Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9502727 | Fuel cell system and method of controlling a fuel cell system | — | 2016-11-22 |
| 8808935 | Fuel cell system | — | 2014-08-19 |
| 7867647 | Hydrogen generation device and fuel cell system including same | Hiroyuki Mitsui, Hiroshi Aoki, Takashi Shimazu | 2011-01-11 |
| 7798266 | Hybrid system | Makoto Suzuki, Makoto Hotta | 2010-09-21 |
| 7501195 | Drive control of power system including fuel cells | Satoshi Aoyama, Shigeru Ogino, Yasuhiro Izawa, Satoshi Iguchi | 2009-03-10 |
| RE33942 | Double air-fuel ratio sensor system in internal combustion engine | Toshiyasu Katsuno, Nobuaki Kayanuma, Yasushi Sato, Toshio Tanahashi, Yoshiki Chujo +3 more | 1992-06-02 |
| 4831838 | Double air-fuel ratio sensor system carrying out learning control operation | Toshinari Nagai, Yasushi Satou, Toshiyasu Katsuno | 1989-05-23 |
| 4819427 | Double air-fuel ratio sensor system having improved exhaust emission characteristics | Toshinari Nagai, Toshiyasu Katsuno | 1989-04-11 |
| 4817383 | Double air-fuel ratio sensor system having improved exhaust emission characteristics | — | 1989-04-04 |
| 4779414 | Double air-fuel ratio sensor system carrying out learning control operation | Toshinari Nagai, Toshiyasu Katsuno | 1988-10-25 |
| 4761950 | Double air-fuel ratio sensor system carrying out learning control operation | Toshinari Nagai, Yasushi Satou, Toshiyasu Katsuno | 1988-08-09 |
| 4747265 | Double air-fuel ratio sensor system having improved exhaust emission characteristics | Toshinari Nagai, Toshiyasu Katsuno | 1988-05-31 |
| 4745741 | Double air-fuel ratio sensor system having improved response characteristics | Toshinari Nagai, Toshiyasu Katsuno, Yoshiki Chujo, Nobuaki Kayanuma, Hironori Bessho +2 more | 1988-05-24 |
| 4739614 | Double air-fuel ratio sensor system in internal combustion engine | Toshiyasu Katsuno, Nobuaki Kayanuma, Yasushi Sato, Toshio Tanahashi, Yoshiki Chujo +3 more | 1988-04-26 |
| 4729219 | Double air-fuel ratio sensor system having improved response characteristics | Nobuaki Kayanuma, Toshinari Nagai, Yoshiki Chujo, Hironori Bessho, Yasushi Sato +2 more | 1988-03-08 |
| 4723408 | Double air-fuel ratio sensor system carrying out learning control operation | Toshinari Nagai, Yasushi Sato, Toshiyasu Katsuno | 1988-02-09 |
| 4712373 | Double air-fuel ratio sensor system having improved response characteristics | Toshinari Nagai, Yasushi Satou, Toshiyasu Katsuno | 1987-12-15 |
| 4707984 | Double air-fuel ratio sensor system having improved response characteristics | Toshiyasu Katsuno, Toshinari Nagai, Yasushi Satou | 1987-11-24 |
| 4707985 | Double air-fuel ratio sensor system carrying out learning control operation | Toshinari Nagai, Yasushi Sato, Toshiyasu Katsuno | 1987-11-24 |
| 4703619 | Double air-fuel ratio sensor system having improved response characteristics | Yoshiki Chujo, Nobuaki Kayanuma, Hironori Bessho, Toshiyasu Katsuno, Toshio Tanahashi | 1987-11-03 |
| 4693076 | Double air-fuel ratio sensor system having improved response characteristics | Yoshiki Chujo, Nobuaki Kayanuma, Hironori Bessho, Toshinari Nagai, Toshiyasu Katsuno +1 more | 1987-09-15 |
| 4527529 | Method and apparatus for controlling fuel injection for an internal combustion engine | Makoto Suzuki, Toshiyuki Takimoto, Mamoru Yoshioka | 1985-07-09 |
| 4506638 | Method and apparatus for controlling fuel cut-off in an internal combustion engine | Kingo Horii | 1985-03-26 |
| 4216753 | Fuel air mixture supply system for use in fuel-injection-type internal combustion engine | Tokuta Inoue, Masaki Mitsuyasu, Shigetaka Takada, Masayuki Okamura | 1980-08-12 |