Granted Patent
Utility
US 4,847,190 · App. 07/277,412
Manufacturing process for silver halide photographic emulsion
Inventors:
Takehisa Kishita, Toshiharu Nagashima, Takeshi Murakami
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Nov 29, 1988
Inventors
Takehisa Kishita
Toshiharu Nagashima
Takeshi Murakami
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.