takihi; Kiichi Niitsu; Kazuo Nakazato (ISCAS, 2014)

A new extension method of retention time for memory cell on dynamic random access memory. - Yoshiro Riho; Kazuo Nakazato (Integr., 2014)

Partial Access Mode: New Method for Reducing Power Consumption of Dynamic Random Access Memory. - Yoshiro Riho; Kazuo Nakazato (IEEE Trans. Very Large Scale Integr. Syst., 2014)

Noise-immune current-integration-based CMOS amperometric sensor platform with 1.2 μm × 2.05 μm electroless-plated microelectrode array for robust bacteria counting. - Kohei Gamo; Kiichi Niitsu; Kazuo Nakazato (BioCAS, 2015)

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. - Kiichi Niitsu; Atsuki Kobayashi; Yudai Ogawa; Matsuhiko Nishizawa; Kazuo Nakazato (BioCAS, 2015)

Development of Microelectrode Arrays Using Electroless Plating for CMOS-Based Direct Counting of Bacterial and HeLa Cells. - Kiichi Niitsu; Shoko Ota; Kohei Gamo; Hiroki Kondo; Masaru Hori; Kazuo Nakazato (IEEE Trans. Biomed. Circuits Syst., 2015)

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. - Kiichi Niitsu; Atsuki Kobayashi; Yudai Ogawa; Matsuhiko Nishizawa; Kazuo Nakazato (ASP-DAC, 2016)

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. - Kohei Gamo; Kazuo Nakazato; Kiichi Niitsu (BioCAS, 2016)

Live demonstration: Current-mode analog-to-time converter for a large scale CMOS biosensor array. - Kei Ikeda; Atsuki Kobayashi; Kazuo Nakazato; Kiichi Niitsu (BioCAS, 2016)

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. - Atsuki Kobayashi; Kei Ikeda; Yudai Ogawa; Matsuhiko Nishizawa; Kazuo Nakazato; Kiichi Niitsu (BioCAS, 2016)

A current-mode analog-to-time converter with short-pulse output capability using local intra-cell activation for high-speed time-domain biosensor array. - Kei Ikeda; Atsuki Kobayashi; Kazuo Nakazato; Kiichi Niitsu (NORCAS, 2016)

Well-Shaped Microelectrode Array Structure for High-Density CMOS Amperometric Electrochemical Sensor Array. - Kiichi Niitsu; Tsuyoshi Kuno; Masayuki Takihi; Kazuo Nakazato (IEICE Trans. Electron., 2016)

A current-integration-based CMOS amperometric sensor with 1.2 μm × 2.05 μm electroless-plated microelectrode array for high-sensitivity bacteria counting. - Kohei Gamo; Kazuo Nakazato; Kiichi Niitsu (ASP-DAC, 2017)

A scalable time-domain biosensor array using logarithmic cyclic time-attenuation-based TDC for high-resolution and large-scale bio-imaging. - Kei Ikeda; Atsuki Kobayashi; Kazuo Nakazato; Kiichi Niitsu (ASP-DAC, 2017)

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. - Atsuki Kobayashi; Kei Ikeda; Yudai Ogawa; Matsuhiko Nishizawa; Kazuo Nakazato; Kiichi Niitsu (ASP-DAC, 2017)

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. - Taiki Nakanishi; Maya Matsunaga; Atsuki Kobayashi; Kazuo Nakazato; Kiichi Niitsu (BioCAS, 2017)

Live demonstration: BCT-II - A hand-held, stand-alone, multimodal bio-sensing system. - Takeshi Shimizu; Masaki Tanaka; Kazuo Nakazato (BioCAS, 2017)

Application of magnetic arrangement of microbeads for CMOS biosensor array sensitivity. - Eizo Ushijima; Satoshi Fujimoto; Kiichi Niitsu; Kazuo Nakazato (BioCAS, 2017)

Three-dimensional millimeter-wave frequency-shift-based CMOS biosensor using vertically stacked LC oscillators. - Maya Matsunaga; Taiki Nakanishi; Atsuki Kobayashi; Kazuo Nakazato; Kiichi Niitsu (NORCAS, 2017)

A Current-Integration-Based CMOS Amperometric Sensor with 1024 × 1024 Bacteria-Sized Microelectrode Array for High-Sensitivity Bacteria Counting. - Kohei Gamo; Kazuo Nakazato; Kiichi Niitsu (IEICE Trans. Electron., 2017)

Design and Analysis of Scalability in Current-Mode Analog-to-Time Converter for an Energy-Efficient and High-Resolution CMOS Biosensor Array. - Kei Ikeda; Atsuki Kobayashi; Kazuo Nakazato; Kiichi Niitsu (IEICE Trans. Electron., 2017)

Sub-1-V CMOS-Based Electrophoresis Using Electroless Gold Plating for Small-Form-Factor Biomolecule Manipulation. - Yuuki Yamaji; Kazuo Nakazato; Kiichi Niitsu (IEICE Trans. Electron., 2017)

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. - Atsuki Kobayashi; Kei Ikeda; Yudai Ogawa; Hiroyuki Kai; Matsuhiko Nishizawa; Kazuo Nakazato; Kiichi Niitsu (IEEE Trans. Biomed. Circuits Syst., 2017)

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. - Atsuki Kobayashi; Yuya Nishio; Kenya Hayashi; Kazuo Nakazato; Kiichi Niitsu (CICC, 2018)

Demonstration of 2D Optical Imaging Using Photosystem I Photosensor Platform with 3232 CMOS Biosensor Array. - Kiichi Niitsu; Taichi Sakabe; Mariko Miyachi; Yoshinori Yamanoi; Hiroshi Nishihara; Tatsuya Tomo; Kazuo Nakazato (NEWCAS, 2018)

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. - Kiichi Niitsu; Atsuki Kobayashi; Yuya Nishio; Kenya Hayashi; Kei Ikeda; Takashi Ando; Yudai Ogawa; Hiroyuki Kai; Matsuhiko Nishizawa; Kazuo Nakazato (IEEE Trans. Circuits Syst. I Regul. Pap., 2018)

2D optical imaging using photosystem I photosensor platform with 32x32 CMOS biosensor array. - Kiichi Niitsu; Taichi Sakabe; Mariko Miyachi; Yoshinori Yamanoi; Hiroshi Nishihara; Tatsuya Tomo; Kazuo Nakazato (ASP-DAC, 2019)

A low-voltage CMOS electrophoresis IC using electroless gold plating for small-form-factor biomolecule manipulation. - Kiichi Niitsu; Yuuki Yamaji; Atsuki Kobayashi; Kazuo Nakazato (ASP-DAC, 2019)

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. - 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; et al. (IEEE Trans. Biomed. Circuits Syst., 2019)