Issued Patents All Time
Showing 1–25 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11053831 | Exhaust gas purification apparatus for an internal combustion engine | Hiromasa Hashimoto, Shuntaro Okazaki | 2021-07-06 |
| 10920704 | Abnormality diagnosis system of air-fuel ratio sensor | Hiroshi Miyamoto, Toru Kidokoro, Kenji Suzuki | 2021-02-16 |
| 10746077 | Diagnostic apparatus for exhaust gas sensor | Koji Hagiwara, Toru Kidokoro, Hirotaka SAITO | 2020-08-18 |
| 10626819 | Diagnosis system of internal combustion engine | Hiroshi Miyamoto, Keiichiro Aoki | 2020-04-21 |
| 10619547 | Diagnosis apparatus and diagnosis method for NOx sensor | Masahiko Masubuchi, Toru Kidokoro, Koji Hagiwara, Hiroshi Miyamoto | 2020-04-14 |
| 10365183 | Abnormality diagnosis system of air-fuel ratio sensor | Hiroshi Miyamoto, Keiichiro Aoki, Toru Kidokoro | 2019-07-30 |
| 10323596 | Oil dilution rate calculation system of internal combustion engine | Hiroshi Miyamoto, Toru Kidokoro, Kenji Suzuki | 2019-06-18 |
| 10316779 | Abnormality diagnosis system of air-fuel ratio sensor | Hiroshi Miyamoto, Toru Kidokoro, Kenji Suzuki | 2019-06-11 |
| 10302002 | Deterioration diagnosis apparatus for exhaust gas purification apparatus | Koji Hagiwara, Toru Kidokoro, Taisuke Yoshida | 2019-05-28 |
| 10184382 | Abnormality diagnosis apparatus for NOx storage reduction catalyst | Koji Hagiwara, Toru Kidokoro | 2019-01-22 |
| 10151262 | Abnormality diagnosis system of air-fuel ratio sensors | Hiroshi Miyamoto, Toru Kidokoro, Yuji Miyoshi | 2018-12-11 |
| 10119446 | Deterioration diagnosis apparatus for exhaust gas purification apparatus | Koji Hagiwara, Toru Kidokoro, Hirotaka Saitoh, Yuji Miyoshi | 2018-11-06 |
| 10072553 | Deterioration diagnosis apparatus for selective catalytic reduction catalyst | Koji Hagiwara, Toru Kidokoro, Takahiko Fujiwara | 2018-09-11 |
| 10072544 | Deterioration diagnosis apparatus for the exhaust gas purification apparatus | Hirotaka Saitoh, Koji Hagiwara, Takahiko Fujiwara, Toru Kidokoro | 2018-09-11 |
| 10066534 | Internal combustion engine | Hiroshi Miyamoto, Tatsuhiro Hashida, Takahiko Fujiwara, Toru Kidokoro | 2018-09-04 |
| 9903297 | Control system of internal combustion engine | Shuntaro Okazaki, Norihisa Nakagawa, Yuji Yamaguchi, Kenji Suzuki, Hiroshi Miyamoto | 2018-02-27 |
| 9903292 | Abnormality diagnosis system of air-fuel ratio sensor | Hiroshi Miyamoto, Toru Kidokoro, Kenji Suzuki, Koji Ide | 2018-02-27 |
| 9897028 | Diagnosis system of internal combustion engine | Hiroshi Miyamoto, Keiichiro Aoki | 2018-02-20 |
| 9850840 | Diagnosis system of internal combustion engine | Hiroshi Miyamoto, Yuji Miyoshi, Toru Kidokoro, Keiichiro Aoki | 2017-12-26 |
| 9726103 | Fuel injection amount control apparatus for an internal combustion engine | Hiroshi Miyamoto, Tatsuro Shimada, Isao Nakajima, Yoshihisa Oda, Takuya Matsumoto +1 more | 2017-08-08 |
| 9719449 | Diagnosis system of internal combustion engine | Hiroshi Miyamoto, Keiichiro Aoki | 2017-08-01 |
| 9650936 | Abnormality detection apparatus for exhaust gas purification apparatus | Koji Hagiwara, Toru Kidokoro | 2017-05-16 |
| 9624808 | Abnormality diagnosis system of air-fuel ratio sensor | Hiroshi Miyamoto, Kenji Suzuki, Toru Kidokoro | 2017-04-18 |
| 9617900 | Deterioration diagnosis device for an exhaust gas purification apparatus | Koji Hagiwara, Hirotaka Saitoh | 2017-04-11 |
| 9611776 | Deterioration diagnosis device for an exhaust gas purification apparatus | Koji Hagiwara, Hirotaka Saitoh, Toru Kidokoro, Takahiko Fujiwara | 2017-04-04 |