Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7198531 | Drive shaft supporting structure for jet propulsion watercraft | Mitsuyoshi Nakamura | 2007-04-03 |
| 6857919 | Impeller for marine propulsion device | Tadatsugu Yamamura | 2005-02-22 |
| 6312299 | Induction system for watercraft engine | — | 2001-11-06 |
| 6302752 | Induction system for watercraft engine | Kazumasa Ito, Akitaka Suzuki | 2001-10-16 |
| 6263851 | Air inlet device for watercraft engine | — | 2001-07-24 |
| 6171158 | Cooling system for small watercraft | Yoshihiro Gohara | 2001-01-09 |
| 6016782 | Accelerating pump for watercraft engine | — | 2000-01-25 |
| 6000371 | Accelerating pump for watercraft engine | — | 1999-12-14 |
| 5803775 | Steering arrangement for jet propulsion unit | — | 1998-09-08 |
| 5730633 | Impeller shaft seal and lubricator arrangement | Chihiro Matsumoto | 1998-03-24 |
| 5628269 | Jump pump arrangement for jet boat | Makoto Nagafusa, Susumu Yamazaki | 1997-05-13 |
| 5277631 | Vane arrangement for a water jet propulsion assembly | — | 1994-01-11 |
| 5266009 | Impeller structure for water jet propelled boat | Hiroshi Tasaki | 1993-11-30 |