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, Hiroshi Mera, Akihiro Aoki | 1982-10-19 |
| 4353802 | Semipermeable composite membrane | Shigeyoshi Hara, Yuzuru Hayashi, Takeyuki Kawaguchi, Yutaka Taketani, Hiroyoshi Minematsu | 1982-10-12 |