Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10094276 | Multi-link piston-crank mechanism for internal combustion engine | Satoru Okuma, Takashi Tanabe | 2018-10-09 |
| 10087833 | Double-link piston crank mechanism for internal combustion engine | Takashi Tanabe | 2018-10-02 |
| 9945274 | Multi-link piston-crank mechanism for internal combustion engine | Satoru Okuma, Takashi Tanabe | 2018-04-17 |
| 9856907 | Double-link piston crank mechanism for internal combustion engine | Takashi Tanabe, Makoto Kobayashi | 2018-01-02 |
| 7669559 | Internal combustion engine | Shunichi Aoyama, Kenshi Ushijima, Shinichi Takemura, Hideaki Mizuno | 2010-03-02 |
| 7594467 | Internal combustion engine with improved thermal efficiency | Shunichi Aoyama, Kenshi Ushijima | 2009-09-29 |
| 7392781 | Crankshaft of piston crank mechanism | Naoki Takahashi, Hideaki Mizuno, Yoshimi Nunome | 2008-07-01 |
| 7363902 | Engine overall height reduction | Kenshi Ushijima, Shunichi Aoyama, Naoki Takahashi | 2008-04-29 |
| 7360513 | Internal combustion engine that uses a variable compression ratio device | Shinichi Takemura, Takanobu Sugiyama, Yoshiaki Tanaka | 2008-04-22 |
| 7357104 | Internal combustion engine piston crank mechanism | Makoto Kobayashi, Kenshi Ushijima, Hideaki Mizuno | 2008-04-15 |
| 7290507 | Lower link for piston crank mechanism of engine | Hideaki Mizuno, Kenshi Ushijima, Takashi Mori | 2007-11-06 |
| 7290508 | Lower link for piston crank mechanism of internal combustion engine | Hideaki Mizuno, Shunichi Aoyama, Kenshi Ushijima | 2007-11-06 |
| 7228838 | Internal combustion engine | Shunichi Aoyama, Shinichi Takemura | 2007-06-12 |
| 7191741 | Pin connected link mechanism | Ryosuke Hiyoshi, Kenshi Ushijima, Yoshiaki Tanaka, Shunichi Aoyama, Naoki Takahashi | 2007-03-20 |
| 7159543 | Controlling an engine with a multi link-type piston crank mechanism | Isamu Hotta, Toru Noda, Masaaki Kubo | 2007-01-09 |
| 7121251 | Multi-link piston crank mechanism for internal combustion engine | Masashi Imadu, Naoki Takahashi, Kenshi Ushijima | 2006-10-17 |
| 7117838 | Internal combustion engine | Shunichi Aoyama, Kenshi Ushijima, Naoki Takahashi | 2006-10-10 |
| 7100548 | V-type 8-cylinder four cycle internal combustion engine | Naoki Takahashi, Masayuki Hara, Hajime Miura | 2006-09-05 |
| 7021269 | Lower link of piston crank mechanism for internal combustion engine | Naoki Takahashi, Kenshi Ushijima | 2006-04-04 |
| 6920847 | Reciprocating engine with a variable compression ratio mechanism | Ryosuke Hiyoshi, Kenshi Ushijima, Yoshiteru Yasuda | 2005-07-26 |
| 6877463 | Link mechanism of reciprocating internal combustion engine | Shunichi Aoyama, Kenshi Ushijima, Ryosuke Hiyoshi | 2005-04-12 |
| 6769404 | Combustion control system for spark-ignition internal combustion engine with variable piston strike characteristic mechanism and variable valve operating mechanism | Shunichi Aoyama | 2004-08-03 |
| 6732682 | Control system and method for an internal combustion engine | Shunichi Aoyama, Kenshi Ushijima, Ryosuke Hiyoshi | 2004-05-11 |
| 6729273 | Piston actuation system of V-type engine with variable compression ratio mechanism | Shunichi Aoyama, Hiroya Fujimoto | 2004-05-04 |
| 6684828 | Variable compression ratio mechanism for reciprocating internal combustion engine | Kenshi Ushijima, Shunichi Aoyama, Ryosuke Hiyoshi, Yoshiaki Tanaka | 2004-02-03 |