Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10230306 | Bidirectional DC/DC converter | Masayuki Suetomi, Katsuji Mitsui, Isao Fujihata, Yoshihiko Yamaguchi, Makoto Ohashi | 2019-03-12 |
| 10008938 | Power conversion device | Isao Fujihata, Masayuki Suetomi, Makoto Ohashi, Yoshihiko Yamaguchi | 2018-06-26 |
| 9847723 | Power conversion device | Masayuki Suetomi, Katsuji Mitsui, Isao Fujihata, Yoshihiko Yamaguchi, Makoto Ohashi | 2017-12-19 |
| 9837908 | Power conversion device | Masayuki Suetomi, Katsuji Mitsui, Isao Fujihata, Yoshihiko Yamaguchi, Makoto Ohashi | 2017-12-05 |
| 8164276 | LED drive device, LED drive method and lighting system | — | 2012-04-24 |
| 7615984 | DC-DC converter and method of controlling thereof | — | 2009-11-10 |
| 7245087 | Power conversion device | Yukihiro Nishikawa | 2007-07-17 |
| 7206209 | Switching power supply apparatus with error amplification control | — | 2007-04-17 |