Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672459 | Radiation sensitive resin composition containing quinone diazide ester having two hindered phenol groups | Masahiro Akiyama, Toshiyuki Ota, Akira Tsuji | 1997-09-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672459 | Radiation sensitive resin composition containing quinone diazide ester having two hindered phenol groups | Masahiro Akiyama, Toshiyuki Ota, Akira Tsuji | 1997-09-30 |