Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11939037 | Outboard motor | — | 2024-03-26 |
| 11459925 | Exhaust gas purification structure and outboard motor | — | 2022-10-04 |
| 9541122 | Outboard motor | Kazuhiro Ishizaka, Haruo Tsusaka, Tetsuro Ikeno, Tomoharu Tajima | 2017-01-10 |
| 7121248 | Vertical engine | Hiroki Tawa, Kazuhiro Ishizaka | 2006-10-17 |
| 7100563 | Vertical engine and outboard engine system | Hiroki Tawa | 2006-09-05 |
| 7082900 | Outboard engine system | Hiroki Tawa | 2006-08-01 |
| 7069882 | Water-cooled engine | Makoto Yonezawa, Hiroki Tawa | 2006-07-04 |
| 7066134 | Vertical engine | Hiroki Tawa, Kazuhiro Ishizaka | 2006-06-27 |
| 7055488 | Vertical engine | Hiroki Tawa, Kazuhiro Ishizaka | 2006-06-06 |
| 7029346 | Vertical engine and outboard engine system | Hiroyuki Yoshida, Hiroki Tawa | 2006-04-18 |
| 6962047 | Engine intake A/F ratio control system in outboard engine system | Hiroyuki Yoshida, Toyokazu Kawasaki | 2005-11-08 |
| 6598566 | Water-cooled outboard marine engine | Kouji Yasuda, Hideaki Takada, Mitsuharu Tanaka | 2003-07-29 |
| 6526269 | Weather broadcast scanning transceiver | — | 2003-02-25 |
| 6460330 | Engine intake A/F ratio control system in outboard engine system | Hiroyuki Yoshida, Toyokazu Kawasaki | 2002-10-08 |
| 6394079 | Gas-liquid separation device for internal combustion engine used in outboard motor | Hideaki Takada, Hiroki Tawa | 2002-05-28 |
| 5486125 | Drive transmission system for vessel propelling equipment | Chiharu Soda, Yasushi Fujita, Kaoru Ichihashi | 1996-01-23 |