Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883039 | Fuel supply control method for internal combustion engines | Masayuki Ueno, Hisashi Igarashi | 1989-11-28 |
| 4825834 | Fuel supply control method for internal combustion engines | Masayuki Ueno, Hisashi Igarashi | 1989-05-02 |
| 4805579 | Method of controlling fuel supply during acceleration of an internal combustion engine | Tadashi Umeda, Hisashi Igarashi | 1989-02-21 |