Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11248504 | Exhaust device for internal combustion engine | Keisuke Kishikawa, Yoji Fukui, Takuya Otsuka | 2022-02-15 |
| 11236652 | Exhaust device for internal combustion engine | Keisuke Kishikawa, Yoji Fukui, Takuya Otsuka | 2022-02-01 |
| 10787943 | Exhaust device for internal combustion engine | Keisuke Kishikawa, Yoji Fukui, Takuya Otsuka | 2020-09-29 |
| 4809801 | Power-unit support structure of motorcycle | Shigenaga Enoki, Nobuo Yamaguchi | 1989-03-07 |
| 4696364 | Power-unit support structure of motorcycle | Shigenaga Enoki, Nobuo Yamaguchi | 1987-09-29 |