Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5795485 | Process for treating photographic processing waste solution | Takashi Nakamura, Koji Matsuo | 1998-08-18 |
| 5575915 | Methods of removing silver | Takashi Nakamura, Yasuhiro Nakayama, Hideo Miyazaki | 1996-11-19 |
| 5200302 | Process for coating development of silver halide color photosensitive material | — | 1993-04-06 |
| H953 | Method for processing silver halide color photographic material | Masatoshi Goto, Kiyoshi Morimoto | 1991-08-06 |
| 4978433 | Method for recovering silver from photographic processing solution | Fumio Nakagawa | 1990-12-18 |
| 4954425 | Method for forming intensified color image | — | 1990-09-04 |
| 4880725 | Color image forming process utilizing substantially water-insoluble basic metal compounds and complexing compounds | Hiroyuki Hirai | 1989-11-14 |
| 4791048 | Color image forming process utilizing substantially water-insoluble basic metal compounds and complexing compounds | Hiroyuki Hirai, Yoshiharu Yabuki | 1988-12-13 |
| 4607004 | Silver halide color photographic light-sensitive material | Shinpei Ikenoue, Hiroyuki Mifune, Morio Yagihara | 1986-08-19 |
| 4469780 | Color image forming process | Hiroyuki Hirai, Koichi Nakamura | 1984-09-04 |
| 4298673 | Lithographic type diffusion transfer developing composition | Kikuo Kubotera, Eiichi Mizuki, Masato Satomura, Tadahiro Fujiwara | 1981-11-03 |