Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354644 | Photoresist compositions comprising styryl compound | Takanori Yamamoto, Shinji Konishi, Ryotaro Hanawa, Akihiro Furuta, Takeshi Hioki | 1994-10-11 |
| 5290656 | Resist composition, novel phenol compound and quinone diazide sulfonic acid ester of novel phenol compound | Yasunori Uetani, Makoto Hanabata, Hirotoshi Nakanishi, Koji Kuwana, Yukio Hanamoto +1 more | 1994-03-01 |
| 5283324 | Process for preparing radiation sensitive compound and positive resist composition | Koji Kuwana, Hirotoshi Nakanishi, Hiroshi Takagaki, Yasunori Doi, Yasunori Uetani +1 more | 1994-02-01 |