Granted Patent
Utility
US 4,841,376 · App. 07/080,872
Shading correcting method enabling prevention of effect of noise and apparatus therefor
Inventors:
Hiroyuki Yamamoto, Masahiko Matsunawa
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Aug 3, 1987
Inventors
Hiroyuki Yamamoto
Masahiko Matsunawa
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.