Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8137428 | Exhaust gas purification apparatus for internal combustion engine | — | 2012-03-20 |
| 7469611 | Vehicular power unit with improved transmission structure | Yuichi Tawarada | 2008-12-30 |
| 7201119 | Vehicular power unit | Yuichi Tawarada, Eiko Shiozaki, Kazuyuki Nakai | 2007-04-10 |
| 7198021 | Powertrain assembly including modular transmission | Toru Gunji | 2007-04-03 |
| 7174800 | Speed change gear drive for transmission | Toru Gunji | 2007-02-13 |
| 7155996 | Lubrication system for a transmission gear mechanism | Toru Gunji | 2007-01-02 |
| 7121373 | Motorcycle | Toru Gunji, Hiromi Sumi | 2006-10-17 |
| 7104239 | Engine crankcase structure | Toru Gunji | 2006-09-12 |
| 7096753 | Engine having a cartridge type transmission | Toru Gunji, Hiromi Sumi | 2006-08-29 |
| 7055487 | Vehicle engine | Toru Gunji, Hiroshi Nakagome, Toshihisa Nagashii | 2006-06-06 |
| 7055383 | Gear position detection system for a transmission | Toru Gunji | 2006-06-06 |
| 7021267 | Multi-cylinder internal combustion engine and vehicle incorporating same | Toru Gunji, Hiromi Sumi | 2006-04-04 |
| 6971362 | Threaded fastener for an internal combustion engine, and internal combustion engine incorporating same | Toru Gunji, Hisao Otsuka | 2005-12-06 |
| 6945213 | Cylinder block for multicylinder engine | Tetsuya Nakayasu, Tadashi Kato, Nobuyuki Oya, Tatsuya Hirata | 2005-09-20 |
| 6739291 | Piston cooling device for multicylinder engine | Tetsuya Nakayasu | 2004-05-25 |
| 5960761 | Engine with balancer device for vehicle | Tadashi Katoh, Atsushi Ogasawara | 1999-10-05 |
| 5626111 | Structure for blocking oil supply hole of kick idle gear bearing portion | Satoru Narita | 1997-05-06 |
| 5588405 | Arrangement of oil passage to valve system | Atsushi Sawa | 1996-12-31 |
| 5499604 | Positive crank ventilation apparatus for an engine system | Eiji Ito, Tetsushi Suzuki, Kaoru Ito | 1996-03-19 |
| 5218885 | Engine balancing and improvements thereof | Shinichi Nakano, Toshio Shimada, Hiroshi Wakoh | 1993-06-15 |