Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847358 | Process for producing polyamide acid having siloxane bonds and polyimide having siloxane bonds and isoindoloquinazolinedione rings | Takayuki Saito, Toul Kikuchi, Shun-ichiro Uchimura, Hidetaka Satou, Daisuke Makino | 1989-07-11 |