Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5399475 | Silver halide photographic materials and method producing thereof | Kazunori Hasebe, Masahiro Asami, Naoto Ohshima, Keisuke Shiba, Toshihiro Nishikawa | 1995-03-21 |
| 5397676 | Image forming method including heat development while covering surface of light-sensitive material | Hiroaki Yokoya | 1995-03-14 |
| 5328800 | Color image forming method using silver halide, reducing agent, polymerizable compound and colorant | Hiroaki Yokoya, Keiji Takeda, Katsuji Kitatani | 1994-07-12 |
| 5326667 | Image forming method and light-sensitive material using silver halide, reducing agent and polymerizable compound | Hiroaki Yokoya, Keiji Takeda, Katsuji Kitatani | 1994-07-05 |
| 5304454 | Image forming method using silver halide, reducing agent and polymerizable compound | Hiroaki Yokoya, Keiji Takeda, Katsuji Kitatani | 1994-04-19 |
| 5236805 | Method of forming images by means of silver salt diffusion transfer | Yoshio Idota, Morio Yatihara | 1993-08-17 |
| 5030545 | Method of forming images by silver salt diffusion transfer | — | 1991-07-09 |
| 4565777 | Silver halide color photographic light-sensitive materials | Akira Ogawa, Kozo Aoki, Makoto Umemoto | 1986-01-21 |
| 4557999 | Silver halide color photographic light-sensitive material | Kozo Aoki, Akira Ogawa | 1985-12-10 |
| 4552836 | Silver halide color photographic light-sensitive material | Kozo Aoki, Akira Ogawa, Makoto Umemoto | 1985-11-12 |
| 4552837 | Silver halide photographic emulsions | Masaki Okazaki, Satoshi Nagaoka, Yuji Mihara, Toshinao Ukai | 1985-11-12 |
| 4513081 | Silver halide photographic emulsion | Masaki Okazaki, Satoshi Nagaoka, Yuji Mihara, Keizo Kimura, Makoto Umemoto | 1985-04-23 |
| 4500635 | Color photographic silver halide light-sensitive material | Kozo Aoki, Akira Ogawa | 1985-02-19 |