Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439175 | Control apparatus and method for internal combustion engine with variably operated engine valve | Masahiro Arai | 2002-08-27 |
| 6412458 | Valve timing control for engine | Masahiro Arai | 2002-07-02 |
| 6390063 | Intake-air quantity control apparatus for internal combustion engine with variable valve timing system | Takeaki Obata, Masahiro Arai | 2002-05-21 |