Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5270153 | Cyan image forming method and silver halide color photographic material containing cyan coupler | Makoto Suzuki, Tadahisa Sato, Kozo Sato | 1993-12-14 |
| 5260181 | Color-forming coupler and a silver halide color photographic material containing the same | Kozo Sato, Koshin Matsuoka | 1993-11-09 |
| 5258270 | Silver halide color photographic material | Hidetoshi Kobayashi, Hiroo Takizawa | 1993-11-02 |
| 5256526 | Cyan image forming method and silver halide color photographic material containing cyan coupler | Makoto Suzuki, Tadahisa Sato, Kozo Sato, Hideaki Naruse, Yasuhiro Shimada | 1993-10-26 |
| 5227287 | Color-forming coupler and a silver halide color photographic material containing the same | Kozo Sato | 1993-07-13 |
| 5215871 | Method of forming cyan image with cyan dye forming coupler, and silver halide color photographic material containing the cyan dye forming coupler | Kozo Sato | 1993-06-01 |
| 5206129 | Dye forming couplers, and a method of color image formation and silver halide color photographic photosensitive materials in which they are used | Kozo Sato, Kiyoshi Takeuchi | 1993-04-27 |
| 5206130 | Cyan coupler, cyan image forming method using the same and silver halide color photographic material containing the same | Yasuhiro Shimada | 1993-04-27 |
| 5187055 | Silver halide color photographic material | Hidetoshi Kobayashi, Yasuhiro Shimada, Seiji Ichijima | 1993-02-16 |
| 5164289 | Dye forming coupler and silver halide color photographic material containing the same and method for forming color image | Yasuhiro Shimada, Jiro Tsukahara, Makoto Suzuki, Koushin Matsuoka | 1992-11-17 |
| 5066576 | Silver halide color photographic material | Seiji Ichijima, Naoki Saito, Keiji Mihayashi, Akira Ogawa | 1991-11-19 |
| 5035988 | Silver halide photographic material containing a yellow coupler and a phosphorus compound and color image forming method | Yoshisada Nakamura, Masakazu Morigaki, Kei Sakanoue | 1991-07-30 |
| 4960688 | Silver halide color photographic material | Kei Sakanoue, Tsumoru Hirano | 1990-10-02 |
| 4925561 | Composite planar and triangularly pleated filter element | Shigeru Okaya | 1990-05-15 |
| 4746638 | Alumina-titania composite powder and process for preparing the same | Saburo Hori | 1988-05-24 |
| 4454389 | Lambda type direct suspending overhead contact system for electric railway | Osamu Oda, Hiroji Noda, Masaru Iwase | 1984-06-12 |
| 4249927 | Method and apparatus for manufacturing glass products by controlling free flow of low viscosity molten glass | Fukushichi Fukuzaki, Masaki Fukuzawa | 1981-02-10 |