Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4728600 | Heat-developable light-sensitive material | Hiroshi Hara | 1988-03-01 |
| 4719168 | Dye-fixing material | Koichi Nakamura | 1988-01-12 |
| 4713319 | Heat developable photosensitive material | Hiroshi Hara | 1987-12-15 |
| 4704344 | Heat developable light-sensitive material with protective layer | Koichi Nakamura | 1987-11-03 |
| 4665005 | Stripping process for forming color image using fluorine surfactant | Kozo Sato, Yasuo Mukunoki, Koichi Nakamura | 1987-05-12 |
| 4639407 | Heat-developable light-sensitive material used in silver salt transfers | Hiroshi Hara | 1987-01-27 |
| 4636455 | Heat developement dye-transfer process using crosslinked binders with dye mordants | Koichi Nakamura, Takeshi Shibata, Taku Nakamura | 1987-01-13 |
| 4619883 | Dye fixing material | Koichi Nakamura, Taku Nakamura | 1986-10-28 |
| 4599296 | Process for forming image | Yukihiko Sakaguchi, Shinsaku Fujita | 1986-07-08 |
| 4590154 | Heat developable color photographic light-sensitive material containing sulfonamide | Hiroyuki Hirai, Yoshiharu Yabuki, Masashi Takeuchi | 1986-05-20 |
| 4587206 | Method for forming images | Yukihiko Sakaguchi, Shinsaku Fujita | 1986-05-06 |
| 4555476 | Heat development process with stabilizer | Yukihiko Sakaguchi, Shinsaku Fujita | 1985-11-26 |
| 4550071 | Heat development using acids | Koichi Nakamura | 1985-10-29 |
| 4536467 | Heat development of silver halide element with redox dye releaser and stabilizer | Yukihiko Sakaguchi, Shinsaku Fujita | 1985-08-20 |
| 4536466 | Heat developable element with stabilizer | Yukihiko Sakaguchi, Shinsaku Fujita | 1985-08-20 |
| 4500626 | Heat-developable color photographic material | Hideki Naito, Hiroshi Hara, Kozo Sato, Shinsaku Fujita | 1985-02-19 |
| 4500624 | Heat-developable diffusion transfer color photographic material with microcapsules | Hiroshi Hara, Hideki Naito | 1985-02-19 |
| 4478927 | Heat-developable color photographic materials | Hideki Naito, Hiroshi Hara, Kozo Sato | 1984-10-23 |
| 4474867 | Heat-developable color photographic material | Hideki Naito, Hiroshi Hara, Kozo Sato | 1984-10-02 |
| 4430415 | Heat-developable photographic material with fine droplets containing silver halide, organic silver salt oxidizing agent and color image forming substance | Hiroshi Hara, Hideki Naito, Kozo Sato | 1984-02-07 |
| 4386144 | Process for the production of multicolor optical filters | — | 1983-05-31 |
| 4294900 | Process of producing multicolor optical filters | — | 1981-10-13 |
| 4283486 | Silver halide color photographic light-sensitive material | Takeshi Hirose | 1981-08-11 |
| 4187110 | Silver halide photographic light-sensitive material | Morio Yagihara, Mitsugu Tanaka, Takeshi Hirose | 1980-02-05 |