Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5168030 | Positive type o-quinone diazide photo-resist containing antistatic agent selected from hydrazones, ethylcarbazole and bis(dimethylamino)benzene | Konoe Miura, Tameichi Ochiai, Yasuhiro Kameyama, Takashi Okabe, Tomoharu Mametani | 1992-12-01 |
| 4933257 | Positive quinone diazide photo-resist composition with antistatic agent | Konoe Miura, Tameichi Ochiai, Yasuhiro Kameyama, Takashi Okabe, Tomoharu Mametani | 1990-06-12 |