Granted Patent
Utility
US 4,297,437 · App. 06/209,582
Processing method of silver halide color photographic material
Inventors:
Yutaka Kaneko, Shigeto Hirabayashi, Satoshi Kawakatsu, Hidetaka Ninomiya
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Nov 24, 1980
Inventors
Yutaka Kaneko
Shigeto Hirabayashi
Satoshi Kawakatsu
Hidetaka Ninomiya
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.