Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306890 | Method of producing corrugated metal sheeting and method of producing honeycomb structure therefrom for carrying catalytic agents used for purifying exhaust gases | Katsuhiro Minamida, Atsushi Sugihashi, Masahi Oikawa, Naoya Hamada, Akira Ishibashi | 1994-04-26 |