Koichi Ishida

Publication Activity (10 Years)

Years Active: 2003-2021
Publications (10 Years): 10

Top Topics

Analog Circuits

Silicon On Insulator

Fully Integrated

Top Venues

IEEE J. Solid State Circuits

IEEE Trans. Circuits Syst. I Regul. Pap.

Publications

Toshiya Itaya, Koichi Ishida, Akio Tanaka, Nobuo Takehira
Exact Analysis of a Linear Velocity Sensor. IEEE Trans. Instrum. Meas. 70 (2021)
Giuseppe Cantarella, Niko Münzenrieder, Luisa Petti, Koichi Ishida, Tilo Meister, Corrado Carta, Frank Ellinger, Raoul Hopf
Mechanical and Electrical Design Strategies for Flexible InGaZnO Circuits. MIXDES (2021)
Tilo Meister, Koichi Ishida, Stefan Knobelspies, Giuseppe Cantarella, Niko Münzenrieder, Gerhard Tröster, Corrado Carta, Frank Ellinger
5-31-Hz 188- $\mu$ W Light-Sensing Oscillator With Two Active Inductors Fully Integrated on Plastic. IEEE J. Solid State Circuits 54 (8) (2019)
Koichi Ishida, Yoshiaki Taniguchi, Nobukazu Iguchi
A Routing Method for Fish Farm Monitoring Under Short Transmission Range Condition. IEICE Trans. Inf. Syst. (8) (2018)
Koichi Ishida, Yoshiaki Taniguchi, Nobukazu Iguchi
A Method for Gathering Sensor Data for Fish-Farm Monitoring Considering the Transmission-Range Volume. IEICE Trans. Inf. Syst. (3) (2018)
Reza Shabanpour, Tilo Meister, Koichi Ishida, Bahman Kheradmand Boroujeni, Corrado Carta, Frank Ellinger, Luisa Petti, Niko Münzenrieder, Giovanni A. Salvatore, Gerhard Tröster
A transistor model for a-IGZO TFT circuit design built upon the RPI-aTFT model. NEWCAS (2017)
Koichi Ishida, Yoshiaki Taniguchi, Nobukazu Iguchi
A Data Gathering Method Considering Volume of Transmission Range for Fish Farm Monitoring. EMS (2016)
Bahman Kheradmand Boroujeni, Georg Cornelius Schmidt, Daniel Höft, Maxi Bellmann, Katherina Haase, Koichi Ishida, Reza Shabanpour, Tilo Meister, Corrado Carta, Pol Ghesquière, Arved C. Hübler, Frank Ellinger
A Fully-Printed Self-Biased Polymeric Audio Amplifier for Driving Fully-Printed Piezoelectric Loudspeakers. IEEE Trans. Circuits Syst. I Regul. Pap. (6) (2016)
Tilo Meister, Koichi Ishida, Corrado Carta, Reza Shabanpour, Bahman Kheradmand Boroujeni, Niko Münzenrieder, Luisa Petti, Giovanni A. Salvatore, G. Schmidt, Pol Ghesquière, Stefan Kiefl, G. De Toma, T. Faetti, Arved C. Hübler, Gerhard Tröster, Frank Ellinger
3.5mW 1MHz AM detector and digitally-controlled tuner in a-IGZO TFT for wireless communications in a fully integrated flexible system for audio bag. VLSI Circuits (2016)
Tilo Meister, Koichi Ishida, Reza Shabanpour, Bahman Kheradmand Boroujeni, Corrado Carta, Niko Münzenrieder, Luisa Petti, Giuseppe Cantarella, Giovanni A. Salvatore, Gerhard Tröster, Frank Ellinger
20.3dB 0.39mW AM detector with single-transistor active inductor in bendable a-IGZO TFT. ESSCIRC (2016)
Reza Shabanpour, Corrado Carta, Koichi Ishida, Tilo Meister, Bahman Kheradmand Boroujeni, Niko Münzenrieder, Luisa Petti, Giovanni A. Salvatore, Gerhard Tröster, Frank Ellinger
Baseband amplifiers in a-IGZO TFT technology for flexible audio systems. ISPACS (2015)
Tilo Meister, Koichi Ishida, Reza Shabanpour, Bahman Kheradmand Boroujeni, Corrado Carta, Frank Ellinger, Niko Münzenrieder, Luisa Petti, Giovanni A. Salvatore, Gerhard Tröster, Michael Wagner, Pol Ghesquière, Stefan Kiefl, Martin Krebs
Bendable energy-harvesting module with organic photovoltaic, rechargeable battery, and a-IGZO TFT charging electronics. 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)
Reza Shabanpour, Koichi Ishida, Tilo Meister, Niko Münzenrieder, Luisa Petti, Giovanni A. Salvatore, Bahman Kheradmand Boroujeni, Corrado Carta, Gerhard Tröster, Frank Ellinger
A 70°phase margin OPAMP with positive feedback in flexible a-IGZO TFT technology. MWSCAS (2015)
Reza Shabanpour, Corrado Carta, Tilo Meister, Koichi Ishida, Bahman Kheradmand Boroujeni, Frank Ellinger, Niko Münzenrieder, Giovanni A. Salvatore, Luisa Petti, Gerhard Tröster
A fully integrated audio amplifier in flexible a-IGZO TFT technology for printed piezoelectric loudspeakers. ECCTD (2015)
Koichi Ishida, Reza Shabanpour, Tilo Meister, Bahman Kheradmand Boroujeni, Corrado Carta, Luisa Petti, Niko Münzenrieder, Giovanni A. Salvatore, Gerhard Tröster, Frank Ellinger
15 dB Conversion gain, 20 MHz carrier frequency AM receiver in flexible a-IGZO TFT technology with textile antennas. VLSIC (2015)
Reza Shabanpour, Tilo Meister, Koichi Ishida, Bahman Kheradmand Boroujeni, Corrado Carta, Udo Jörges, Frank Ellinger, Luisa Petti, Niko Münzenrieder, Giovanni A. Salvatore, Gerhard Tröster
Cherry-Hooper amplifiers with 33 dB gain at 400 kHz BW and 10 dB gain at 3.5 MHz BW in flexible self-aligned a-IGZO TFT technology. ISPACS (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)
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)
Reza Shabanpour, Tilo Meister, Koichi Ishida, Luisa Petti, Niko Münzenrieder, Giovanni A. Salvatore, Bahman Kheradmand Boroujeni, Corrado Carta, Gerhard Tröster, Frank Ellinger
High gain amplifiers in flexible self-aligned a-IGZO thin-film-transistor technology. ICECS (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)
Koichi Ishida, Reza Shabanpour, Bahman Kheradmand Boroujeni, Tilo Meister, Corrado Carta, Frank Ellinger, Luisa Petti, Niko Münzenrieder, Giovanni A. Salvatore, Gerhard Tröster
22.5 dB open-loop gain, 31 kHz GBW pseudo-CMOS based operational amplifier with a-IGZO TFTs on a flexible film. A-SSCC (2014)
Hiroshi Fuketa, Koichi Ishida, Tsuyoshi Sekitani, Makoto Takamiya, Takao Someya, Takayasu Sakurai
Large-area and flexible sensors with organic transistors. IWASI (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)
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)
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)
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)
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)
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)
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)
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)
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)
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) (2011)
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. (6) (2011)
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)
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)
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. (3) (2010)
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)
Makoto Takamiya, Koichi Ishida, Tsuyoshi Sekitani, Takao Someya, Takayasu Sakurai
Design of large area electronics with organic transistors. ICCAD (2010)
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. (3) (2010)
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) (2010)
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)
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)
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)
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)
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. (6) (2009)
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)
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)
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)
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)
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)
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)
Taro Niiyama, Piao Zhe, Koichi Ishida, Masami Murakata, Makoto Takamiya, Takayasu Sakurai
) with number of CMOS logic gates and experimental verification with up to 1Mega-stage ring oscillators. ISLPED (2008)
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)
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)
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. (4) (2007)
Koichi Ishida, Kouichi Kanda, Atit Tamtrakarn, Hiroshi Kawaguchi, Takayasu Sakurai
transistors by analog T- switch (AT-switch) and super cut-off CMOS (SCCMOS). IEEE J. Solid State Circuits 41 (4) (2006)
Atit Tamtrakarn, Hiroki Ishikuro, Koichi Ishida, Takayasu Sakurai
Compact outside-rail circuit structure by single-cascode two-transistor topology. CICC (2006)
Koichi Ishida, Atit Tamtrakarn, Takayasu Sakurai
A 0.5-V sigma-delta modulator using analog T-switch scheme for the subthreshold leakage suppression. ASP-DAC (2006)
Koichi Ishida, Kouichi Kanda, Atit Tamtrakarn, Hiroshi Kawaguchi, Takayasu Sakurai
Subthreshold-leakage suppressed switched capacitor circuit based on super cut-off CMOS (SCCMOS). ISCAS (4) (2005)
Koichi Ishida, Minoru Fujishima
Chopper-stabilized high-pass sigma delta modulator utilizing a resonator structure. IEEE Trans. Circuits Syst. II Express Briefs 50 (9) (2003)