Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355151 | Aromatic copolyamide containing 3,4'-diamino diphenylene moiety | Keizo Shimada, Noriaki Sasaki, Akihiro Aoki | 1982-10-19 |
| 4342715 | Process for preparing wholly aromatic polyamide shaped articles | Keizo Shimada, Akihiro Aoki, Tsutomu Nakamura | 1982-08-03 |