Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4485138 | Heat-resistant sheet gasket | Tsutomu Yamamoto, Masaaki Ashizawa | 1984-11-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4485138 | Heat-resistant sheet gasket | Tsutomu Yamamoto, Masaaki Ashizawa | 1984-11-27 |