Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5262287 | Silver halide color reversal photographic material capable of providing interimage effect | Junichi Tamano | 1993-11-16 |
| 5213942 | Silver halide color reversal photographic maerial having silver halide emulsions with different grain diameters | Shigeo Hirano, Yasuhiro Hayashi | 1993-05-25 |
| 5153107 | Direct positive color photographic material | — | 1992-10-06 |
| 5104784 | Direct positive photosensitive material | Sadanobu Shuto | 1992-04-14 |
| 5081008 | Silver halide color photographic light-sensitive material containing a yellow filter layer | — | 1992-01-14 |
| 5081009 | Process for preparing an internal latent image silver halide emulsion | Hatsumi Tanemura, Sadanobu Shuto, Noriyuki Inoue | 1992-01-14 |
| 5024925 | Method of forming color image from a color reversal photographic material comprising a specified iodide content and spectral distribution | — | 1991-06-18 |
| 4994358 | Direct positive color light-sensitive material | Shigeo Hirano | 1991-02-19 |
| 4968592 | Direct positive image forming method comprising developing with a combination of nucleating agents | Satoshi Nagaoka, Noriyuki Inoue, Shigeo Hirano | 1990-11-06 |
| H830 | Silver halide color photographic material | Shinji Ueda, Koki Nakamura | 1990-10-02 |
| 4948712 | Direct positive photographic materials and a method of forming direct positive images | Noriyuki Inoue, Tatsuo Heki, Hidetoshi Kobayashi, Shigeo Hirano | 1990-08-14 |
| 4945033 | Direct positive photographic materials | Shigeru Ohno | 1990-07-31 |
| 4886738 | Silver halide color photographic material | Sadao Kamei, Kensuke Goda, Sadanobu Shuto, Yasuhiro Hayashi | 1989-12-12 |
| 4828972 | Method for manufacturing silver halide emulsion | Mikio Ihama, Sadanobu Shuto, Tadaaki Tani | 1989-05-09 |
| 4788132 | Silver halide color reversal photographic material | Tetsuro Kojima, Hideo Miyazaki, Shigeru Ohno, Koki Nakamura | 1988-11-29 |
| 4772546 | Silver halide photographic material with high interimage effects | Tetsuro Kojima, Hideo Miyazaki, Shigeru Ohno, Koki Nakamura | 1988-09-20 |
| 4764456 | Silver halide color photographic material | Toshiyuki Watanabe | 1988-08-16 |
| 4746599 | Silver halide color photosensitive materials | Nobutaka Ohki | 1988-05-24 |
| 4740454 | Silver halide photographic material | Tetsuro Kojima, Hideo Miyazaki, Shigeru Ohno, Koki Nakamura | 1988-04-26 |
| 4720451 | Silver halide color reversal light-sensitive material | Sadanobu Shuto | 1988-01-19 |
| 4696894 | Silver halide photographic materials containing 1,3,4-thiadiazole derivatives having a polar substituent | Tetsuro Kojima, Shigeru Ohno, Koki Nakamura, Hideo Miyazaki | 1987-09-29 |
| 4618571 | Silver halide color photographic light-sensitive material | Seiji Ichijima, Hideo Usui | 1986-10-21 |
| 4568635 | Silver halide light-sensitive material | Hiroyuki Yamagami, Kazunori Hasebe, Koki Nakamura, Hiroyuki Mifune | 1986-02-04 |
| 4558000 | Color reversal light-sensitive material | Hiroyuki Yamagami, Yasuhiro Hayashi, Kiyoshi Imai | 1985-12-10 |
| 4556633 | Silver halide color light-sensitive materials | Hatsumi Tanemura, Toshinao Ukai, Masaki Okazaki, Munehisa Fujita, Kiyohiko Yamamuro | 1985-12-03 |