Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931118 | Method of manufacturing multiribbed belts | Koji Kitahama, Kyoichi Mishima | 1990-06-05 |
| 4904232 | Power transmission belt | Koji Kitahama | 1990-02-27 |
| 4702729 | Timing belt with controlled friction backside ribs | Hiroyuki Tanaka, Eiichi Takami, Kyoichi Mishima, Mitsunobu Higashi | 1987-10-27 |