Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362603 | Photopolymerizable composition for color filter and color filter prepared therefrom | Yoshinori Katoh, Naoko Ichinose | 1994-11-08 |
| 4941923 | Water-insoluble black pigment | Yukio Ishizaka, Katsunori Nakamura | 1990-07-17 |