Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11387794 | Power amplifier circuit including multiple inverters connected in parallel | Tetsuo Hirano, Takashi Ohira, Naoki Sakai, Takaaki Masaki | 2022-07-12 |
| 9203399 | Drive circuit for switching element | Akihiro Yamaguchi | 2015-12-01 |
| 7778054 | Power switching circuit improved to reduce loss due to reverse recovery current | Takeshi Inoue, Tomonori Kimura | 2010-08-17 |
| 7714624 | Method for controlling vertical type MOSFET in bridge circuit | Hisashi Takasu, Takeshi Inoue, Tomonori Kimura | 2010-05-11 |
| 7122982 | DC motor rotation information detecting device | Michiru Takahashi | 2006-10-17 |
| 6191007 | Method for manufacturing a semiconductor substrate | Masaki Matsui, Shoichi Yamauchi, Hisayoshi Ohshima, Kunihiro Onoda, Akiyoshi Asai +2 more | 2001-02-20 |
| 6188526 | Variable focus lens device having temperature fluctuation compensating feature for lens device liquid | Takashi Kaneko, Nobuaki Kawahara | 2001-02-13 |