Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8051819 | Crankcase structure for an overhead-camshaft internal combustion engine, and engine incorporating same | Hiroshi Kuribara, Shinichiro Keyaki, Toru Nishi | 2011-11-08 |
| 7743758 | Breather structure for internal combustion engine | Shinichiro Keyaki, Toru Nishi, Hiromi Sumi | 2010-06-29 |
| 6571758 | Four-stroke internal combustion engine valve pause mechanism | Takaaki Tsukui, Yoshiki Nagahashi | 2003-06-03 |