Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8892337 | Apparatus for detecting imbalance abnormality in air-fuel ratio between cylinders in multi-cylinder internal combustion engine | Shota Kitano, Hitoshi Tanaka, Isao Nakajima, Yoshihisa Oda, Masashi Hakariya +4 more | 2014-11-18 |
| 8620564 | Abnormality detection apparatus and abnormality detection method for multi-cylinder internal combustion engine | Masashi Hakariya, Isao Nakajima, Yoshihisa Oda, Hitoshi Tanaka, Kiyotaka Kushihama +4 more | 2013-12-31 |
| 7430853 | Apparatus for evaluating deterioration condition of catalyst of internal combustion engine | Takahiro Uchida | 2008-10-07 |
| 6698280 | Failure test apparatus for fuel-vapor purging system | Noriyuki Iden, Tokiji Ito, Shuichi Hanai, Shin Adachi | 2004-03-02 |
| 6523398 | Diagnosis apparatus for fuel vapor purge system | Shuichi Hanai, Shin Adachi, Tokiji Itoh, Noriyuki Iden | 2003-02-25 |
| 6487892 | Fault detection apparatus and method for fuel vapor purge system | Tokiji Ito, Noriyuki Iden, Shuichi Hanai | 2002-12-03 |