Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8894524 | Power transmission chain and power transmission system including the same chain | Seiji Tada, Shigeo Kamamoto, Yasutaka Hojo | 2014-11-25 |
| 8678966 | Power transmission chain and power transmission apparatus including same | Shigeo Kamamoto | 2014-03-25 |
| 7882689 | Method of manufacturing power transmission chain and pretension load device used in manufacture of power transmission chain | Seiji Tada, Kazuo Rokkaku | 2011-02-08 |