Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850317 | Intake port device | Takehiko Katsumoto, Yoshiaki Danno, Daisuke Sanbayashi, Katsuo Akishino, Osamu Hirako +1 more | 1989-07-25 |
| 4813408 | Engine cooling device | Takehiko Katsumoto, Yoshiaki Danno, Daisuke Sanbayashi, Hidetsugu Kanao, Katsuo Akishino +8 more | 1989-03-21 |
| 4811713 | Vehicle engine controller | Makoto Shimada | 1989-03-14 |