Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545157 | Dye-forming method, color developing compositions, photosensitive materials and color developing agent precursors | Kensuke Morita, Shun-ichi Ishikawa, Koki Nakamura, Toshio Kawagishi, Tadashi Ohmatsu +1 more | 2003-04-08 |