Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629067 | Ceramic honeycomb structure with grooves and outer coating, process of producing the same, and coating material used in the honeycomb structure | Wataru Kotani, Yoshiyuki Kasai | 1997-05-13 |