Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309476 | Core-in-sheath type aromatic polyamide fiber and process for producing the same | Tsutomu Nakamura, Yasuo Nakagawa, Keizo Shimada | 1982-01-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309476 | Core-in-sheath type aromatic polyamide fiber and process for producing the same | Tsutomu Nakamura, Yasuo Nakagawa, Keizo Shimada | 1982-01-05 |