Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7418886 | Split type connecting rod | Tsuyoshi Kubota, Shinya Iwasaki | 2008-09-02 |
| 7299716 | Split type connecting rod | Akitoshi Nakajima, Satoshi Kikuchi, Tsuyoshi Kubota, Shinya Iwasaki | 2007-11-27 |
| 7159559 | Split connecting rod, engine and vehicle | Shinya Iwasaki, Tsuyoshi Kubota | 2007-01-09 |
| 6961997 | Fracture split method for connecting rod | Tsuyoshi Kubota, Shinya Iwasaki | 2005-11-08 |
| 5060745 | Engine mounting arrangement and drive mechanism for small snowmobiles | Toshihiro Yasui, Masanori Sugita, Haruhiko Nakanosono | 1991-10-29 |
| 4917207 | Engine mounting arrangement and drive mechanism for small snowmobiles | Toshihiro Yasui, Masanori Sugita, Haruhiko Nakanosono | 1990-04-17 |
| 4892164 | Frame and body construction for small snowmobile | Toshihiro Yasui, Masanori Sugita | 1990-01-09 |