Issued Patents All Time
Showing 101–117 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767692 | Silver halide photographic material | Morio Yagihara, Shigeo Hirano | 1988-08-30 |
| 4761362 | Processing a photographic material comprising an emulsion layer providing a contrast gradation and another layer providing a soft tone gradation | Senzo Sasaoka, Shigenori Moriuchi, Kimitaka Kameoka, Kazunobu Katoh | 1988-08-02 |
| 4737452 | Silver halide photographic materials | Kimitaka Kameoka, Nobuaki Inoue, Hidetoshi Kobayashi, Toshiro Takahashi | 1988-04-12 |
| 4711963 | 4-amino-2-methyl-3-phenyl-1-(2,4,6-trichlorophenyl)-3-pyrazolin-5-one | Tadao Shishido | 1987-12-08 |
| 4681836 | Silver halide photographic material and method for forming high contrast negative image using the same | Nobuaki Inoue, Kimitaka Kameoka | 1987-07-21 |
| 4612277 | Image-receiving element for silver salt diffusion process with image stabilizer precursor | Katsusuke Endo | 1986-09-16 |
| 4610954 | Silver halide photographic light-sensitive material | Masaaki Torigoe, Tadao Shishido | 1986-09-09 |
| 4594426 | Benzoxazole derivative intermediates for synthesis of dye releasing redox compounds | Shinsaku Fujita, Koichi Koyama | 1986-06-10 |
| 4581322 | Image forming method | Shoji Ishiguro, Hiroyuki Mifune, Morio Yagihara, Kanji Meguro | 1986-04-08 |
| 4578245 | Multilayer analytical element | Fuminori Arai, Masao Kitajima | 1986-03-25 |
| 4569904 | Developing method | Eiich Okutsu, Kazumi Watase, Shigeo Hirano | 1986-02-11 |
| 4569899 | Photographic element for silver salt diffusion transfer process | Katsusuke Endo | 1986-02-11 |
| 4555479 | Color photographic light-sensitive material | Nobuo Sakai, Masaki Okazaki | 1985-11-26 |
| 4520096 | Photographic elements for silver salt diffusion transfer process containing mercapto imidazole stabilizers | Katsusuke Endo | 1985-05-28 |
| 4412951 | Reagents for measuring lipase activity | Masaki Okazaki, Shinsaku Fujita | 1983-11-01 |
| 4336322 | Color photographic light-sensitive material | Shinsaku Fujita, Koichi Koyama, Kokichi Waki | 1982-06-22 |
| 4310693 | o-Aminophenol compounds | Shinsaku Fujita, Koichi Koyama | 1982-01-12 |