Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913657 | Variable valve timing mechanism | Hayato Maehara, Takaaki Tsukui, Shinji Saito | 2011-03-29 |
| 7694657 | Engine for motorcycle | Hiroyuki Sugiura | 2010-04-13 |
| 7261079 | Oil strainer support structure in engine | Hiroyuki Sugiura | 2007-08-28 |
| 7198021 | Powertrain assembly including modular transmission | Hiroyuki Kawakubo | 2007-04-03 |
| 7174800 | Speed change gear drive for transmission | Hiroyuki Kawakubo | 2007-02-13 |
| 7155996 | Lubrication system for a transmission gear mechanism | Hiroyuki Kawakubo | 2007-01-02 |
| 7121373 | Motorcycle | Hiroyuki Kawakubo, Hiromi Sumi | 2006-10-17 |
| 7104239 | Engine crankcase structure | Hiroyuki Kawakubo | 2006-09-12 |
| 7096753 | Engine having a cartridge type transmission | Hiroyuki Kawakubo, Hiromi Sumi | 2006-08-29 |
| 7055383 | Gear position detection system for a transmission | Hiroyuki Kawakubo | 2006-06-06 |
| 7055487 | Vehicle engine | Hiroyuki Kawakubo, Hiroshi Nakagome, Toshihisa Nagashii | 2006-06-06 |
| 7021267 | Multi-cylinder internal combustion engine and vehicle incorporating same | Hiroyuki Kawakubo, Hiromi Sumi | 2006-04-04 |
| 6981473 | Cylinder head for an internal combustion engine | Hiromi Sumi | 2006-01-03 |
| 6971362 | Threaded fastener for an internal combustion engine, and internal combustion engine incorporating same | Hiroyuki Kawakubo, Hisao Otsuka | 2005-12-06 |