Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588673 | Retouchable mat film | Shinzi Kataoka, Yukio Shinagawa | 1986-05-13 |
| 4585725 | Photographic image-receiving element for silver salt diffusion transfer process | — | 1986-04-29 |
| 4511644 | Photographic elements with development inhibitor precursor | Hisashi Okamura, Osamu Takahashi, Ashita Murai | 1985-04-16 |
| 4506001 | Photographic recording material containing novel coordination polymer | Hisashi Okamura, Shigeru Nakamura | 1985-03-19 |
| 4431730 | Process for the preparation of internal latent image type silver halide photographic emulsions | Shigeharu Urabe, Ichizo Toya, Tadao Sugimoto | 1984-02-14 |
| 4431731 | Internal latent image silver halide emulsions | Tadao Sugimoto, Ichizo Toya, Shigeharu Urabe | 1984-02-14 |
| 4396698 | Loaded polymer latex dye mordant composition | Yukio Karino, Masakazu Morigaki | 1983-08-02 |
| 4396706 | Silver halide photographic light-sensitive material and image forming method | Tsumoru Ishii | 1983-08-02 |
| 4293641 | Photographic light-sensitive material | Osamu Takahashi | 1981-10-06 |
| 4268604 | Photographic element for color diffusion transfer process | Takashi Yoshida | 1981-05-19 |
| 4267262 | Color diffusion transfer photographic elements comprising a neutralizing system timing layer | Yukio Karino, Yoshio Sakakibara | 1981-05-12 |
| 4256827 | Photographic element for color diffusion transfer process having a novel neutralizing system | Yasuhiro Noguchi, Takashi Yoshida | 1981-03-17 |
| 4250243 | Photographic element for color diffusion transfer process | Takashi Yoshida | 1981-02-10 |
| 4229522 | Method for forming color images | Shigeru Nakamura, Isao Shimamura, Taku Nakamura, Takushi Miyazako, Masatoshi Sugiysma +1 more | 1980-10-21 |
| 4201589 | Silver halide photo-sensitive material prepared with solvent and solvent soluble polymer | Seiiti Kubodera, Jun Arakawa, Keisuke Shiba, Nobuo Tsuji | 1980-05-06 |
| 4199362 | Color diffusion transfer process photographic elements | Takashi Yoshida, Kazunobu Katoh, Yukio Karino | 1980-04-22 |