Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9464699 | Chain guide and chain transmission device | Akio Kato, Shinji Oishi | 2016-10-11 |
| 9400046 | Chain guide and chain transmission device | Akio Kato, Shinji Oishi, Makoto Okasaka, Takashi Tsujimoto | 2016-07-26 |