Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8771118 | Chain tensioner device | Shinji Yamada, Yuji Matsumochi, Yuuji Fujimoto, Yojiro Koiwa | 2014-07-08 |
| 8137225 | Chain tensioner device | Shinji Yamada, Yuji Matsumochi, Yuuji Fujimoto, Yojiro Koiwa | 2012-03-20 |