Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6350845 | Polyimide compositions and novel acid dianhydrides to be used therein | Koji Okada, Shoji Hara | 2002-02-26 |
| 6335416 | Polyimide film and process for producing the same | Koichiro Tanaka | 2002-01-01 |