Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639587 | Positive photoresist composition containing alkali soluble resins and quinonediazide ester mixture | Kenichiro Sato, Shinji Sakaguchi | 1997-06-17 |
| 5629128 | Positive photoresist composition | Kenichiro Sato, Kunihiko Kodama, Yasumasa Kawabe, Shinji Sakaguchi | 1997-05-13 |
| 5612167 | Image forming method using strippable layer and light-sensitive polymerizable layer containing silver halide | Hiroaki Yokoya | 1997-03-18 |