Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338875 | Silent chain and chain drive system | Kosuke Yabuki | 2025-06-24 |
| 12038068 | Silent chain drive device | Takayuki Morimoto, Kosuke Yabuki, Shigeki Doi, Naoki Okamoto | 2024-07-16 |