Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850791 | Oil jet device | — | 2017-12-26 |
| 9279359 | Piston cooling apparatus | Tomokazu Kobayashi, Takayuki Osako, Masatoshi Ito, Kenichi Nishimura, Keiji Yamamoto +1 more | 2016-03-08 |
| 8967093 | Piston cooling system | Kenichi Nishimura, Keiji Yamamoto, Masaki Sabato | 2015-03-03 |
| 8490768 | Multi-plate clutch system | Jun Miyazaki, Yoshinobu Shiomi | 2013-07-23 |
| 8459428 | Electronic clutch control apparatus for vehicle | Koshi Hayakawa, Akihiko Tomoda | 2013-06-11 |
| 8448770 | Multiplate clutch | Yoshinobu Shiomi, Hirotaka Kawatsu, Katsumi Sato, Taito Kobayashi | 2013-05-28 |
| 8424662 | Multi-plate clutch system | Jun Miyazaki, Yoshinobu Shiomi, Michitaka Ogata | 2013-04-23 |
| 8336691 | Multi-plate clutch | Yoshinobu Shiomi | 2012-12-25 |
| 8302752 | Multi-plate clutch | Takafumi Asakura, Hirotaka Kawatsu | 2012-11-06 |
| 8272489 | Multiple disc clutch | Hirotaka Kawatsu | 2012-09-25 |
| 8256595 | Multiple disc clutch | Hirotaka Kawatsu | 2012-09-04 |
| 8240445 | Multiplate clutch and motor vehicle having the same | Yoshinobu Shiomi | 2012-08-14 |
| 8215469 | Multiple disk clutch | Hirotaka Kawatsu | 2012-07-10 |
| 7377350 | Disposition structure of heat exchanger in motorcycle | Yasushi Takahashi | 2008-05-27 |
| 7337755 | Cylinder head cooling structure for an internal combustion engine, including an oil temperature sensor and an oil temperature control system | Katsuji Yamamoto | 2008-03-04 |
| 7174867 | Air-cooled internal combustion engine | Masazumi Naito | 2007-02-13 |
| 7165516 | Cooling unit for air-cooled internal combustion engine | Yasushi Takahashi | 2007-01-23 |
| 7044283 | Dry multiple-disk clutch | Hideaki Segami, Norihiro Sugita | 2006-05-16 |
| 6942017 | Intercooler | Fujio Umebayashi, Kazuhiko Tomoda, Kenji Okubo, Kouichi Takeshita, Kazuhiro Yamashita +1 more | 2005-09-13 |
| 6910525 | Heat exchanger | Kazuhiko Tomoda | 2005-06-28 |
| 6823967 | Lubricating apparatus for dry sump type engine | Yosuke Hoi, Kazuhiko Tomoda, Hitoshi Yokotani | 2004-11-30 |
| 6810869 | Ignition device for personal watercraft engine | Toru Hasegawa | 2004-11-02 |
| 6789650 | Oil jet device for piston cooling | Hitoshi Yokotani | 2004-09-14 |
| 6763814 | Oil tank system for engine | — | 2004-07-20 |
| 6752010 | Sensor arrangement structure for personal watercraft | Kazuhito Hotta | 2004-06-22 |