Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651692 | Structure of divided combustion chamber for diesel engine | Akinori Wakasa, Yutaka Ogawa, Takayuki Ogasawara | 1987-03-24 |
| 4577600 | Structure of divided combustion chamber for diesel engine | Akinori Wakasa, Yutaka Ogawa, Takayuki Ogasawara | 1986-03-25 |