Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798188 | Method of controlling injector | Shoji Ito | 1989-01-17 |
| 4726389 | Method of controlling injector valve | Shoji Ito | 1988-02-23 |
| 4720077 | Fuel injection valve | Shoji Ito | 1988-01-19 |
| 4457279 | Air-fuel ratio control device of a variable venturi-type carburetor | Mitsuyoshi Teramura, Masatami Takimoto, Takeru Yasuda | 1984-07-03 |
| 4294213 | Fuel supplying device for use in fuel injection type internal combustion engine | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando +1 more | 1981-10-13 |
| 4282846 | Exhaust gas recirculating device | — | 1981-08-11 |
| 4253440 | Fuel supply apparatus for internal combustion engines | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando +1 more | 1981-03-03 |
| 4235210 | Fuel supply apparatus for internal combustion engines | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando +1 more | 1980-11-25 |
| 4233946 | Exhaust gas recirculation system | Keigo Yorioka | 1980-11-18 |
| 4211201 | Fuel supply apparatus for internal combustion engines | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando +1 more | 1980-07-08 |
| 4207849 | Air-fuel ratio control apparatus of a fuel supply system for an internal combustion engine | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando +1 more | 1980-06-17 |
| 4206599 | Internal combustion engine | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando +1 more | 1980-06-10 |
| 4194478 | Air-fuel ratio control system for an internal combustion engine | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando +1 more | 1980-03-25 |
| 4187816 | Air-fuel ratio controlling system for an internal combustion engine | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Junzo Uozumi, Tsuneo Ando +1 more | 1980-02-12 |