Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659054 | Internal combustion engine with variable valve control device | Takanobu Sugiyama, Shinichi Takemura | 2003-12-09 |
| 6626135 | Valve drive apparatus for internal combustion engine | Shinichi Takemura, Shunichi Aoyama, Takanobu Sugiyama | 2003-09-30 |
| 6615775 | Variable valve operating system of internal combustion engine enabling variation of valve-lift characteristic and phase | Shinichi Takemura | 2003-09-09 |
| 6578534 | Variable valve operating system of internal combustion engine enabling variation of valve-lift characteristic | Takanobu Sugiyama, Shinichi Takemura | 2003-06-17 |
| 6575128 | Variable-valve-actuation apparatus for internal combustion engine | Makoto Nakamura, Naoki Okamoto, Seinosuke Hara, Akinori Suzuki, Shinichi Takemura +2 more | 2003-06-10 |
| 6550436 | Intake valve control device of internal combustion engine | Shinichi Takemura, Shunichi Aoyama | 2003-04-22 |
| 6513467 | Variable valve control device of internal combustion engine | Takanobu Sugiyama | 2003-02-04 |