Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873220 | Heat-sensitive transfer material | Takeshi Nakamine | 1989-10-10 |
| 4830447 | Optical wavelength conversion device | Kozi Kamiyama, Yoji Okazaki, Masaki Okazaki, Syozo Takeuchi | 1989-05-16 |
| 4740455 | Heat developable light-sensitive material containing polymethine | Masaki Okazaki | 1988-04-26 |
| 4713316 | Heat-developable photographic materials | Toshinao Ukai, Hisashi Okada | 1987-12-15 |
| 4690883 | Image forming process | Masaki Okazaki | 1987-09-01 |
| 4677051 | Heat-development color light-sensitive material | Takanori Hioki, Masaki Okazaki | 1987-06-30 |
| 4637975 | Heat-developable photographic materials | Takanori Hioki, Masaki Okazaki | 1987-01-20 |
| 4352873 | Silver halide color photographic materials | Yuzo Toda, Junji Koizumi, Masasi Ogawa, Hidefumi Sera | 1982-10-05 |
| 4343886 | Method for stabilizing dye images in color photographic sensitive materials using a ligand as a dye image stabilizer precursor in combination with metal ions | Kotaro Nakamura, Satoru Sawada, Hiroshi Hara, Yoshiaki Suzuki, Shigeru Oono | 1982-08-10 |
| 4288532 | Color photographic materials containing cyan color-forming couplers | Yoshio Seoka, Kozo Aoki, Yukio Yokota | 1981-09-08 |
| 4201589 | Silver halide photo-sensitive material prepared with solvent and solvent soluble polymer | Shinji Sakaguchi, Jun Arakawa, Keisuke Shiba, Nobuo Tsuji | 1980-05-06 |