Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873953 | Induction port arrangement for internal combustion engine having multiple inlet valves per combustion chamber | Shigeo Muranaka, Junichi Yokoyama, Yutaka Matayoshi, Shigeru Kamegaya | 1989-10-17 |