Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852010 | Learning control method for internal combustion engines | Seiji Suda, Nobuo Satou | 1989-07-25 |
| 4837698 | Method of controlling air-fuel ratio | Masami Shida, Masahide Sakamoto, Takeshi Hirayama, Takao Sasayama | 1989-06-06 |