Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844483 | Floating seal device | Yasumi Shiraishi, Shoji Mizoe, Youichi Ogata | 1989-07-04 |
| 4799564 | Electric wheel drive | Kazuo Itami | 1989-01-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844483 | Floating seal device | Yasumi Shiraishi, Shoji Mizoe, Youichi Ogata | 1989-07-04 |
| 4799564 | Electric wheel drive | Kazuo Itami | 1989-01-24 |