Issued Patents All Time
Showing 26–50 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5013636 | Silver halide color photographic materials | Shigeru Ohno, Yoshihiro Jimbo, Shigeru Kuwashima | 1991-05-07 |
| 5004674 | Silver halide photosensitive material | Kazunobu Katoh, Kouichi Kawamura | 1991-04-02 |
| 4999281 | Optical information recording medium | Yoshio Inagaki, Masao Yabe | 1991-03-12 |
| 4994343 | Optical information recording medium | Yoshio Inagaki, Masao Yabe | 1991-02-19 |
| 4975359 | Photographic light-sensitive materials containing couplers that release diffusible dyes and DIR compounds | Noboru Sasaki, Kei Sakanoue, Seiji Ichijima, Hidetoshi Kobayashi | 1990-12-04 |
| 4968593 | Optical information recording medium | Yoshio Inagaki, Yoshihiro Jimbo, Masao Yabe | 1990-11-06 |
| 4952484 | Silver halide photographic material | Kazunobu Katoh | 1990-08-28 |
| 4952480 | Photopolymerizable composition | Jun Yamaguchi, Fumiaki Shinozaki, Masaki Okazaki | 1990-08-28 |
| 4935337 | Silver halide photographic material | Shigeru Kuwashima, Yoshihiro Jimbo | 1990-06-19 |
| 4933268 | Silver halide photographic material having at least one dyed hydrophilic colloid layer | Shigeru Ohno, Tadashi Ito, Sumito Yamada, Tomokazu Yasuda | 1990-06-12 |
| 4925782 | Silver halide photographic light-sensitive element containing water soluble dye compounds | Masahiro Okada, Toshinao Ukai, Seiji Suzuki, Toshiyuki Watanabe, Kunio Ishigaki | 1990-05-15 |
| 4923638 | Near infrared absorbing composition | Shigeru Ohno, Yuji Mihara, Toshinao Ukai, Gouichi Hayashi | 1990-05-08 |
| 4920031 | Silver halide photographic light-sensitive elements containing water soluble dyestuffs | Shigeru Ohno, Yoshio Inagaki, Yasuhito Momoki | 1990-04-24 |
| 4912023 | Photographic light-sensitive materials having an oil component and a block copolymer | Junichi Matsuyama, Yukio Aogaki | 1990-03-27 |
| 4885228 | Optical information recording medium | Yoshio Inagaki, Yoshiaki Suzuki | 1989-12-05 |
| 4879204 | Silver halide photographic element containing anhydazine compound and specific dyes | Kunio Ishigaki, Toshiro Takahashi, Yuji Mihara, Shigeru Ohno, Masahiro Okada +1 more | 1989-11-07 |
| 4865957 | Color photographic light-sensitive material comprising a combination of cyan couplers and UV absorbers | Minoru Sakai | 1989-09-12 |
| 4851322 | Optical recording medium | Yoshio Inagaki, Takanori Hioki, Naonori Makino, Yoshiaki Suzuki | 1989-07-25 |
| 4839265 | Silver halide photosensitive material containing an infrared absorption dye | Shigeru Ohno, Yuji Mihara | 1989-06-13 |
| 4833246 | Novel pyrazolone dye | Shigeru Ohno, Yoshio Inagaki, Nobuo Seto, Yoshihiro Jinbo | 1989-05-23 |
| 4830950 | Silver halide photographic material | Kenichi Kuwabara, Toshiro Takahashi, Masahiro Okada | 1989-05-16 |
| 4789624 | Silver halide color photographic light-sensitive material | Kei Sakanoue, Shigeo Hirano, Takehiko Ueda | 1988-12-06 |
| 4729944 | Silver halide photographic light-sensitive material | Keiji Mihayashi, Shunji Takada, Seiji Ichijima, Hidetoshi Kobayashi | 1988-03-08 |
| 4657846 | Silver halide photographic printing paper | Tadayoshi Kokubo, Tadashi Ikeda, Masaki Okazaki, Tetsuo Yoshida | 1987-04-14 |
| 4619893 | Light-sensitive material for silver salt diffusion transfer process with antihalation dye | Yoshihiro Takagi | 1986-10-28 |