Issued Patents All Time
Showing 51–75 of 143 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5206129 | Dye forming couplers, and a method of color image formation and silver halide color photographic photosensitive materials in which they are used | Kiyoshi Takeuchi, Yoshio Ishii | 1993-04-27 |
| 5192737 | Heat transfer dye-providing material | Seiiti Kubodera | 1993-03-09 |
| 5180652 | Light- and heat-sensitive composition, and recording material | Jun Yamaguchi, Sadao Ishige, Shintaro Washizu, Isamu Itoh | 1993-01-19 |
| 5162196 | Color coupler for photography and silver halide photographic material comprising the same | Yasuhiro Shimada, Hideaki Naruse | 1992-11-10 |
| 5100760 | Light-sensitive material containing silver halide, reducing agent and polymerizable compound | Soichiro Yamamoto | 1992-03-31 |
| 5100759 | Color light-sensitive material with infrared dye releaser | Hiroshi Hara, Koki Nakamura, Masaaki Tsukase, Katsuyuki Watanabe | 1992-03-31 |
| 5096801 | Color image recording method | Keizo Koya, Yoshiharu Yabuki, Hiroshi Hara | 1992-03-17 |
| 5064752 | Silver halide photographic materials | Kazunobu Katoh, Keisuke Shiba | 1991-11-12 |
| 5055537 | Metal-containing organic polymer | Ken Kawata, Masayoshi Tsuboi | 1991-10-08 |
| 4981833 | Recording material using thermodecoloring dye | — | 1991-01-01 |
| 4980265 | Color photosensitive material and process for producing image using same | Hiroyuki Hirai | 1990-12-25 |
| 4975361 | Color photographic light-sensitive material | Hiroshi Hara | 1990-12-04 |
| 4970307 | Process for formation of base and light-sensitive material | Keiji Takeda, Jiro Tsukahara | 1990-11-13 |
| 4956456 | Betaine-type cyan monoazo dyes for dying and printing fibrous materials | Masaaki Tsukase | 1990-09-11 |
| 4927897 | Metal-containing organic polymer and use thereof | Ken Kawata, Masayoshi Tsuboi | 1990-05-22 |
| 4910187 | Heat-sensitive transfer material | Takeshi Nakamine, Seiiti Kubodera | 1990-03-20 |
| 4902599 | Light-sensitive material | Soichiro Yamamoto, Toshiaki Aono, Koichi Nakamura | 1990-02-20 |
| 4892858 | Heat sensitive transfer materials | Takeshi Nakamine | 1990-01-09 |
| 4880730 | Silver halide light-sensitive material | Yoshisada Nakamura | 1989-11-14 |
| 4877720 | Silver halide photographic material | Shigeru Ohno, Sumito Yamada | 1989-10-31 |
| 4864024 | Leuco dyes | Toru Harada | 1989-09-05 |
| 4845018 | Image-forming process involving heating step | Hiroshi Kitaguchi, Masashi Takeuchi, Masaaki Tsukase, Masatoshi Kato | 1989-07-04 |
| 4839333 | Recording material containing leuco dye | Toru Harada, Naoki Saito | 1989-06-13 |
| 4837142 | Color light-sensitive material | Masashi Takeuchi, Takeshi Shibata | 1989-06-06 |
| 4835272 | Process for formation of base and light-sensitive material | Shunichi Ishikawa, Ken Kawata | 1989-05-30 |