Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7168402 | Intake valve control apparatus and method for an internal combustion engine | Takanobu Sugiyama, Shin Ishizaki, Ryosuke Hiyoshi, Tsuyoshi Arinaga | 2007-01-30 |
| 7165517 | Control apparatus and method for internal combustion engine with variable compression ratio mechanism | Takanobu Sugiyama, Toru Noda, Ryosuke Hiyoshi, Shunichi Aoyama | 2007-01-23 |
| 7073469 | Intake system for an internal combustion engine | Tsuneyasu Nohara, Takanobu Sugiyama | 2006-07-11 |
| 7059280 | Variable compression ratio system for internal combustion engine and method for controlling the system | Tsuneyasu Nohara, Yoshiaki Tanaka, Shunichi Aoyama | 2006-06-13 |
| 6990934 | Internal combustion engine having variable compression ratio mechanism and control method therefor | Takanobu Sugiyama, Ryosuke Hiyoshi, Shunichi Aoyama | 2006-01-31 |
| 6915766 | Compression ratio controlling apparatus and method for spark-ignited internal combustion engine | Shunichi Aoyama, Takanobu Sugiyama, Ryosuke Hiyoshi, Toru Noda | 2005-07-12 |
| 6904467 | Network system, network control method, and signal sender/receiver | — | 2005-06-07 |
| 6886532 | Intake system of internal combustion engine | Tsuneyasu Nohara, Shunichi Aoyama, Takanobu Sugiyama | 2005-05-03 |
| 6883476 | Control system and method for an internal combustion engine | Tsuneyasu Nohara, Takanobu Sugiyama | 2005-04-26 |
| 6792924 | Engine control system of internal combustion engine with variable compression ratio mechanism and exhaust-gas recirculation control system | Shunichi Aoyama, Takanobu Sugiyama, Ryosuke Hiyoshi | 2004-09-21 |
| 6792901 | Control system of internal combustion engine | Takanobu Sugiyama, Shunichi Aoyama, Tsuneyasu Nohara | 2004-09-21 |
| 6691655 | Control system and method for an internal combustion engine | Shunichi Aoyama, Takanobu Sugiyama, Ryosuke Hiyoshi | 2004-02-17 |
| 6691022 | Intake air quantity measurement for internal combustion engine | Shunichi Aoyama, Tsuneyasu Nohara, Takanobu Sugiyama | 2004-02-10 |
| 6684833 | Variable valve mechanism of internal combustion engine | Katsuya Moteki, Yoshiaki Miyazato | 2004-02-03 |
| 6659054 | Internal combustion engine with variable valve control device | Takanobu Sugiyama, Tsuneyasu Nohara | 2003-12-09 |
| 6626135 | Valve drive apparatus for internal combustion engine | Shunichi Aoyama, Tsuneyasu Nohara, Takanobu Sugiyama | 2003-09-30 |
| 6615775 | Variable valve operating system of internal combustion engine enabling variation of valve-lift characteristic and phase | Tsuneyasu Nohara | 2003-09-09 |
| 6598569 | Variable valve timing device of internal combustion engine | Takanobu Sugiyama | 2003-07-29 |
| 6578534 | Variable valve operating system of internal combustion engine enabling variation of valve-lift characteristic | Tsuneyasu Nohara, Takanobu Sugiyama | 2003-06-17 |
| 6575128 | Variable-valve-actuation apparatus for internal combustion engine | Makoto Nakamura, Naoki Okamoto, Seinosuke Hara, Akinori Suzuki, Tsuneyasu Nohara +2 more | 2003-06-10 |
| 6561148 | Variable valve mechanism of internal combustion engine | Katsuya Moteki, Yoshiaki Miyazato | 2003-05-13 |
| 6550436 | Intake valve control device of internal combustion engine | Tsuneyasu Nohara, Shunichi Aoyama | 2003-04-22 |
| 6550437 | Variable-valve-actuation apparatus for internal combustion engine | Makoto Nakamura | 2003-04-22 |
| 6513469 | Variable valve operating system of internal combustion engine | Makoto Nakamura, Naoki Okamoto | 2003-02-04 |
| 6401675 | Variable valve gear device of internal combustion engine | Makoto Nakamura, Naoki Okamoto | 2002-06-11 |