Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8032290 | Control device for an internal combustion engine | Seiji Asano, Takayuki Obu | 2011-10-04 |
| 7836758 | Deterioration diagnosis system for an air-fuel ratio sensor | Toshihiro Aono, Takahumi Ohwada, Akira Kiyomura, Seiichi Ohtani, Shigeo Ohkuma | 2010-11-23 |
| 7117727 | Misfire detecting apparatus for internal combustion engine and method thereof | Hisanori Ozaki | 2006-10-10 |
| 7117728 | Misfire detecting apparatus for internal combustion engine and method thereof | Akira Kiyomura, Hisanori Ozaki | 2006-10-10 |
| 7013214 | Air-fuel ratio feedback control apparatus and method for internal combustion engine | — | 2006-03-14 |
| 6371096 | Diagnosis system for wide-range air-fuel ratio sensor | Seiichi Ohtani, Katsuyoshi Shiobara | 2002-04-16 |
| 6324903 | Apparatus and method for detecting atmospheric pressure in an internal combustion engine | Shinji Kanai | 2001-12-04 |
| 6192866 | Diagnosis for detecting freezing condition in intake pressure sensor | Akihiko Araki, Michiyuki Fujimoto, Mitsuru Miyata | 2001-02-27 |
| 6158420 | Diagnostic apparatus and method for supplying assist air in an internal combustion engine | Michiyuki Fujimoto, Seiichi Ohtani, Katsuyoshi Shiobara | 2000-12-12 |
| 5992389 | Apparatus and method for controlling fuel injection of an internal combustion engine | — | 1999-11-30 |
| 5817923 | Apparatus for detecting the fuel property for an internal combustion engine and method thereof | Seiichi Ohtani, Mitsuru Miyata | 1998-10-06 |
| 5168859 | Method and apparatus for judging misfire in internal combustion engine | — | 1992-12-08 |