Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873960 | Electronically-controlled fuel injection system for internal combustion engines | Hiroshi Kamifuji, Yoshiyuki Tanabe | 1989-10-17 |
| 4860211 | Air fuel ratio control apparatus | Keiji Hatanaka, Kiyotoshi Sakuma, Junji Miyake | 1989-08-22 |
| 4817570 | Method of and apparatus for fuel control | Junji Kiyake, Keiji Hatanaka, Kiyotoshi Sakuma | 1989-04-04 |
| 4817571 | Method and apparatus for fuel control | Junji Miyake, Keiji Hatanaka, Kiyotoshi Sakuma | 1989-04-04 |