Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10808658 | Connection state determination device for breather pipe | Toru Sekiguchi, Masahiro Fujii, Takashi Konomoto | 2020-10-20 |
| 9523318 | Air-fuel ratio control apparatus for internal combustion engine and method for controlling air-fuel ratio | Tooru Sekiguchi, Michinori Tani, Seiji Watanabe | 2016-12-20 |
| 9249712 | Air-fuel ratio control system for internal combustion engine | Michinori Tani, Kenichi Maeda, Seiji Watanabe, Soichiro Goto | 2016-02-02 |
| 9234473 | Air-fuel ratio control apparatus for internal combustion engine | Tooru Sekiguchi, Takeshi Aoki, Seiji Watanabe, Kazunori Kawamura, Michinori Tani | 2016-01-12 |
| 9057337 | Air-fuel ratio control system for internal combustion engine | Tooru Sekiguchi, Takeshi Aoki, Michinori Tani, Takashi Yanagiura, Seiji Watanabe | 2015-06-16 |
| 8983754 | Apparatus for controlling air-fuel ratio of internal-combustion engine | Seiji Watanabe, Tooru Sekiguchi, Hiroyuki Ando, Takeshi Aoki, Michinori Tani +1 more | 2015-03-17 |
| 8965662 | Abnormality determining apparatus for air-fuel ratio sensor | Takeshi Aoki, Michinori Tani, Seiji Watanabe, Tooru Sekiguchi, Hiroyuki Ando | 2015-02-24 |
| 8818690 | Air-fuel ratio control apparatus for internal combustion engine | Michinori Tani, Kenichi Maeda, Seiji Watanabe, Soichiro Goto | 2014-08-26 |
| 8794056 | Abnormality determination device for air-fuel ratio sensor | Takeshi Aoki, Michinori Tani, Hiroyuki Ando | 2014-08-05 |
| 8726637 | Air-fuel ratio control system for internal combustion engine | Tooru Sekiguchi, Takeshi Aoki, Michinori Tani, Seiji Watanabe | 2014-05-20 |
| 8725304 | Plant controller | Michinori Tani, Kenichi Maeda, Seiji Watanabe | 2014-05-13 |
| 8694227 | Air-fuel ratio control apparatus and air-fuel ratio control method for internal-combustion engine | Michinori Tani, Kenichi Maeda, Seiji Watanabe, Soichiro Goto | 2014-04-08 |
| 7578128 | Air bypass valve failure detection device in supercharging device for engine | Hirofumi Hara, Kazuhiko Imamura, Yoshinori Andou | 2009-08-25 |
| 7500363 | Failure detecting device for supercharging-pressure control means in supercharging device of engine | Hirofumi Hara, Kazuhiko Imamura, Takashi Kon, Yoshinori Andou | 2009-03-10 |
| 6799453 | Misfire detection system for vehicle multicylinder internal combustion engine | Kojiro Tsutsumi | 2004-10-05 |