Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883715 | Elastic rotatable member | Tsukasa Kuge, Isamu Sakane | 1989-11-28 |
| 4842944 | Elastic rotatable member | Tsukasa Kuge, Isamu Sakane | 1989-06-27 |
| 4804576 | Elastic rotatable member | Tsukasa Kuge, Isamu Sakane | 1989-02-14 |