Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310631 | Method of processing a silver halide photosensitive material containing a silver halide sensitized with a selenium sensitizer using a black-and-white developer containing a chelate complex salt of a transition metal | Takashi Nakamura, Yasuhisa Ogawa | 1994-05-10 |