Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10724465 | Abnormality diagnosis apparatus and abnormality diagnosis method for pressure sensor of internal combustion engine | — | 2020-07-28 |
| 10690039 | Cooling device anomaly diagnosing apparatus | Sei Maruta | 2020-06-23 |
| 10385792 | Control device for internal combustion engine | — | 2019-08-20 |
| 10378469 | Evaporated fuel treating device and vehicle | — | 2019-08-13 |
| 9279378 | Apparatus for detecting imbalance abnormality in air-fuel ratio between cylinders in multi-cylinder internal combustion engine | Akihiro Katayama, Kazuhiro Akisada, Sei Maruta, Shinichi Nakagoshi, Masahide Okada | 2016-03-08 |
| 9097193 | Inter-cylinder air-fuel ratio variation abnormality detection apparatus for multicylinder internal combustion engine | Yoshihisa Oda, Isao Nakajima, Masashi Hakariya, Akihiro Katayama, Kazuhiro Akisada +3 more | 2015-08-04 |