Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4462365 | Apparatus for supplying fuel to an internal combustion engine | — | 1984-07-31 |
| 4294213 | Fuel supplying device for use in fuel injection type internal combustion engine | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Tsuneo Ando, Yuzo Takeuchi +1 more | 1981-10-13 |
| 4253440 | Fuel supply apparatus for internal combustion engines | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Tsuneo Ando, Yuzo Takeuchi +1 more | 1981-03-03 |
| 4235210 | Fuel supply apparatus for internal combustion engines | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Tsuneo Ando, Yuzo Takeuchi +1 more | 1980-11-25 |
| 4211201 | Fuel supply apparatus for internal combustion engines | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Tsuneo Ando, Yuzo Takeuchi +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, Tsuneo Ando, Yuzo Takeuchi +1 more | 1980-06-17 |
| 4206599 | Internal combustion engine | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Tsuneo Ando, Yuzo Takeuchi +1 more | 1980-06-10 |
| 4194478 | Air-fuel ratio control system for an internal combustion engine | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Tsuneo Ando, Yuzo Takeuchi +1 more | 1980-03-25 |
| 4187816 | Air-fuel ratio controlling system for an internal combustion engine | Masaharu Sumiyoshi, Setsuro Sekiya, Katsuhiko Motosugi, Tsuneo Ando, Yuzo Takeuchi +1 more | 1980-02-12 |