Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370965 | Positive-working light-sensitive composition containing diazonium salt and novolak resin | Shunichi Kondo, Mitsumasa Tsuchiya, Sadao Ishige, Takekatsu Sugiyama, Toshifumi Inno | 1994-12-06 |
| 5364738 | Light-sensitive composition | Shunichi Kondo, Akira Umehara, Tsuguo Yamaoka | 1994-11-15 |
| 5358824 | Photosensitive resin composition utilizing 1,2-naphthoquinone diazide compound having spirobichroman or spirobiindane ring | Shiro Tan, Yasunori Takata, Fumiyuki Nishiyama | 1994-10-25 |