Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767311 | Vehicle starting clutch control device | Mitsuo Kitada | 2004-07-27 |
| 5669280 | Hydraulic control apparatus | Tsunefumi Niiyama, Kazuhisa Yamamoto | 1997-09-23 |
| 5630492 | Oil supplying and discharging structure for canceller in hydraulic clutch | Kazuhisa Yamamoto, Yoichi Kojima, Yoshihiro Kodama | 1997-05-20 |
| 4875450 | Ignition timing controlling device for an internal combustion engine | Makoto Kawai | 1989-10-24 |
| 4846128 | Ignition timing control system for internal combustion engine | Shizuo Yagi, Yoshiaki Hirosawa, Makoto Kawai, Yorihisa Yamamoto, Kenichi Nakamura | 1989-07-11 |
| 4748952 | Ignition timing control system for internal combustion engine | Shizuo Yagi, Yoshiaki Hirosawa, Makoto Kawai, Yorihisa Yamamoto, Kenichi Nakamura | 1988-06-07 |
| 4745902 | Ignition timing control method for internal combustion engine | Shizuo Yagi, Yoshiaki Hirosawa, Makoto Kawai, Yorihisa Yamamoto, Kenichi Nakamuna | 1988-05-24 |
| 4741310 | Ignition timing control system for internal combustion engine | Shizuo Yagi, Yoshiaki Hirosawa, Makoto Kawai, Yorihisa Yamamoto, Kenichi Nakamura | 1988-05-03 |