Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4469052 | Cooling system in a liquid cooled internal combustion engine | Tetsuzo Fujikawa, Hitoshi Yamamoto | 1984-09-04 |
| 4382426 | Cooling system in a liquid cooled internal combustion engine | Tetsuzo Fujikawa, Hitoshi Yamamoto | 1983-05-10 |
| 4343377 | Crank mechanism lubricating system | Shinichi Tamba, Hitoshi Yamamoto | 1982-08-10 |