Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360353 | Power transmission system | Yoshiyuki Hattori, Kazuma Matsui | 1982-11-23 |
| 4344338 | Power transmission device | Yoshiyuki Hattori, Kazuma Matsui | 1982-08-17 |
| 4338081 | Torque transmission belt means | Yoshiyuki Hattori, Kazuma Matsui | 1982-07-06 |