Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368612 | Method of dyeing a fiber mixture with water-insoluble naphthalic acid imide dyestuffs | Toshio Hihara | 1994-11-29 |
| 5340930 | Monoazo dye having a thiophene derivative as diazo component | Ryouichi Sekioka | 1994-08-23 |
| 5332404 | Disperse dye mixtures | Toshio Hihara, Hirotsugu Tsumura, Yoshiharu Hamano | 1994-07-26 |
| 5290931 | Water-insoluble naphthalic acid imide dyestuffs | Toshio Hihara | 1994-03-01 |
| 5278294 | Monoazo dye having diaminopyridine derivatives | Ryouichi Sekioka | 1994-01-11 |