Issued Patents All Time
Showing 276–300 of 326 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006453 | Silver halide color photographic material having improved dye image stability | Minoru Sakai, Genichi Furusawa, Tsumoru Hirano | 1991-04-09 |
| 5004675 | Method for processing a silver halide photosensitive material for color photography | Hiroyuki Yoneyama, Kazuaki Yoshida, Takatoshi Ishikawa | 1991-04-02 |
| 5001045 | Silver halide color photographic material containing sparingly water soluble epoxy compound and organic soluble polymer | Nobuo Furutachi | 1991-03-19 |
| 4991075 | Low-switching loss DC-DC converter | Akira Saitou, Seigou Tsukada, Yasuyuki Sohara, Hideki Tsuruse, Hidehiko Sugimoto | 1991-02-05 |
| 4983507 | Silver halide color photographic materials | Hideaki Naruse, Masakazu Morigaki, Nobutaka Ohki, Nobuo Furutachi | 1991-01-08 |
| 4971898 | Silver halide color photographic light-sensitive material | Kozo Aoki | 1990-11-20 |
| 4957848 | Heat developable color light-sensitive material with dye developers | Koichi Koyama, Keizo Koya | 1990-09-18 |
| 4946770 | Silver halide color photographic material | Tsumoru Hirano, Seiki Sakanoue | 1990-08-07 |
| 4945031 | Image-forming process comprising bleaching at low pH a material comprising a cyan coupler and hydroquinone | Minoru Sakai, Kozo Aoki | 1990-07-31 |
| 4939072 | Color photographs and process for making the same | Masakazu Morigaki, Nobuo Seto, Hideaki Naruse | 1990-07-03 |
| 4925748 | Alkaline storage battery using hydrogen absorbing alloy | Munehisa Ikoma, Hiroshi Kawano, Isao Matsumoto, Masakazu Ikeyama | 1990-05-15 |
| 4921968 | Pyrazoloazoleazomethine dyes | Shigeki Yokoyama, Tadahisa Sato, Keizo Kimura, Nobuo Furutachi | 1990-05-01 |
| 4910721 | Electronic watch | Motomu Hayakawa, Osamu Miyazawa | 1990-03-20 |
| 4900655 | Silver halide color photographic light-sensitive material | Kiyoshi Nakazyo, Takeshi Hirose, Genichi Hurusawa, Nobuo Furutachi, Hidetoshi Kobayashi | 1990-02-13 |
| 4892214 | Metal container and method of manufacturing the same | Masami Hamaguchi, Hiromu Yanagihara, Osamu Hiraoka | 1990-01-09 |
| H706 | Silver halide color photosensitive materials | Nobuo Furutachi, Masakazu Morigaki | 1989-11-07 |
| 4857449 | Silver halide color photographic photosensitive materials | Tadashi Ogawa | 1989-08-15 |
| 4797349 | Method for forming a color image comprising developing a light sensitive material containing a surfactant with a developer not containing benzyl alcohol | Tadashi Ogawa, Minoru Sakai, Masaharu Toriuchi | 1989-01-10 |
| 4770987 | Silver halide color photographic materials containing an antisain agent and a magenta coupler in lipophilic fine particles | Hideaki Naruse, Masakazu Morigaki, Nobutaka Ohki, Tadahisa Sato | 1988-09-13 |
| 4770990 | Silver halide photographic light-sensitive material containing a compound capable of imagewise releasing a photographically useful group during development | Koki Nakamura, Shigeo Hirano | 1988-09-13 |
| 4766056 | Light-sensitive material with compounds reactive with dye developers | Koichi Koyama, Keizo Koya | 1988-08-23 |
| 4762773 | Silver halide color photographic light-sensitive material containing a hydroquinone derivative and a pyrazoloazole coupler | Nobuo Sakai | 1988-08-09 |
| 4729942 | Method for forming an image | Kiyoshi Morimoto | 1988-03-08 |
| 4727592 | Optical communication system | Akihiro Okada, Shun Suzuki, Kiyotaka Shikata | 1988-02-23 |
| 4725742 | Semiconductor integrated circuit having a tree circuit | Hiroshi Tachimori, Hiroshi Fukuta, Takeshi Fukazawa, Takao Ohkubo | 1988-02-16 |