Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8371972 | Power unit and straddle-type vehicle | Tsuyoshi Sugitani, Atsushi Aoyama | 2013-02-12 |
| 8215439 | Dry clutch, and motorcycle equipped with the same | Tsuyoshi Sugitani, Fumio Takeda, Atsushi Aoyama, Kotaro Katsuno | 2012-07-10 |