Makoto Takamiya

ORCID

Publication Activity (10 Years)

Years Active: 2000-2024
Publications (10 Years): 42

Top Venues

IEEE Trans. Circuits Syst. I Regul. Pap.

IEEE J. Solid State Circuits

ISSCC

ICICDT

Publications

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) (2024)
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 (2024)
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) (2024)
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) (2023)
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 (2023)
Qiaobo Ma, Xiongjie Zhang, Anyang Zhao, Huihua Li, Yang Jiang, Man-Kay Law, Makoto Takamiya, Rui Paulo Martins, Pui-In Mak
Reduction for 12 V/24 V Inputs. IEEE Trans. Circuits Syst. I Regul. Pap. 70 (12) (2023)
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)
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)
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 (2023)
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) (2023)
Makoto Takamiya
Foreword. IEICE Trans. Electron. (10) (2022)
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) (2022)
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) (2022)
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) (2021)
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)
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) (2021)
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) (2021)
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. (3) (2020)
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)
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)
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)
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) (2019)
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. (3) (2019)
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)
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)
Hao Qiu, Takayasu Sakurai, Makoto Takamiya
Coupling-Dependent Data Flipping in Wireless Power and Data Transfer System. ISCAS (2019)
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)
Toru Sai, Yoshitaka Yamauchi, Hajime Kando, Tatsuya Funaki, Takayasu Sakurai, Makoto Takamiya
Using Driver Amplitude Doubler. IEEE Trans. Circuits Syst. II Express Briefs (11) (2018)
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) (2018)
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)
Makoto Takamiya, Yen Hsun Hsu, Axel Thomsen
Session 27 overview: Power-converter techniques: Power management subcommittee. ISSCC (2018)
Shunta Iguchi, Takayasu Sakurai, Makoto Takamiya
A Low-Power CMOS Crystal Oscillator Using a Stacked-Amplifier Architecture. IEEE J. Solid State Circuits 52 (11) (2017)
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) (2017)
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. (4) (2017)
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) (2017)
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)
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)
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)
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) (2016)
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)
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)
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)
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)
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) (2015)
Makoto Takamiya
Energy efficient design and energy harvesting for energy autonomous systems. VLSI-DAT (2015)
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)
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)
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)
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. (4) (2015)
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)
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)
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) (2014)
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)
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) (2014)
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)
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)
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) (2014)
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. (10) (2014)
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)
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)
Hiroshi Fuketa, Koji Hirairi, Tadashi Yasufuku, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai
-Aware Dual Supply Voltage Technique. IEEE Trans. Very Large Scale Integr. Syst. 21 (6) (2013)
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)
Hiroshi Fuketa, Koichi Ishida, Tsuyoshi Sekitani, Makoto Takamiya, Takao Someya, Takayasu Sakurai
Large-area and flexible sensors with organic transistors. IWASI (2013)
Hiroshi Fuketa, Ryo Takahashi, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai
Variation-aware subthreshold logic circuit design. ASICON (2013)
Tsuyoshi Sekitani, Tomoyuki Yokota, Makoto Takamiya, Takayasu Sakurai, Takao Someya
Electrical artificial skin using ultraflexible organic transistor. DAC (2013)
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)
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)
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)
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) (2013)
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) (2013)
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)
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)
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)
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)
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)
Po-Hung Chen, Koichi Ishida, Katsuyuki Ikeuchi, Xin Zhang, Kentaro Honda, Yasuyuki Okuma, Yoshikatsu Ryu, Makoto Takamiya, Takayasu Sakurai
-Tuned Oscillator With Fixed Charge Programming. IEEE J. Solid State Circuits 47 (5) (2012)
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) (2012)
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)
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) (2012)
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 (12) (2012)
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. (6) (2012)
Akira Saito, Yun Fei Zheng, Kazunori Watanabe, Takayasu Sakurai, Makoto Takamiya
0.35V, 4.1μW, 39MHz crystal oscillator in 40nm CMOS. ISLPED (2012)
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. (6) (2012)
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)
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) (2012)
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
limited ultra low voltage logic circuits. ISQED (2012)
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 (6) (2012)
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)
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. (6) (2011)
Katsuyuki Ikeuchi, Makoto Takamiya, Takayasu Sakurai
Through Silicon Capacitive Coupling (TSCC) interface for 3D stacked dies. 3DIC (2011)
Kentaro Honda, Katsuyuki Ikeuchi, Masahiro Nomura, Makoto Takamiya, Takayasu Sakurai
) of CMOS logic circuits with post-fabrication automatically selective charge injection. ISLPED (2011)
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) (2011)
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)
Hiroshi Fuketa, Koji Hirairi, Tadashi Yasufuku, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai
between flip-flops and combinational logics. ISLPED (2011)
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. (6) (2011)
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. (4) (2011)
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. (6) (2011)
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) (2011)
Hiroshi Fuketa, Satoshi Iida, Tadashi Yasufuku, Makoto Takamiya, Masahiro Nomura, Hirofumi Shinohara, Takayasu Sakurai
) of CMOS logic gates. DAC (2011)
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)

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Publication Activity (10 Years)

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Makoto Takamiya