Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943520 | Silver halide photographic material containing antistatic agents | Masakazu Yoneyama | 1990-07-24 |
| 4917993 | Silver halide photographic materials | Masakazu Yoneyama, Sumito Yamada | 1990-04-17 |
| 4895791 | Silver halide photographic element containing a polymer latex | — | 1990-01-23 |
| 4891307 | Silver halide photographic material | Yukio Maekawa, Shuzo Suga | 1990-01-02 |
| 4847186 | Silver halide photographic light-sensitive materials | Yukio Maekawa | 1989-07-11 |
| 4818675 | Silver halide photographic light sensitive material with improved silver blackness of picture image | Nobuaki Miyasaka, Hideo Ikeda, Minoru Sakai, Shigeru Ohno | 1989-04-04 |
| 4665005 | Stripping process for forming color image using fluorine surfactant | Toshiaki Aono, Kozo Sato, Koichi Nakamura | 1987-05-12 |
| 4649102 | Silver halide photographic light-sensitive material | Shigeki Yokoyama, Hiroshi Kawasaki, Ryoichi Nemori, Tetsuo Takeuchi | 1987-03-10 |
| 4618575 | Silver halide photographic light-sensitive material | Yukio Maekawa | 1986-10-21 |
| 4606996 | Method of reducing treatment of silver halide photographic light-sensitive material for photochemical process | Taku Nakamura, Yasuo Kasama | 1986-08-19 |
| 4596766 | Silver halide photographic materials | Ryoichi Nemori, Hiroshi Kawasaki | 1986-06-24 |
| 4569905 | Silver halide photographic light-sensitive material | Jiro Yamaguchi, Masakazu Yoneyama | 1986-02-11 |
| 4547459 | Photographic silver halide materials containing a high speed coating aid | Takayoshi Kamio, Kunihiko Ohga | 1985-10-15 |
| 4500362 | Process for preparing aqueous dispersion of pigment | Osamu Takahashi, Nobuo Yamamura, Shungi Ogawa, Yutaka Nakagawa | 1985-02-19 |
| 4474873 | Silver halide photographic light-sensitive materials containing fluorinated compounds | Yukio Maekawa, Naohiko Sugimoto | 1984-10-02 |
| 4464462 | Silver halide photographic light-sensitive material | Naohiko Sugimoto, Tetsuro Kojima | 1984-08-07 |
| 4405481 | Magnetic recording medium | Yasuyuki Yamada, Nobuo Tsuji, Tsutomu Okita | 1983-09-20 |
| 4388402 | Photographic light-sensitive material | Yasuhiro Nakayama, Shigeki Yokoyama | 1983-06-14 |
| 4367283 | Photographic light-sensitive material with three surface active agents | Yasuhiro Nakayama, Masakazu Yoneyama, Akira Kitada, Shinzo Kishimoto | 1983-01-04 |
| 4347308 | Photographic materials | Tetsuo Takeuchi, Junji Minanizono | 1982-08-31 |
| 4278757 | Silver halide photographic light-sensitive material | Masakazu Yoneyama, Jiro Yamaguchi, Hideki Naito, Jun Sasaki | 1981-07-14 |
| 4211836 | Method for dispersing oil-soluble photographic additives | Masakazu Yoneyama, Takeshi Mikami, Jun Sasaki | 1980-07-08 |
| 4193802 | Silver halide photographic light-sensitive material containing aromatic ester solvent | Hideki Naito, Akio Mitsui | 1980-03-18 |
| 4181527 | Photographic material comprising organic solvent gelling agent | Yuzo Toda, Junji Koizumi | 1980-01-01 |