Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934965 | Exhaust system for small watercraft | Hajime Shogase, Masatsugu Matsumoto, Junji Higashiyama | 2011-05-03 |
| 7886870 | Exhaust apparatus for small boat | Masatsugu Matsumoto | 2011-02-15 |
| 7575489 | Small watercraft capable of suppressing vibration and noise of the vessel body | Shintaro Abe, Tsuyoshi Kumasaka, Hiroshi Iwakami | 2009-08-18 |
| 7066135 | Intake system for a vehicle engine | Yuzuru Ishikawa, Yoshiteru Kinoshita, Takashi Kudo | 2006-06-27 |
| 6701961 | Reed valve | Hiroshi Okuyama, Hiroatsu Inui, Kiyoshi Kidachi, Eizaburo Chiba, Mikio Satoh | 2004-03-09 |
| 4348199 | Buffer device for a roller chain and sprocket coupling | Koichiro Oonuma, Yoshinori Kawashima | 1982-09-07 |