Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10323675 | Device with adjustment bolt | Hiroki Oso, Naoya Sakurai, Takumi Fukuda, Mitsugu Okuda, Wataru Iwanaga +1 more | 2019-06-18 |
| 8528533 | Plughole waterproofing device for engine | Shoji Kishi, Makoto Kurahashi, Gakuji Moriya | 2013-09-10 |
| 7950354 | Oil-cooled engine | Minoru Kawahara, Shingo Izumi | 2011-05-31 |
| 6968822 | Engine | Kiichiro Yamada, Shinkichi Iwasaki | 2005-11-29 |
| 6957639 | Inclined engine | Kiichiro Yamada, Shinkichi Iwasaki | 2005-10-25 |
| 6901909 | Centrifugal governor for horizontal diesel engines | Shinkichi Iwasaki | 2005-06-07 |