Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4271801 | Internal combustion engine with twin intake ports for each cylinder | Yoshio Yamakawa, Hidetaka Nohira | 1981-06-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4271801 | Internal combustion engine with twin intake ports for each cylinder | Yoshio Yamakawa, Hidetaka Nohira | 1981-06-09 |