Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8042420 | Twin clutch type speed-change apparatus | Kousuke Tsunashima, Hiroyuki Kojima | 2011-10-25 |
| 8028785 | Electric motorcycle | Hiroyuki Kikuchi | 2011-10-04 |
| 7980122 | Internal combustion engine | Yasushi Fujimoto, Hiroyuki Kojima | 2011-07-19 |
| 7931110 | Electric motorcycle | Hisao Nishiura, Toshiaki Takamura | 2011-04-26 |