| 2024 | KES | Learning Neural Network Circuit based on Logarithmic Multipliers. | Masashi Kawaguchi, Naohiro Ishii, Masayoshi Umeno |
| 2015 | IECON | Pursuit of simple power conditioner for photovoltaic small power generation. | Keiju Matsui, Eiji Oishi, Yasutaka Kawata, Mikio Yasubayashi, Masayoshi Umeno, Hideo Uchida, Masaru Hasegawa |
| 2015 | KES | Analog Neural Circuit and Hardware Design of Deep Learning Model. | Masashi Kawaguchi, Naohiro Ishii, Masayoshi Umeno |
| 2004 | KES | Analog VLSI Layout Design of Motion Detection for Artificial Vision Model. | Masashi Kawaguchi, Takashi Jimbo, Masayoshi Umeno, Naohiro Ishii |
| 2003 | ICANN | Direction Selective Two-Dimensional Analog Circuits Using Biomedical Vision Model. | Masashi Kawaguchi, Kazuyuki Kondo, Takashi Jimbo, Masayoshi Umeno |
| 2003 | KES | Direction Selective Artificial Vision Model and the Layout for Analog VLSI. | Masashi Kawaguchi, Takashi Jimbo, Masayoshi Umeno, Naohiro Ishii |
| 1998 | ICONIP | Vision Supporting System for Car Driver using Neural Network. | Masashi Nakamura, Syusaku Kodama, Noboru Kitamura, Masayoshi Umeno |