Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340548 | Exhaust gas cleaner and method of cleaning exhaust gas | Akira Abe, Satoshi Sumiya, Yoshikazu Takahashi, Kiyohide Yoshida | 1994-08-23 |
| 5320999 | Exhaust gas cleaner and method of cleaning exhaust gas | Akira Abe, Kiyohide Yoshida, Satoshi Sumiya, Nobuyuki MATSUMURA, Yoshikazu Takahashi | 1994-06-14 |
| 5290530 | Method of cleaning exhaust gas | Akira Abe, Kiyohide Yoshida, Satoshi Sumiya, Nobuyuki MATSUMURA, Yoshikazu Takahashi | 1994-03-01 |