Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8135089 | Digital transmission apparatus | Keiju Ito | 2012-03-13 |
| 8092264 | Marine vessel | Wataru Ikeya | 2012-01-10 |
| 8033878 | Vessel speed control system for small planing boat and small planing boat utilizing the same | Susumu Shibayama, Mitsuyoshi Nakamura | 2011-10-11 |
| 7654242 | Multiple-cylinder engine for planing water vehicle | — | 2010-02-02 |
| 7647143 | Speed control device for water jet propulsion boat | Kazumasa Ito, Motohiro Oshiro | 2010-01-12 |
| 7549900 | Operation control apparatus for planing boat | Kenichi Fujino, Sumihiro Takashima, Tatsuya Yoshida, Masaru Suzuki, Toshiyuki Hattori | 2009-06-23 |
| 7513807 | Operation control system for planing boat | Sumihiro Takashima, Shu Akuzawa, Kazumasa Ito, Toshiyuki Hattori, Fujino Kenichi +2 more | 2009-04-07 |
| 7422495 | Operation control system for small boat | Sumihiro Takashima, Shu Akuzawa, Kazumasa Ito, Toshiyuki Hattori | 2008-09-09 |
| 7384321 | Throttle opening controller for small planing boat | Hitoshi Muramatsu, Shigeaki Miyata | 2008-06-10 |
| 7364480 | Engine output control system for water jet propulsion boat | Kazumasa Ito | 2008-04-29 |
| 7273033 | Engine control device | — | 2007-09-25 |
| 7207856 | Engine control device | Yasuhiko Ishida | 2007-04-24 |
| 7201620 | Operation control system for planing boat | Sumihiro Takashima, Shu Akuzawa, Kazumasa Ito, Toshiyuki Hattori | 2007-04-10 |
| 7163000 | Engine control device | Yasuhiko Ishida | 2007-01-16 |
| 7160158 | Engine control arrangement for watercraft | — | 2007-01-09 |
| 7134925 | Small watercraft with structure inhibiting water from entering engine | — | 2006-11-14 |
| 7037147 | Engine control system for watercraft | Kazumasa Ito | 2006-05-02 |
| 6855014 | Control for watercraft propulsion system | Kazumasa Ito | 2005-02-15 |
| 6551156 | Induction system for personal watercraft | Mitsuyoshi Nakamura | 2003-04-22 |