Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803181 | Dye-forming coupler, silver halide photographic light-sensitive material, and method for producing an azomethine dye | Shigeki Uehira, Jun Ogasawara, Kiyoshi Takeuchi, Yasuhiro Shimada | 2004-10-12 |
| 6773875 | Silver halide color photographic light-sensitive material, pyrrolotriazole compound, and dye-forming compound | Takeshi Nakamine | 2004-08-10 |
| 6727053 | Dye-forming coupler, silver halide photographic light-sensitive material and azomethine dye compound | Kiyoshi Takeuchi, Shigeki Uehira, Mario Aoki, Jun Ogasawara, Yasuhiro Shimada +6 more | 2004-04-27 |
| 6681187 | Composition amount determining method and device for functional mixture | Yoshio Ishii, Jun Okamoto, Akira Ikeda | 2004-01-20 |