Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487892 | Fault detection apparatus and method for fuel vapor purge system | Noriyuki Iden, Yuichi Kohara, Shuichi Hanai | 2002-12-03 |
| 6006707 | Valve timing control apparatus for an internal combustion engine | — | 1999-12-28 |
| 5943999 | Malfunction determining apparatus of an exhaust gas recirculation system | Masatomo Yoshihara | 1999-08-31 |
| 5771869 | Malfunction determining apparatus of an exhaust gas recirculation system | Masatomo Yoshihara | 1998-06-30 |
| 5718210 | Testing apparatus for fuel vapor treating device | Susumu Shinohara | 1998-02-17 |
| 5629477 | Testing apparatus for fuel vapor treating device | — | 1997-05-13 |