Granted Patent
Utility
US 4,980,758 · App. 07/256,917
Image processing technique for processing digital color image information
Inventors:
Masahiko Matsunawa, Hiroyuki Yamamoto, Hiroshi Niki
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Oct 12, 1988
Inventors
Masahiko Matsunawa
Hiroyuki Yamamoto
Hiroshi Niki
Assignee (at issue)
Konica Corporation
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.