Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10643783 | Transformer and DC-DC converter | Yoshihiko Yamaguchi, Makoto Ohashi, Tatsumi Yamamoto | 2020-05-05 |
| 10263429 | Bidirectional DC-DC converter, power conditioner, and distributed power system | Makoto Ohashi, Takeo Nishikawa, Takashi Hyodo, Isao Fujihata, Masaaki Shimizu | 2019-04-16 |
| 10230306 | Bidirectional DC/DC converter | Katsuji Mitsui, Isao Fujihata, Kesanobu Kuwabara, Yoshihiko Yamaguchi, Makoto Ohashi | 2019-03-12 |
| 10008938 | Power conversion device | Isao Fujihata, Kesanobu Kuwabara, Makoto Ohashi, Yoshihiko Yamaguchi | 2018-06-26 |
| 9847723 | Power conversion device | Katsuji Mitsui, Isao Fujihata, Kesanobu Kuwabara, Yoshihiko Yamaguchi, Makoto Ohashi | 2017-12-19 |
| 9837908 | Power conversion device | Katsuji Mitsui, Isao Fujihata, Kesanobu Kuwabara, Yoshihiko Yamaguchi, Makoto Ohashi | 2017-12-05 |
| 5305242 | AC power supply apparatus and load current measurement method in AC power supply apparatus | Noriyoshi Kikuchi | 1994-04-19 |