Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5930994 | Reverse cleaning regeneration type exhaust emission control device and method of regenerating the same | Koji Shimato, Kazuya Naruse, Norihiko Yamamura, Hirosi Demati | 1999-08-03 |