Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887573 | Ignition timing adjusting apparatus for internal combustion engine | Yasuhiko Fujiwara, Toshiro Abe, Atsunori Hashimoto, Shinsuke Nakazawa, Masami Nagano | 1989-12-19 |
| 4887216 | Method of engine control timed to engine revolution | Mikihiko Ohnari, Teruji Sekozawa, Motohisa Funabashi, Makoto Shioya | 1989-12-12 |
| 4852537 | Ignition timing control apparatus for internal combustion engine | Masami Nagano | 1989-08-01 |
| 4853720 | Condition adaptive-type control method for internal combustion engines | Mikihiko Onari, Teruji Sekozawa, Motohisa Funabashi | 1989-08-01 |
| 4821698 | Fuel injection system | Yasunori Mouri, Toshio Manaka | 1989-04-18 |
| 4799469 | Apparatus and method for controlling ignition timing for internal combustion engine | Masami Nagano, Toshio Manaka | 1989-01-24 |