Granted Patent
Utility
US 4,774,053 · App. 07/120,702
Silver halide photographic light-sensitive material
Inventors:
Satoshi Nakagawa, Shuji Kida, Yasuhiko Kawashima, Kosaku Masuda
Patented Case
View Patent ↗
Granted: Sep 27, 1988
Filed: Nov 13, 1987
Inventors
Satoshi Nakagawa
Shuji Kida
Yasuhiko Kawashima
Kosaku Masuda
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.