Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868067 | Cooperating slidable aluminum alloy members | Tadayoshi Hayashi, Hideaki Ushio, Kazuo Shibata | 1989-09-19 |
| 4856462 | Cylinder block made of fiber-reinforced light alloy for internal combustion engine | Hideaki Ushio, Tadayoshi Hayashi, Kazuo Shibata, Tsunehisa Hata | 1989-08-15 |
| 4817578 | Internal combustion engine | Hideaki Ushio, Tadayoshi Hayashi, Kazuo Shibata, Tsunehisa Hata | 1989-04-04 |