Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9585293 | Power conversion apparatus | Yasunori Yamanaka, Masafumi Sakai, Kenshiro Morishita, Kazunori Nonoyama | 2017-02-28 |
| 6112711 | Valve performance control apparatus for internal combustion engines | Koichi Shimizu, Hiroyuki Kawase, Hiromasa Suzuki, Yuji Yoshihara | 2000-09-05 |
| 5904226 | Apparatus for supplying oil in engine | Hiroyuki Kawase, Koichi Shimizu, Yuuji Yoshihara, Hiromasa Suzuki | 1999-05-18 |
| 5813376 | Apparatus for supplying oil in engine | Hiroyuki Kawase, Koichi Shimizu, Yuuji Yoshihara, Hiromasa Suzuki | 1998-09-29 |
| 5803029 | Valve performance controller for internal combustion engine | Yuji Yoshihara, Hiroyuki Kawase, Kouichi Shimizu, Hiromasa Suzuki | 1998-09-08 |