Granted Patent
Utility
US 4,514,491 · App. 06/374,481
Photosensitive silver halide emulsion
Inventors:
Takeo Koitabashi, Syoji Matsuzaka, Yuji Hotta, Masatoshi Iwata
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: May 3, 1982
Inventors
Takeo Koitabashi
Syoji Matsuzaka
Yuji Hotta
Masatoshi Iwata
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.