Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862855 | Control apparatus for internal combustion engine | Toshio Manaka, Akira Teragakiuchi, Masahide Sakamoto, Masami Nagano, Masakatsu Fujishita | 1989-09-05 |
| 4860211 | Air fuel ratio control apparatus | Keiji Hatanaka, Kiyotoshi Sakuma, Kiyomi Morita | 1989-08-22 |
| 4817571 | Method and apparatus for fuel control | Kiyomi Morita, Keiji Hatanaka, Kiyotoshi Sakuma | 1989-04-04 |