Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889100 | Fuel injection control system for multi-cylinder internal combustion engine with feature of improved response characteristics to acceleration enrichment demand | Shinpei Nakaniwa, Toru Hamada, Masanobu Osaki, Yukio Hoshino, Naoki Tomisawa | 1989-12-26 |
| 4831987 | Setting device of basic fuel injection amount for an internal combustion engine | Shinpei Nakaniwa, Yukio Hoshino, Naoki Tomisawa, Tadashi Ariga, Shouji Furuhashi | 1989-05-23 |
| 4817572 | Electronically controlled fuel injection device for an internal combustion engine | Shinpei Nakaniwa, Yukio Hoshino, Naoki Tomisawa, Tadashi Ariga, Shouji Furuhashi | 1989-04-04 |