Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5987977 | Device for determining an abnormal degree of deterioration of a catalyst | Michihiro Ohashi | 1999-11-23 |
| 5979161 | Device for determining the abnormal degree of deterioration of a catalyst | Michihiro Ohashi | 1999-11-09 |
| 5865027 | Device for determining the abnormal degree of deterioration of a catalyst | Michihiro Ohashi | 1999-02-02 |
| 5765370 | Device for determining the abnormal degree of deterioration of a catalyst | Michihiro Ohashi | 1998-06-16 |
| 5752382 | Device for determining an abnormal degree of deterioration of a catalyst | Michihiro Ohasi | 1998-05-19 |
| 4731993 | Exhaust apparatus for a V-type internal combustion engine | Yoshiaki Ito, Ryuichi Deguchi, Hiroki Matsuoka | 1988-03-22 |