Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5998124 | Production method of photographic silver halide emulsion | Katsuhisa Ohzeki, Tetsuro Kojima, Yasuhiro Mitamura | 1999-12-07 |
| 5587279 | Silver halide emulsion and method of preparing the same | Hiroyuki Mifune, Junichi Yamanouchi | 1996-12-24 |
| 5300421 | Method for quantitative measurement of trace enzyme and substrate used therein | Nobuhito Masuda, Nobuo Suzuki, Mitsunori Ono | 1994-04-05 |
| 5286617 | Silver halide color photographic material | Shigeaki Otani | 1994-02-15 |
| 5260183 | Silver halide photographic material | Tadashi Ikeda | 1993-11-09 |
| 5192647 | Method for development processing of silver halide photographic | Tetsuro Kojima, Hisashi Okada, Morio Yagihara | 1993-03-09 |
| 4983508 | Method for manufacturing a light-sensitive silver halide emulsion | Kiyoshi Morimoto | 1991-01-08 |
| 4873172 | Process for forming a superhigh contrast negative image | Shigeo Hirano, Tadao Shishido, Akio Miyake | 1989-10-10 |
| 4738918 | Process for processing silver halide photographic material | Hiroyuki Mifune, Shigeo Hirano, Nobuyuki Iwasaki | 1988-04-19 |
| 4634660 | Development-processing method for silver halide photographic light-sensitive material | Hiroyuki Mifune, Koki Nakamura | 1987-01-06 |
| 4631253 | Method for forming silver halide emulsion comprising forming silver halide grains in the presence of mesoionic 1,2,4-triazolium-3-thiolate compound | Hiroyuki Mifune, Koki Nakamura | 1986-12-23 |
| 4596767 | Silver halide photographic light-sensitive material | Yuji Mihara, Toshinao Ukai | 1986-06-24 |
| 4581322 | Image forming method | Hiroyuki Mifune, Morio Yagihara, Yoshio Inagaki, Kanji Meguro | 1986-04-08 |
| 4528264 | Silver halide photographic light-sensitive materials | Hiroyuki Mifune, Yoshiharu Fuseya, Tetsuro Kojima | 1985-07-09 |
| 4485169 | Silver halide photographic light-sensitive materials | Tetsuro Kojima, Akio Mitsui | 1984-11-27 |
| 4418140 | Process for the development of color photographic light-sensitive material | Hiroyuki Mifune, Tadao Shishido, Tatsuo Nishimura | 1983-11-29 |
| 4397943 | Silver halide photographic light-sensitive material | Yoshiharu Fuseya, Tatsuo Heki, Akio Mitsui | 1983-08-09 |
| 4395483 | Direct positive type silver halide photosensitive material | Terumi Matsuda, Shigenori Moriuchi, Yoshiaki Suzuki | 1983-07-26 |
| 4334010 | Silver halide photographic light-sensitive element | Hiroyuki Mifune, Tadao Shishido, Yoshiharu Fuseya, Teruaki Tsujikawa | 1982-06-08 |
| 4334014 | Silver halide photographic light-sensitive elements | Hiroyuki Mifune, Tadao Shishido, Jisaburo Ueyanagi | 1982-06-08 |
| 4266018 | Silver halide photographic emulsions | Tadao Shishido, Takeo Sakai, Noboru Sasaki, Joji Nagaoka, Minoru Matsuki | 1981-05-05 |
| 4224403 | Method for preventing the degradation of a hydrophilic colloid solution for silver halide photographic light-sensitive material | Yuzo Toda, Keiichi Adachi, Yasuhiro Nakayama | 1980-09-23 |