Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11529045 | Encoscope-cleaning device | Shoji Yabuzaki | 2022-12-20 |
| 5437966 | Silver halide color negative photographic light sensitive material | Hideaki Haraga, Miki Kon, Hiroshi Shimazaki, Yoshihide Urakawa, Yoshitaka Yamada +2 more | 1995-08-01 |
| 5334494 | Silver halide photographic light-sensitive material | Eiichi Ueda, Fumie Fukazawa | 1994-08-02 |
| 5312727 | Silver halide photographic light-sensitive material having a high sensitivity and capable of forming an image with an excellent quality and gradation | Hiroyuki Hoshino, Toshiya Kondou, Katsuhiko Suzuki | 1994-05-17 |
| 5306611 | Silver halide photographic emulsion materials | Masaru Iwagaki, Toshiya Kondou, Hideo Akamatsu, Minoru Ishikawa | 1994-04-26 |
| H1300 | Silver halide light sensitive color photographic material | Toshiya Kondou, Hiroyuki Hoshino, Katsuhiko Heki | 1994-04-05 |
| 5262294 | Silver halide photographic light sensitive material | Syoji Matsuzaka | 1993-11-16 |
| 5258269 | Silver halide color photographic light sensitive material stored in roll and the photographic unit therefor | Yoshiro Ito, Katsuhiko Heki | 1993-11-02 |
| 5215879 | Process for preparing a silver halide emulsion | Tetuya Suzuki, Shin Yamamoto, Harumi Asakawa, Noriki Tachibana | 1993-06-01 |
| 5212054 | Silver halide color photographic light-sensitive material | Koji Tashiro, Hideaki Haraga, Atsuo Ezaki, Hiroshi Ideda, Katsutoyo Suzuki +6 more | 1993-05-18 |
| 5204235 | Method for manufacturing silver halide emulsion in which the ripening temperature is less than the nucleation temperature | Shin Yamamoto | 1993-04-20 |
| 5183730 | Silver halide photographic light-sensitive material improved in gradation, processing stability and other properties | — | 1993-02-02 |
| 5156944 | Light-sensitive silver halide color photographic material having cross-emulsion sensitive DIR compounds | Hiroshi Inoie, Minoru Ishikawa, Hiroshi Shimazaki, Katutoyo Suzuki, Fumio Hamada | 1992-10-20 |
| 5124243 | Light-sensitive silver halide photographic material | Yoshiharu Mochizuki | 1992-06-23 |
| 5063140 | Method for processing silver halide color photographic light-sensitive materials | Satoru Kuse, Masao Ishikawa, Shigeharu Koboshi, Minoru Ishikawa | 1991-11-05 |
| 5034310 | Silver halide color photographic photosensitive material | Hiroshi Ikeda, Yoshitaka Yamada | 1991-07-23 |
| 5009988 | Silver halide color photographic light-sensitive material | Yoshitaka Yamada | 1991-04-23 |
| 5004680 | High-speed and well-preservable silver halide photographic light-sensitive material | Kenji Kumashiro, Hideki Takiguchi | 1991-04-02 |
| 4963467 | Silver halide photographic emulsion | Sadayasu Ishikawa, Masaru Tsukamoto | 1990-10-16 |
| 4818670 | Silver halide photographic light-sensitive materials containing compound capable of splitting of diffusible development inhibitor or precursor and silver halide grain having internal fog nucleus | Hiroshi Shimazaki | 1989-04-04 |
| 4798775 | Process for producing silver halide photographic emulsion | Shinya Shimura | 1989-01-17 |
| 4762778 | Silver halide photographic light sensitive material | Katsumasa Yamazaki, Kenji Michiue, Sohei Goto, Yoshiharu Mochizuki | 1988-08-09 |
| 4746600 | Light-sensitive silver halide color photographic material with non-diffusable light-insensitive dye layer | Yoshikazu Watanabe, Hiroshi Shimazaki, Toshifumi Iijima, Yoshiro Shigetomi | 1988-05-24 |
| 4728603 | Method for the production of silver halide emulsion | Toshifumi Iijima, Syoji Matsuzaka, Hisashi Yamaguchi, Mikio Miura | 1988-03-01 |
| 4720452 | Light-sensitive silver halide photographic material | Hideki Takiguchi, Toshifumi Iijima, Yoshihiro Haga | 1988-01-19 |