Gigahertz-band high-gain GaAs monolithic amplifiers using parallel feedback technique. - Noboru Ishihara; Hiroyuki Kikuchi; Mamoru Ohara (IEEE J. Solid State Circuits, 1989)

18-GHz 1/8 dynamic frequency divider using Si bipolar technologies. - Haruhiko Ichino; Noboru Ishihara; Masao Suzuki; Shinsuke Konaka (IEEE J. Solid State Circuits, 1989)

12-Gb/s decision circuit IC using AlGaAs/GaAS HBT technology. - Haruhiko Ichino; Noboru Ishihara; Yoshiki Yamauchi; Osaake Nakajima; Koichi Nagata; Takumi Nittono (IEEE J. Solid State Circuits, 1990)

A design technique for a high-gain, 10-GHz class-bandwidth GaAs MESFET amplifier IC module. - Noboru Ishihara; Eiichi Sano; Yuhki Imai; Hiroyuki Kikuchi; Yasuro Yamane (IEEE J. Solid State Circuits, 1992)

A monolithic 156 Mb/s clock and data recovery PLL circuit using the sample-and-hold technique. - Noboru Ishihara; Yukio Akazawa (IEEE J. Solid State Circuits, 1994)

3.5-Gb/s⨉4-ch Si bipolar LSI's for optical interconnections. - Noboru Ishihara; Shuichi Fujita; Minoru Togashi; Shigeki Hino; Yoshimitsu Arai; Nobuyuki Tanaka; Yoshiji Kobayashi; Yukio Akazawa (IEEE J. Solid State Circuits, 1995)

A 156-Mb/s CMOS optical receiver for burst-mode transmission. - Makoto Nakamura; Noboru Ishihara; Yukio Akazawa (IEEE J. Solid State Circuits, 1998)

A 2.5-Gb/s clock and data recovery IC with tunable jitter characteristics for use in LANs and WANs. - Keiji Kishine; Noboru Ishihara; Ken-ichi Takiguchi; Haruhiko Ichino (IEEE J. Solid State Circuits, 1999)

Vdd Gate Biasing RF CMOS Amplifier Design Technique Based on the Effect of Carrier Velocity Saturation. - Noboru Ishihara (IEICE Trans. Electron., 2007)

A 1ps-Resolution 2ns-Span 10Gb/s Data-Timing Generator with Spectrum Conversion. - Tomoaki Kawamura; Yusuke Ohtomo; Kazuyoshi Nishimura; Noboru Ishihara (ISSCC, 2008)

Design of CMOS inverter-based output buffers adapting the cherry-hooper broadbanding technique. - Tomoaki Maekawa; Shuhei Amakawa; Noboru Ishihara; Kazuya Masu (ECCTD, 2009)

A low-phase-noise injection-locked differential ring-VCO with half-integral subharmonic locking in 0.18 µm CMOS. - Yuka Kobayashi; Shuhei Amakawa; Noboru Ishihara; Kazuya Masu (ESSCIRC, 2009)

Physical design challenges to nano-CMOS circuits. - Kazuya Masu; Noboru Ishihara; Noriaki Nakayama; Takashi Sato 001; Shuhei Amakawa (IEICE Electron. Express, 2009)

Wide-band, high linear low noise amplifier design in 0.18um CMOS technology. - Mousa M. Othman; Shuhei Amakawa; Noboru Ishihara; Kazuya Masu (IEICE Electron. Express, 2010)

A ring-VCO-based injection-locked frequency multiplier using a new pulse generation technique in 65 nm CMOS. - Norifumi Kanemaru; Sho Ikeda; Tatsuya Kamimura; Sang-yeop Lee; Satoru Tanoi; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (ISOCC, 2011)

A 21 V output charge pump circuit with appropriate well-bias supply technique in 0.18 μm Si CMOS. - Atsushi Shirane; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (ISOCC, 2011)

RF CMOS Integrated Circuit: History, Current Status and Future Prospects. - Noboru Ishihara; Shuhei Amakawa; Kazuya Masu (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Optimal design method for chip-area-efficient CMOS low-dropout regulator. - Sho Ikeda; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (APCCAS, 2012)

Injection-locked fractional frequency multiplier with automatic reference pulse-selection technique. - Sang-yeop Lee; Hiroyuki Ito; Satoru Tanoi; Noboru Ishihara; Kazuya Masu (IEICE Electron. Express, 2012)

RF signal generator using time domain harmonic suppression technique in 90nm CMOS. - Kazuo Nakano; Shuhei Amakawa; Noboru Ishihara; Kazuya Masu (IEICE Electron. Express, 2012)

A Ring-VCO-Based Injection-Locked Frequency Multiplier with Novel Pulse Generation Technique in 65 nm CMOS. - Sang-yeop Lee; Norifumi Kanemaru; Sho Ikeda; Tatsuya Kamimura; Satoru Tanoi; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (IEICE Trans. Electron., 2012)

Challenges in integration of diverse functionalities on CMOS. - Kazuya Masu; Noboru Ishihara; Toshifumi Konishi; Katsuyuki Machida; Hiroshi Toshiyoshi (ASP-DAC, 2013)

A process-scalable RF transmitter using 90nm and 65nm Si CMOS. - Atsushi Shirane; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (VLSI-DAT, 2013)

A 60GHz 3-dB tandem coupler using offset broadside-coupled lines on a silicon substrate. - Hamid Kiumarsi; Hiroyuki Ito; Kenichi Okada 001; Yusuke Uemichi; Yasuto Chiba; Noboru Ishihara; Kazuya Masu (IEICE Electron. Express, 2013)

A 0.5-V 2.5-GHz high-gain low-power regenerative amplifier based on Colpitts oscillator topology in 65-nm CMOS. - Taisuke Hamada; Hao Jiang; Yiming Fang; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (APCCAS, 2014)

A 950μW 5.5-GHz low voltage PLL with digitally-calibrated ILFD and linearized varactor. - Sho Ikeda; Tatsuya Kamimura; Sang-yeop Lee; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (ASP-DAC, 2014)

A 0.52-V 5.7-GHz low noise sub-sampling PLL with dynamic threshold MOSFET. - Sho Ikeda; Sang-yeop Lee; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (A-SSCC, 2014)

An ultra-low-power RF transceiver with a 1.5-pJ/bit maximally-digital impulse-transmitter and an 89.5-μW super-regenerative RSSI. - Hiroyuki Ito; Yoshihiro Yoneda; Taiki Ibe; Taisuke Hamada; Noboru Ishihara; Kazuya Masu; Shoichi Masui; Youichi Momiyama (A-SSCC, 2014)

An ultra low power pH-monitoring IC with a duty-cycling wireless FM-transmitter. - Yusuke Shiino; Hiroyuki Ito; Taku Fujiwara; Noboru Ishihara; Hisashi Yamanouchi; Hiroki Tanabe; Satoshi Nomura; Toshifumi Konishi; Katsuyuki Machida; Kazuya Masu (ISCAS, 2014)

A Sub-1mW Class-C-VCO-Based Low Voltage PLL with Ultra-Low-Power Digitally-Calibrated ILFD in 65nm CMOS. - Sho Ikeda; Sang-yeop Lee; Tatsuya Kamimura; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (IEICE Trans. Electron., 2014)

A 0.5-V 5.8-GHz low-power asymmetrical QPSK/OOK transceiver for wireless sensor network. - Sho Ikeda; Sang-yeop Lee; Shin Yonezawa; Yiming Fang; Motohiro Takayasu; Taisuke Hamada; Yosuke Ishikawa; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (ASP-DAC, 2015)

A 0.5-V 1.56-mW 5.5-GHz RF transceiver IC module with J-shaped folded monopole antenna. - Yosuke Ishikawa; Sang-yeop Lee; Shin Yonezawa; Sho Ikeda; Yiming Fang; Taisuke Hamada; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (ISCAS, 2015)

13.8 A 5.8GHz RF-powered transceiver with a 113μW 32-QAM transmitter employing the IF-based quadrature backscattering technique. - Atsushi Shirane; Haowei Tan; Yiming Fang; Taiki Ibe; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (ISSCC, 2015)

RF-Powered Transceiver With an Energy- and Spectral-Efficient IF-Based Quadrature Backscattering Transmitter. - Atsushi Shirane; Yiming Fang; Haowei Tan; Taiki Ibe; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (IEEE J. Solid State Circuits, 2015)

Simulation and evaluation of PV power generation for energy management system using SPICE. - Yuta Oshima; Hiroshi Oguma; Noboru Ishihara; Kazuya Masu (ICTC, 2016)

Environmental Data Recovery using Polynomial Regression for Large-scale Wireless Sensor Networks. - Kohei Ohba; Yoshihiro Yoneda; Koji Kurihara; Takashi Suganuma; Hiroyuki Ito; Noboru Ishihara; Kunihiko Gotoh; Koichiro Yamashita; Kazuya Masu (SENSORNETS, 2016)

An 8.865-GHz -244dB-FOM high-frequency piezoelectric resonator-based cascaded fractional-N PLL with sub-ppb-order channel adjusting technique. - Sho Ikeda; Hiroyuki Ito; Akifumi Kasamatsu; Yosuke Ishikawa; Takayoshi Obara; Naoki Noguchi; Koji Kamisuki; Yao Jiyang; Shinsuke Hara; Ruibing Dong; Shiro Dosho; Noboru Ishihara; et al. (VLSI Circuits, 2016)

Design of high-frequency piezoelectric resonator-based cascaded fractional-N PLL with sub-ppb-order channel adjusting technique. - Yosuke Ishikawa; Sho Ikeda; Hiroyuki Ito; Akifumi Kasamatsu; Takayoshi Obara; Naoki Noguchi; Koji Kamisuki; Yao Jiyang; Shinsuke Hara; Ruibing Dong; Shiro Dosho; Noboru Ishihara; et al. (ASP-DAC, 2017)

Estimation of energy self-sufficiency rate by EMS simulation using SPICE. - Yuta Oshima; Iwao Mizumoto; Hiroshi Oguma; Noboru Ishihara; Kazuya Masu (ICTC, 2017)

A - 244-dB FOM High-Frequency Piezoelectric Resonator-Based Cascaded Fractional-N PLL With Sub-ppb-Order Channel-Adjusting Technique. - Sho Ikeda; Hiroyuki Ito; Akifumi Kasamatsu; Yosuke Ishikawa; Takayoshi Obara; Naoki Noguchi; Koji Kamisuki; Yao Jiyang; Shinsuke Hara; Ruibing Dong; Shiro Dosho; Noboru Ishihara; et al. (IEEE J. Solid State Circuits, 2017)

A 0.18-µm CMOS time-domain capacitive-sensor interface for sub-1mG MEMS accelerometers. - Motohiro Takayasu; Shiro Dosho; Hiroyuki Ito; Daisuke Yamane; Toshifumi Konishi; Katsuyuki Machida; Noboru Ishihara; Kazuya Masu (IEICE Electron. Express, 2018)

High-Sensitivity Inertial Sensor Module to Measure Hidden Micro Muscular Sounds. - Tatsuya Koga; Katsuyuki Machida; Yoshihiro Miyake; Kazuya Masu; Takashi Ichikawa; Naoto Tanaka; Taiki Ogata; Hiroki Ora; Daisuke Yamane; Noboru Ishihara; Hiroyuki Ito; Masato Sone (BioCAS, 2019)

Capacitive Sensor Circuit with Relative Slope-Boost Method Based on a Relaxation Oscillator. - Ryo Onishi; Koki Miyamoto; Korkut Kaan Tokgoz; Noboru Ishihara; Hiroyuki Ito (ASP-DAC, 2021)

A Simplified Analytical Damping Constant Model for Perforated Proof Mass Structure of MEMS Capacitive Accelerometer by Multi-Layer Metal Technology. - Kohei Shibata; Akihiro Uchiyama; Akira Onishi; Shinichi Iida; Toshifumi Konishi; Noboru Ishihara; Katsuyuki Machida; Kazuya Masu; Hiroyuki Ito (IEEE SENSORS, 2021)

RC-Oscillator-Based Battery-Less Wireless Sensing System Using RF Resonant Electromagnetic Coupling. - Zixuan Li; Sang-yeop Lee; Noboru Ishihara; Hiroyuki Ito (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2024)