Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854271 | Intake manifold assembly for engines | Hideyo Miyano | 1989-08-08 |
| 4846768 | Variable-speed driving device | Hidenori Tezuka, Syuji Watanabe | 1989-07-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854271 | Intake manifold assembly for engines | Hideyo Miyano | 1989-08-08 |
| 4846768 | Variable-speed driving device | Hidenori Tezuka, Syuji Watanabe | 1989-07-11 |