Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6233403 | Lens-fitted film unit with a built-in electronic flash unit and image forming method based on a photographic film exposed by the lens-fitted film unit with a built-in electronic flash unit | Kazuhisa Aratame, Kijiro Suzuki, Kei Kaneiwa, Masami Fujita, Hideaki Haraga +9 more | 2001-05-15 |
| 5508783 | Photographic processing system | Masaru Iwagaki | 1996-04-16 |
| 5002865 | Silver halide photographic material | Kenji Kumashiro, Hiroshi Kashiwagi, Syoji Matsuzaka | 1991-03-26 |
| 4990437 | Silver halide photographic light-sensitive material | Kenji Kumashiro, Syoji Matsuzaka, Hiroshi Kashiwagi | 1991-02-05 |
| 4977069 | Silver halide color photographic light sensitive material | Yoshitaka Yamada, Kenji Kumashiro, Hideo Akamatsu, Takashi Kamio | 1990-12-11 |
| 4840886 | Silver halide color photographic material containing a 1h-pyrazole (3,2-C)-s-triazole derived magenta coupler | Kenji Kumashiro, Hiroshi Kashiwagi, Koichi Hatta, Yuji Hotta, Hiroko Ohya +4 more | 1989-06-20 |
| 4777123 | Light-sensitive silver halide color photographic material | Yoshitaka Yamada, Hiroshi Shimazaki | 1988-10-11 |
| 4770979 | Developer composition | Shigeharu Koboshi, Hiroshi Yamazaki | 1988-09-13 |
| 4766058 | Silver halide photographic material with a specified silver density and dry thickness | Takeshi Sampei, Yoshitaka Yamada, Hiroshi Shimazaki, Kenji Kumashiro, Yoshiharu Mochizuki +2 more | 1988-08-23 |
| 4752558 | Light-sensitive silver halide color photographic material | Shinya Shimura, Yoshitaka Yamada, Kenji Kumashiro, Takashi Kamio | 1988-06-21 |
| 4746600 | Light-sensitive silver halide color photographic material with non-diffusable light-insensitive dye layer | Yoshikazu Watanabe, Hiroshi Shimazaki, Yoshiro Shigetomi, Toshihiko Yagi | 1988-05-24 |
| 4728603 | Method for the production of silver halide emulsion | Toshihiko Yagi, Syoji Matsuzaka, Hisashi Yamaguchi, Mikio Miura | 1988-03-01 |
| 4724198 | Light-sensitive silver halide color photographic material having multi-layered red-sensitive, green-sensitive and blue-sensitive emulsion layers | Yoshitaka Yamada, Kenji Kumashiro, Takashi Kamio, Shinya Shimura | 1988-02-09 |
| 4720452 | Light-sensitive silver halide photographic material | Hideki Takiguchi, Toshihiko Yagi, Yoshihiro Haga | 1988-01-19 |
| 4701404 | Silver halide color photographic material of high sensitivity and improved granularity | Yoshitaka Yamada, Kenji Kumashiro, Takashi Kamio, Shinya Shimura | 1987-10-20 |
| 4692400 | Silver halide photographic light-sensitive material | Kenji Kumashiro, Hideo Akamatsu, Syoji Matsuzaka | 1987-09-08 |
| 4665015 | Silver halide color photographic material containing a magenta coupler | Kenji Kumashiro, Hiroshi Kashiwagi, Koichi Hatta, Noritaka Nakayama, Satoshi Kawakatsu +2 more | 1987-05-12 |
| 4547458 | Silver halide color photographic light-sensitive material | Kiyoshi Yamashita | 1985-10-15 |
| 4543323 | Light-sensitive silver halide photographic material | Satoshi Nakagawa, Hiroshi Menjo | 1985-09-24 |
| 4521507 | Multi-layer light-sensitive silver halide color photographic material | Kiyoshi Yamashita | 1985-06-04 |
| 4511648 | Light-sensitive silver halide color photographic material | Kiyoshi Yamashita | 1985-04-16 |
| 4491627 | Light-sensitive silver halide photographic material with microcapsules that dissolve at pH of at least 7 | Shigeharu Koboshi, Hiroshi Yamazaki | 1985-01-01 |
| 4490459 | Multi-layered color photo-sensitive material | Kaoru Onodera, Wataru Fujimatsu | 1984-12-25 |
| 4481288 | Light-sensitive silver halide photographic material | Yoshitaka Yamada, Toshihiko Yagi, Yoshihiro Haga, Kenji Kumashiro, Hiroshi Menjo | 1984-11-06 |
| 4477560 | Light-sensitive silver halide color photographic material | Takeo Koitabashi, Kiyoshi Yamashita | 1984-10-16 |