Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963463 | Radiation-sensitive resin composition with admixtures of O-quinone diazide and acid esters having nitrobenzyl or cyanobenzyl group | Mitsunobu Koshiba, Keiichi Yamada, Yoshiyuki Harita, Bruno Roland | 1990-10-16 |