Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4948868 | Copolyamide containing tertiary amine linkage | Yurimasa Zenitani, Akio Ikeda, Toshiji Nishimura | 1990-08-14 |
| 4339615 | Process for producing resorcinol | Ichiro Imai, Fujihisa Matsunaga, Hiroaki Nakagawa, Masayasu Isibasi | 1982-07-13 |