Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698779 | Apparatus for detecting intake air quantity of internal combustion engine having mechanism for continuously varying valve timing | — | 1997-12-16 |
| 5613360 | Warming up control device for a catalytic converter for an internal combustion engine | Akira Iwai, Yasuhito Tsutsumi | 1997-03-25 |