Issued Patents 2003
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 6550437 | Variable-valve-actuation apparatus for internal combustion engine | Makoto Nakamura | 2003-04-22 |
| 6550436 | Intake valve control device of internal combustion engine | Tsuneyasu Nohara, Shunichi Aoyama | 2003-04-22 |
| 6513469 | Variable valve operating system of internal combustion engine | Makoto Nakamura, Naoki Okamoto | 2003-02-04 |