Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878887 | Endless transmission belt | Shiro Sakakibara, Yoshiaki Kano | 1989-11-07 |
| 4838844 | Endless transmission belt | Shiro Sakakibara, Takashi Furuya | 1989-06-13 |
| 4822323 | Endless transmission belt | Shiro Sakakibara | 1989-04-18 |