Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6893303 | Personal watercraft | — | 2005-05-17 |
| 6875068 | Cover structure for a shaft coupling of a personal watercraft | Hisashi Matsuo, Masahiko Tsuchiya | 2005-04-05 |
| 6875065 | Trim operating lever device for personal watercraft | Masahiko Tsuchiya, Takao Kochi, Hiroshi Iwakami, Jun Nakajima | 2005-04-05 |
| 6872110 | Water jet propeller apparatus for a personal watercraft | — | 2005-03-29 |
| 6872108 | Drive shaft bearing structure for watercraft | Masahiko Tsuchiya | 2005-03-29 |
| 6855019 | Jet propulsion watercraft | Takao Kochi, Jo Yoshida | 2005-02-15 |
| 6840826 | Water jet propulsion apparatus | Masahiko Tsuchiya | 2005-01-11 |
| 6776675 | Jet propulsion boat | — | 2004-08-17 |
| 6729917 | Water jet propulsion apparatus | — | 2004-05-04 |
| 6729918 | Jet-propelled watercraft | Jun Nakajima | 2004-05-04 |
| 6729920 | Coupler mounting structure for vessels | Masahiko Tsuchiya | 2004-05-04 |
| 6716075 | Steering nozzle angle adjusting mechanism for jet propulsion watercraft | Yoshiaki Noda | 2004-04-06 |
| 6708634 | Output power shaft structure for personal watercraft | Yoshitsugu Gokan | 2004-03-23 |
| 6699084 | Drive shaft bearing structure for boat | Masahiko Tsuchiya | 2004-03-02 |
| 6695656 | Drive shaft support structure for small watercraft | Masahiko Tsuchiya | 2004-02-24 |
| 6666736 | Water jet propulsion apparatus | Masahiko Tsuchiya | 2003-12-23 |
| 6659816 | Water jet propeller | — | 2003-12-09 |
| 6659819 | Drive shaft connecting structure | — | 2003-12-09 |
| 6612883 | Output shaft structure of personal watercraft | Yoshitsugu Gokan | 2003-09-02 |
| 6189639 | Chain roller structure in chain driven vehicle | Kazuhiko Gogo | 2001-02-20 |