Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5190855 | Silver halide photographic material and method for processing the same | Rikio Inoue, Tadashi Ito | 1993-03-02 |
| 5147769 | X-ray photographic material | Yoshihiro Jimbo | 1992-09-15 |
| 5096806 | Silver halide photographic material and process for producing the same | Tetsuo Nakamura | 1992-03-17 |
| 5079134 | X-ray photographic material | — | 1992-01-07 |
| 5019494 | Silver halide photographic material | Ryoichi Nemori | 1991-05-28 |
| 5015562 | Light-sensitive silver halide element containing modant, dye and sonic polymer | Sumito Yamada, Koichi Suematsu | 1991-05-14 |
| 5006449 | Silver halide black and white photographic material | Kunioki Ohmura, Masaki Okazaki | 1991-04-09 |
| 5001044 | Silver halide photographic element | — | 1991-03-19 |
| 4921785 | Silver halide photographic material | Koki Nakamura | 1990-05-01 |
| 4920032 | Silver halide photosensitive material | Masakazu Yoneyama | 1990-04-24 |
| 4917995 | Silver halide photographic material | Tetsuro Kojima, Tetsunori Matsushita, Kazuhiko Takeuchi | 1990-04-17 |
| 4916049 | Silver halide photographic material | — | 1990-04-10 |
| 4812391 | Silver halide photographic material containing polymer fixation accelerator | Tomokazu Yasuda | 1989-03-14 |
| 4751174 | Silver halide photographic material with light-insensitive silver halide emulsion layer | — | 1988-06-14 |
| 4634653 | Direct positive silver halide photographic emulsion | Yuji Mihara, Haruo Takei | 1987-01-06 |
| 4555481 | Silver halide photographic emulsions containing benzimidazolocarbocyanine dye having fluoroalkyl group at the nitrogen atom of benzimidazole | Toshinao Ukai, Masaki Okazaki, Haruo Takei | 1985-11-26 |
| 4552828 | Direct positive silver halide photographic emulsion | Yuji Mihara, Haruo Takei | 1985-11-12 |
| 4547452 | Color diffusion transfer photographic element with sufinic acid | — | 1985-10-15 |
| 4542092 | Color diffusion transfer element with spacer layer containing pigment and scavenger for oxidized developing agent | Osamu Takahashi | 1985-09-17 |
| 4511643 | Color diffusion transfer photographic element | — | 1985-04-16 |
| 4510235 | Silver halide photographic emulsions | Toshinao Ukai, Masaki Okazaki, Haruo Takei, Sadanobu Syuto | 1985-04-09 |
| 4431730 | Process for the preparation of internal latent image type silver halide photographic emulsions | Shigeharu Urabe, Shinji Sakaguchi, Tadao Sugimoto | 1984-02-14 |
| 4431731 | Internal latent image silver halide emulsions | Tadao Sugimoto, Shigeharu Urabe, Shinji Sakaguchi | 1984-02-14 |
| 4284717 | Silver halide photographic emulsion | Yoshiharu Fuseya | 1981-08-18 |