Issued Patents All Time
Showing 76–95 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5015763 | N-methyl-.alpha.-dialkylamioacetohydroxamic acid compound | — | 1991-05-14 |
| 5011923 | Polyacetyl oligosaccharide derivatives | Nobuo Suzuki | 1991-04-30 |
| 4966607 | Method of producing dyed polysaccharide:amino or imino starch derivative with reactive dye | Hiroshi Shinoki | 1990-10-30 |
| H782 | Silver halide color photographic material | Koji Tamoto, Yoshisada Nakamura, Shingo Sato | 1990-05-01 |
| 4892811 | Silver halide photographic material | Morio Yagihara, Akihiko Ikegawa | 1990-01-09 |
| 4888268 | Silver halide photographic materials comprising blocked photographic reagants releasing plug groups | Isamu Itoh, Yoshio Inagaki | 1989-12-19 |
| 4857447 | Silver halide color photographic light-sensitive material containing a coupler having a dye moiety | Koji Tamoto | 1989-08-15 |
| 4842985 | Silver halide color photographic material | Koji Tamoto, Keiji Mihayashi, Seiji Ichijima, Isamu Itoh, Yoshisada Nakamura | 1989-06-27 |
| 4831152 | 5-halo-6-nitro-2-substituted benzoxazole compounds | Isamu Itoh, Hidetoshi Kobayashi, Kazuyoshi Yamakawa | 1989-05-16 |
| 4772537 | Silver halide photographic materials containing a photographic reagent precursor | Isamu Itoh | 1988-09-20 |
| 4743595 | Process for preparing 2-amino-5-nitrophenol derivatives | Isamu Itoh, Hidetoshi Kobayashi, Kazuyoshi Yamakawa | 1988-05-10 |
| 4740453 | Silver halide photosensitive material containing a compound capable of releasing a photographically useful group | Koki Nakamura, Shigeo Hirano, Tadashi Ikeda, Keiji Mihayashi, Toshiro Takahashi +3 more | 1988-04-26 |
| 4734353 | Methods using oximes for processing a silver halide photographic light-sensitive material | Isamu Itoh, Keiji Mihayashi | 1988-03-29 |
| 4711837 | Silver halide color photographic material | Seiji Ichijima, Isamu Itoh, Keiji Mihayashi, Koji Tamoto, Yoshisada Nakamura | 1987-12-08 |
| 4652516 | Silver halide color photographic light-sensitive material | Seiji Ichijima, Shingo Sato, Noboru Sasaki | 1987-03-24 |
| 4629683 | Processing silver halide photographic material with blocked agent and hydroxylamine | Isamu Itoh, Keiji Mihayashi, Seiji Ichijima, Hidetoshi Kobayashi | 1986-12-16 |
| 4618563 | Photographic light-sensitive material | Isamu Itoh, Keiji Mihayashi | 1986-10-21 |
| 4554243 | Silver halide material with photographic agent blocked by nucleophilic attack removable group | Isamu Itoh | 1985-11-19 |
| 4518685 | Silver halide photographic light-sensitive material | Morio Yagihara, Akihiko Ikegawa, Yuji Mihara | 1985-05-21 |
| 4500636 | Silver halide photographic light-sensitive material | Isamu Itoh, Keiji Mihayashi, Yukio Karino | 1985-02-19 |