Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915080 | Electronic air-fuel ratio control apparatus in internal combustion engine | Akira Uchikawa | 1990-04-10 |
| 4911132 | Fuel injection control system for multi-cylinder internal combustion engine with feature of improved response characteristics to acceleration enrichment demand | Seiichi Otani, Toru Hamada, Masanobu Osaki, Yukio Hoshino, Naoki Tomisawa | 1990-03-27 |
| 4911131 | Fuel control apparatus for internal combustion engine | Seiichi Otani, Naoki Tomisawa, Yukio Hoshino, Syouzi Furuhashi, Tadashi Ariga | 1990-03-27 |
| 4889100 | Fuel injection control system for multi-cylinder internal combustion engine with feature of improved response characteristics to acceleration enrichment demand | Seiichi Otani, Toru Hamada, Masanobu Osaki, Yukio Hoshino, Naoki Tomisawa | 1989-12-26 |
| 4883038 | Fuel supply control system for multi-cylinder internal combustion engine with feature of suppression of output fluctuation between individual engine cylinders | — | 1989-11-28 |
| 4878473 | Internal combustion engine with electronic air-fuel ratio control apparatus | Akira Uchikawa | 1989-11-07 |
| 4870938 | Electronic air-fuel ratio control apparatus in internal combustion engine | — | 1989-10-03 |
| 4831987 | Setting device of basic fuel injection amount for an internal combustion engine | Yukio Hoshino, Naoki Tomisawa, Seiichi Otani, Tadashi Ariga, Shouji Furuhashi | 1989-05-23 |
| 4817572 | Electronically controlled fuel injection device for an internal combustion engine | Yukio Hoshino, Naoki Tomisawa, Seiichi Otani, Tadashi Ariga, Shouji Furuhashi | 1989-04-04 |