Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5595860 | Process for the processing of silver halide color photographic material | Takatoshi Ishikawa | 1997-01-21 |
| 5587282 | Silver halide photographic material | Haruyasu Nakatsugawa, Shigeharu Urabe | 1996-12-24 |
| 5480628 | Color developer and processing method using the same | Takatoshi Ishikawa | 1996-01-02 |
| 5342751 | Silver halide photosensitive material | Shingo Nishiyama, Yasuo Mukunoki | 1994-08-30 |
| 5326740 | Thermal transfer image-receiving material | Tetsu Kamosaki, Mitsugu Tanaka | 1994-07-05 |
| 5221603 | Silver halide photographic material | Tomokazu Yasuda, Yasushi Suga | 1993-06-22 |
| 5141679 | Oily droplet of hydrophobic material, microcapsule, and processes for preparing the same | Taku Nakamura | 1992-08-25 |
| 5063147 | Silver halide photographic light-sensitive material containing aliphatic carboxylic ester | Ryosuke Yamada, Yosuke Nishiura, Yukio Maekawa, Yuzo Higaki, Yoshiaki Iwamoto | 1991-11-05 |
| 4963476 | Silver halide photographic material | Tadao Sugimoto | 1990-10-16 |
| 4956263 | Silver halide photographic material containing a compound capable of releasing a dye | Kunio Ishigaki, Kazunobu Katoh, Nobuaki Inoue, Hisashi Okada, Toshinao Ukai +2 more | 1990-09-11 |
| 4943520 | Silver halide photographic material containing antistatic agents | Yasuo Mukunoki | 1990-07-24 |
| 4920032 | Silver halide photosensitive material | Ichizo Toya | 1990-04-24 |
| 4917993 | Silver halide photographic materials | Yasuo Mukunoki, Sumito Yamada | 1990-04-17 |
| 4916054 | Silver halide photographic element containing a coating aid | Jun Arakawa | 1990-04-10 |
| 4868097 | Heat development dye image forming method with surface active agents | Yasuo Aotsuka, Masatoshi Kato | 1989-09-19 |
| 4830906 | Magnetic recording medium | Yasuo Nishikawa | 1989-05-16 |
| 4784931 | Method for forming dye transfer image using amphoteric surface active agent | Yasuo Aotsuka, Hideki Naito | 1988-11-15 |
| 4783392 | Method for forming an dye transfer image with oil in separating layer | Toshiaki Aono, Takeshi Shibata, Yasuo Aotsuka, Kazuma Takeno | 1988-11-08 |
| 4722885 | Photographic light-sensitive material containing a specified graft polymer or copolymer | Shigeki Yokoyama, Junichi Yamanouchi, Yukio Maekawa | 1988-02-02 |
| 4623614 | Silver halide photographic light-sensitive materials | Yukio Maekawa, Shigeki Yokoyama, Junichi Yamanouchi | 1986-11-18 |
| 4622288 | Photographic light-sensitive material having improved antistaticity | Shigeki Yokoyama, Junichi Yamanouchi, Yukio Maekawa | 1986-11-11 |
| 4569905 | Silver halide photographic light-sensitive material | Yasuo Mukunoki, Jiro Yamaguchi | 1986-02-11 |
| 4367283 | Photographic light-sensitive material with three surface active agents | Yasuhiro Nakayama, Yasuo Mukunoki, Akira Kitada, Shinzo Kishimoto | 1983-01-04 |
| 4343894 | Photographic light-sensitive element with antistatic protective layer | Junji Minamizono, Shinzo Kishimoto | 1982-08-10 |
| 4304852 | Silver halide photographic light-sensitive material | Naohiko Sugimoto, Shinzo Kishimoto, Katsumi Ryoke, Nobuhisa Sekiguchi | 1981-12-08 |