Granted Patent
Utility
US 4,421,845 · App. 06/357,149
Silver halide photographic light-sensitive material
Inventors:
Morito Uemura, Kenichi Kishi, Satoshi Nakagawa, Shuji Kida, Hiroshi Sugita
Patented Case
View Patent ↗
Granted: Dec 20, 1983
Filed: Mar 11, 1982
Inventors
Morito Uemura
Kenichi Kishi
Satoshi Nakagawa
Shuji Kida
Hiroshi Sugita
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.