Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883024 | Water-cooling system for a water-cooled horizontal cylinder engine | Koji Iwai, Tsuyoshi Nishida, Junji Kimura | 1989-11-28 |
| 4856470 | Engine working machine assembly with soundproof cover | Akira Ishii | 1989-08-15 |