Granted Patent
Utility
US 4,701,405 · App. 06/769,764
Dye-sensitized light-sensitive core/shell silver halide photographic material
Inventors:
Hideki Takiguchi, Yoshitaka Yamada, Hirofumi Ohtani, Hiroshi Kashiwagi
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Aug 26, 1985
Inventors
Hideki Takiguchi
Yoshitaka Yamada
Hirofumi Ohtani
Hiroshi Kashiwagi
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.