Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6109223 | Operating method of two stroke direct injected engine | Yu Motoyama, Hidehiro Nishimura | 2000-08-29 |
| 5715794 | Engine control system and method | Michihisa Nakamura, Noritaka Matsuo | 1998-02-10 |
| 5605119 | Exhaust control valve for engine | Tatsuyuki Masuda, Michihisa Nakamura, Hidenori Suhara | 1997-02-25 |
| 5410993 | Exhaust control valve for engine | Tatsuyuki Masuda, Michihisa Nakamura, Hidenori Suhara | 1995-05-02 |