Granted Patent
Utility
US 4,764,457 · App. 07/111,127
Silver halide photographic emulsion
Inventors:
Yuji Hotta, Syoji Matsuzaka, Masanobu Miyoshi
Patented Case
View Patent ↗
Granted: Aug 16, 1988
Filed: Oct 15, 1987
Inventors
Yuji Hotta
Syoji Matsuzaka
Masanobu Miyoshi
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.