Granted Patent
Utility
US 4,789,612 · App. 07/018,490
Method for forming color image
Inventors:
Satoshi Haneda, Kunihisa Yoshino
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Feb 24, 1987
Inventors
Satoshi Haneda
Kunihisa Yoshino
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.