Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5965320 | Positive photoresist composition containing phenol ester of 1,2-napthoquinone-(2)-diazide-6-sulfonic acid and pattern formation method using the composition | Kazue Torimitsu, Hideo Kikuchi | 1999-10-12 |