Kouji Kiyoyama

According to our database, Kouji Kiyoyama authored at least 19 papers between 2009 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2023

Development of Trans-nail PPG Controller Using Fingertip Blood Volume Changes to Enable Highly Accurate Motion Prediction.

Kohei Nakamura, Bang Du, Keishun Sugishita, Ryo Hasegawa, Hisashi Kino, Takafumi Fukushima, Koji Kiyoyama, Tetsu Tanaka

Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2023

2022

3D-stacked retinal prosthesis chip with binary image capture and edge detection functions for human visual restoration.

Yaogan Liang, Bang Du, Kohei Nakamura, Shengwei Wang, Bunta Inoue, Yuta Aruga, Hisashi Kino, Takafumi Fukushima, Koji Kiyoyama, Tetsu Tanaka

IEICE Electron. Express, 2022

Implementation of Light and Dark Adaptation Function for High QOL 3D-Stacked Artificial Retina Chip.

Kohei Nakamura, Yaogan Liang, Bang Du, Shengwei Wang, Yuta Aruga, Bunta Inoue, Hisashi Kino, Takafumi Fukushima, Koji Kiyoyama, Tetsu Tanaka

Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2022

2021

Design and Evaluation of Electronic-Microsaccade with Balanced Stimulation for Artificial Vision System.

Yaogan Liana, Zhengyang Qian, Bang Du, Jinming Ye, Kohei Nakamura, Shengwei Wang, Hisashi Kino, Takafumi Fukushima, Koji Kiyoyama, Tetsu Tanaka

Proceedings of the IEEE Biomedical Circuits and Systems Conference, BioCAS 2021, 2021

Design for 3-D Stacked Neural Network Circuit with Cyclic Analog Computing.

Koji Kiyoyama, Yoshihiko Horio, Takafumi Fukushima, Hiroyuki Hashimoto, Takemori Orima, Mitsumasa Koyanagi

Proceedings of the IEEE International 3D Systems Integration Conference, 2021

Implementation of a Chaotic Neural Network Reservoir on a TSV/$\mu\text{Bump}$ Stacked 3D Cyclic Neural Network Integrated Circuit.

Yoshihiko Horio, Takemori Orima, Koji Kiyoyama, Mitsumasa Koyanagi

Proceedings of the IEEE International 3D Systems Integration Conference, 2021

2019

PPG and SpO2 Recording Circuit with Ambient Light Cancellation for Trans-Nail Pulse-Wave Monitoring System.

Ryosuke Yabuki, Tetsu Tanaka, Zhengyang Qian, Kar Mun Lee, Bang Du, Filipe Alves Satake, Tasuku Fukushima, Hisashi Kino, Takafumi Fukushima, Koji Kiyoyama

Proceedings of the 2019 IEEE Biomedical Circuits and Systems Conference, 2019

Development of a CDS Circuit for 3-D Stacked Neural Network Chip using CMOS Analog Signal Processing.

Koji Kiyoyama, Qian Zhengy, Hiroyuki Hashimoto, Hisashi Kino, Takafumi Fukushima, Tetsu Tanaka

Proceedings of the 2019 International 3D Systems Integration Conference (3DIC), 2019

2018

Continuous Peripheral Blood Pressure Measurement with ECG and PPG Signals at Fingertips.

Kar Mun Lee, Zhengyang Qian, Ryosuke Yabuki, Bang Du, Hisashi Kino, Takafumi Fukushima, Koji Kiyoyama, Tetsu Tanaka

Proceedings of the 2018 IEEE Biomedical Circuits and Systems Conference, 2018

2017

Ultrawide range square wave impedance analysis circuit with ultra-slow ring-oscillator using gate-induced drain-leakage current.

Yoshiki Takezawa, Koji Kiyoyama, Kenji Shimokawa, Zhengyang Qian, Hisashi Kino, Takafumi Fukushima, Tetsu Tanaka

Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2017

Experimental evaluation of stimulus current generator with Laplacian edge-enhancement for 3-D stacked retinal prosthesis chip.

Kenji Shimokawa, Zhengyang Qian, Yoshiki Takezawa, Hisashi Kino, Takafumi Fukushima, Kouji Kiyoyama, Tetsu Tanaka

Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2017

2016

Wide-range and precise tissue impedance analysis circuit with ultralow current source using gate-induced drain-leakage current.

Koji Kiyoyama, Yoshiki Takezawa, Tatsuya Goto, Keita Ito, Shoma Uno, Kenji Shimokawa, Satoru Nishino, Hisashi Kino, Tetsu Tanaka

Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2016

2013

A block-parallel ADC with digital noise cancelling for 3-D stacked CMOS image sensor.

Kouji Kiyoyama, Y. Sato, Hiroyuki Hashimoto, Kang Wook Lee, Takafumi Fukushima, Tetsu Tanaka, Mitsumasa Koyanagi

Proceedings of the 2013 IEEE International 3D Systems Integration Conference (3DIC), 2013

2012

A 37 × 37 pixels artificial retina chip with edge enhancement function for 3-D stacked fully implantable retinal prosthesis.

H. Naganuma, Kouji Kiyoyama, Tetsu Tanaka

Proceedings of the 2012 IEEE Biomedical Circuits and Systems Conference, 2012

2011

A very low area ADC for 3-D stacked CMOS image processing system.

Kouji Kiyoyama, Kang Wook Lee, Takafumi Fukushima, H. Naganuma, H. Kobayashi, Tetsu Tanaka, Mitsumasa Koyanagi

Proceedings of the 2011 IEEE International 3D Systems Integration Conference (3DIC), Osaka, Japan, January 31, 2011

2010

A block-parallel signal processing system for CMOS image sensor with three-dimensional structure.

Kouji Kiyoyama, Kang Wook Lee, Takafumi Fukushima, H. Naganuma, Hiroaki Kobayashi, Tetsu Tanaka, Mitsumasa Koyanagi

Proceedings of the IEEE International Conference on 3D System Integration, 2010

2009

Heterogeneous integration technology for MEMS-LSI multi-chip module.

Kang Wook Lee, Shigeyuki Kanno, Yuki Ohara, Kouji Kiyoyama, Ji Chel Bea, Takafumi Fukushima, Tetsu Tanaka, Mitsumasa Koyanagi

Proceedings of the IEEE International Conference on 3D System Integration, 2009

A parallel ADC for high-speed CMOS image processing system with 3D structure.

Kouji Kiyoyama, Yuki Ohara, Kang Wook Lee, Y. Yang, Takafumi Fukushima, Tetsu Tanaka, Mitsumasa Koyanagi

Proceedings of the IEEE International Conference on 3D System Integration, 2009

3D integration technology for 3D stacked retinal chip.

Yoshiyuki Kaiho, Yuki Ohara, Hirotaka Takeshita, Kouji Kiyoyama, Kang Wook Lee, Tetsu Tanaka, Mitsumasa Koyanagi

Proceedings of the IEEE International Conference on 3D System Integration, 2009