Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337155 | Chemical-resistant wholly aromatic polyamide fiber material | Yorikazu Tamura, Keizo Shimada | 1982-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337155 | Chemical-resistant wholly aromatic polyamide fiber material | Yorikazu Tamura, Keizo Shimada | 1982-06-29 |