Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873641 | Induction volume sensing arrangement for an internal combustion engine or the like | Hatsuo Nagaishi, Yasuo Seimiya, Hideyuki Tamura, Hiromichi Miwa, Masaaki Uchida +1 more | 1989-10-10 |
| 4870937 | Air fuel mixture A/F control system | Katsunori Terasaka, Toyoaki Nakagawa | 1989-10-03 |