Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338426 | Intermediate, copolymer resin and production thereof | Hidetaka Sato, Shunichiro Uchimura, Hiroshi Suzuki | 1982-07-06 |
| 4338427 | Process for producing polyimide-amide-carboxylic acid | Iwao Maekawa | 1982-07-06 |