Issued Patents All Time
Showing 51–75 of 140 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613887 | Jet propulsion unit condition indicator | — | 1997-03-25 |
| 5607332 | Control for jet powered watercraft | Tomoyoshi Koyanagi | 1997-03-04 |
| 5603644 | Jet propulsion boat | Yoshiki Futaki | 1997-02-18 |
| 5593330 | Lock system for a watercraft | — | 1997-01-14 |
| 5586921 | Watercraft | Tomoyoshi Koyanagi, Keijiro Ikeda | 1996-12-24 |
| 5586922 | Watercraft | Tomoyoshi Koyanagi, Keijiro Ikeda | 1996-12-24 |
| 5584733 | Personal jet propelled watercraft | — | 1996-12-17 |
| 5572943 | Personal watercraft with v-type engine | Yoshiyuki Kaneko | 1996-11-12 |
| 5546868 | Variable wheel-spacing truck | Sunao Sugimoto, Mitsuji Yoshino | 1996-08-20 |
| 5542862 | Watercraft with pivot control | — | 1996-08-06 |
| 5537948 | Water vehicle with hand grip | — | 1996-07-23 |
| 5522742 | Clean-out arrangement for jet propelled watercraft | Yoshiki Futaki | 1996-06-04 |
| 5520558 | Jet propulsion unit for a watercraft | — | 1996-05-28 |
| 5511505 | Personal watercraft with V-type engine | Yoshiyuki Kaneko | 1996-04-30 |
| 5494464 | Control for jet powered watercraft | Tomoyoshi Koyanagi | 1996-02-27 |
| 5492076 | Patrol boat | — | 1996-02-20 |
| 5476060 | Cabin for docking watercraft | — | 1995-12-19 |
| 5474465 | Waterproof connector | — | 1995-12-12 |
| 5474007 | Control system for watercraft | — | 1995-12-12 |
| 5471933 | Truck wheel-spacing changing method, and variable wheel-spacing truck, and ground facility therefor | Mitsuji Yoshino, Sunao Sugimoto | 1995-12-05 |
| 5453572 | Docking watercraft | Toshiyuki Hattori | 1995-09-26 |
| 5449305 | Watercraft | Tomoyoshi Koyanagi, Keijiro Ikeda | 1995-09-12 |
| 5447116 | Personal watercraft | — | 1995-09-05 |
| 5438946 | Personal jet propelled watercraft | — | 1995-08-08 |
| 5437568 | Water jet propulsion unit | — | 1995-08-01 |