Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854281 | Internal combustion engine | Shokichi Hareyama | 1989-08-08 |
| 4846125 | Internal combustion engine | Shokichi Hareyama | 1989-07-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854281 | Internal combustion engine | Shokichi Hareyama | 1989-08-08 |
| 4846125 | Internal combustion engine | Shokichi Hareyama | 1989-07-11 |