Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6925977 | Valve timing controller for internal combustion engine | Seiji Hirowatari, Masanao Idogawa | 2005-08-09 |
| 6904881 | Apparatus and method for controlling internal combustion engine | Seiji Hirowatari, Masanao Idogawa, Isao Takagi | 2005-06-14 |