Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639579 | Photosensitive colored resin composition, colored image formation method of color filter, and formation method of black matrix | Keiichi Hayashi, Nobuyuki Kurata, Keiji Ishii | 1997-06-17 |