Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986241 | Internal combustion engine air-fuel ratio control system including alcohol sensor back-up control arrangement | Tadaki Oota | 1991-01-22 |
| 4967714 | Apparatus for controlling engine operable on gasoline/alcohol fuel blend | — | 1990-11-06 |
| 4487188 | Fuel system for internal combustion engine | Shoji Tange, Yasuhiko Nakagawa | 1984-12-11 |
| 4480620 | Fuel supply system of internal combustion engine | Shoji Tange, Minoru Imajyo, Yasuhiko Nakagawa | 1984-11-06 |
| 4458651 | Electronically controlled fuel injection system for an internal combustion engine of an automotive vehicle | Shoji Tange, Yasuhiko Nakagawa | 1984-07-10 |
| 4442821 | Internal combustion engine ignition method | Kyugo Hamai, Yasuhiko Nakagawa, Meroji Nakai | 1984-04-17 |