Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873945 | Cylinder block construction for V-type engines | Shinichi Tamba | 1989-10-17 |
| 4870928 | Two-cylinder engine | Shigeru Nishimura | 1989-10-03 |
| 4862981 | Internal combustion engine and devices employing same | Tetsuzo Fujikawa, Keisuke Tomonaga, Shinichi Tamba | 1989-09-05 |