Granted Patent
Utility
US 4,818,671 · App. 07/079,224
Rapidly processable silver halide color photosensitive material
Inventors:
Keiji Ohbayashi, Mitsuhiro Okumura, Takaaki Kojima, Shigeo Tanaka
Patented Case
View Patent ↗
Granted: Apr 4, 1989
Filed: Jul 29, 1987
Inventors
Keiji Ohbayashi
Mitsuhiro Okumura
Takaaki Kojima
Shigeo Tanaka
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.