Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6067963 | Fuel supply system with fuel evaporation prevention | Kiyotoshi Oi, Motoya Ito | 2000-05-30 |
| 6014958 | Antidissipation apparatus for evaporated fuel vapor | Makoto Miwa, Shigenori Isomura, Toshihiko Muramatsu, Takeshi Matsuda, Takahiko Kato | 2000-01-18 |
| 5842454 | Fuel pump control with control mode switching between before and after engine starting | Makoto Miwa, Naoki Yoshiume, Kiyotoshi Oi, Shigeru Takeuchi, Akira Ando | 1998-12-01 |
| 5797374 | Fuel supply apparatus for engines | Kiyotoshi Oi | 1998-08-25 |
| 5758627 | Fuel filter for vehicle | Makoto Miwa, Kiyotoshi Oi | 1998-06-02 |
| 5715797 | Fuel supply system for internal combustion engine and method of adjusting it | Takeshi Matsuda, Kiyotoshi Oi, Shigeru Takeuchi, Takayoshi Yamaguchi | 1998-02-10 |
| 5711275 | Fuel supply apparatus for an internal combustion engine | Kiyotoshi Oi, Katsumi Arai | 1998-01-27 |
| 5699772 | Fuel supply system for engines with fuel pressure control | Masao Yonekawa, Yoshihiro Majima, Makoto Miwa, Kiyotoshi Oi | 1997-12-23 |
| 5651347 | Fuel supply apparatus for internal combustion engine | Kiyotoshi Oi, Masao Yonekawa | 1997-07-29 |
| 5603302 | Fuel supply system for internal combustion engine | Takashi Akiba, Yoshitaka Wakamatsu | 1997-02-18 |
| 5586539 | Fuel supplying apparatus for internal combustion engine | Masao Yonekawa, Kiyotoshi Oi, Makoto Miwa, Yoshihiro Majima | 1996-12-24 |
| 5558063 | Fuel supply system with two-stage control pressure regions | Kiyotoshi Oi, Takashi Akiba | 1996-09-24 |
| 4838226 | Apparatus for controlling intake air flow rate in internal combustion engine | Toshio Matsuzawa, Akira Muramatsu, Tomoaki Abe, Masashi Kiyono, Shigeru Kamio +2 more | 1989-06-13 |
| 4688420 | Throttle valve position-detecting device for a vehicle engine | — | 1987-08-25 |