Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838226 | Apparatus for controlling intake air flow rate in internal combustion engine | Toshio Matsuzawa, Akira Muramatsu, Tomoaki Abe, Masashi Kiyono, Shigeru Kamio +2 more | 1989-06-13 |