Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345042 | Polyurethane-modified polyisocyanurate foam and method for producing the same | Akira Kuroda, Masatoshi Onishi | 1982-08-17 |
| 4342715 | Process for preparing wholly aromatic polyamide shaped articles | Keizo Shimada, Akihiro Aoki, Hiroshi Mera | 1982-08-03 |
| 4309476 | Core-in-sheath type aromatic polyamide fiber and process for producing the same | Yasuo Nakagawa, Osamu Kai, Keizo Shimada | 1982-01-05 |