Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40211 | Diazodisulfones | Fumiyoshi Urano, Hirotoshi Fujie, Keiji Oono | 2008-04-01 |
| 5350660 | Chemical amplified resist material containing photosensitive compound capable of generating an acid and specific polystyrene copolymer having functional groups that become alkali-soluble under an acid atmosphere | Fumiyoshi Urano, Hirotoshi Fujie, Keiji Oono | 1994-09-27 |
| 5272036 | Pattern forming contrast enhanced material utilizing water soluble photosensitive diazo compound and pattern forming method | Yoshiyuki Tani, Masayuki Endo, Kazufumi Ogawa, Fumiyoshi Urano | 1993-12-21 |
| 5216135 | Diazodisulfones | Fumiyoshi Urano, Hirotoshi Fujie, Keiji Oono | 1993-06-01 |
| 5114615 | Liquid crystal compounds and intermediates thereof | Shigeki Ishibashi, Kouzaburou Nakamura, Tohru Maruno, Takaaki Negishi, Fumiyoshi Urano | 1992-05-19 |