Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6684833 | Variable valve mechanism of internal combustion engine | Shinichi Takemura, Yoshiaki Miyazato | 2004-02-03 |
| 6647935 | Reciprocating internal combustion engine | Shunichi Aoyama, Kenshi Ushijima, Ryosuke Hiyoshi | 2003-11-18 |
| 6615773 | Piston control mechanism of reciprocating internal combustion engine of variable compression ratio type | Shunichi Aoyama, Kenshi Ushijima, Ryosuke Hiyoshi | 2003-09-09 |
| 6604495 | Variable compression ratio mechanism for reciprocating internal combustion engine | — | 2003-08-12 |
| 6595186 | Control system and method for an internal combustion engine | Ryosuke Hiyoshi, Shunichi Aoyama, Kenshi Ushijima | 2003-07-22 |
| 6561142 | Crank mechanism of reciprocating internal combustion engine of multi-link type | Shunichi Aoyama, Ryousuke Hiyoshi, Hiroya Fujimoto | 2003-05-13 |
| 6561148 | Variable valve mechanism of internal combustion engine | Shinichi Takemura, Yoshiaki Miyazato | 2003-05-13 |
| 6546900 | Variable compression ratio mechanism for reciprocating internal combustion engine | Takayuki Arai, Ryosuke Hiyoshi | 2003-04-15 |
| 6516757 | Internal combustion engine with a supercharger and an improved piston crank mechanism | Shunichi Aoyama, Takayuki Arai | 2003-02-11 |
| 6510821 | Internal combustion engine with variable compression ratio mechanism | Hiroya Fujimoto | 2003-01-28 |
| 6505582 | Variable compression ratio mechanism of reciprocating internal combustion engine | Hiroya Fujimoto, Shunichi Aoyama | 2003-01-14 |
| 6491003 | Variable compression ratio mechanism for reciprocating internal combustion engine | — | 2002-12-10 |
| 6390035 | Reciprocating internal combustion engine | Takayuki Arai, Hiroya Fujimoto | 2002-05-21 |
| 5988125 | Variable valve actuation apparatus for engine | Seinosuke Hara, Yoshihiko Yamada, Keisuke Takeda, Tsutomu Hibi, Akira Ohnuki +5 more | 1999-11-23 |