Granted Patent
Utility
US 4,616,253 · App. 06/499,232
White balance control apparatus for color video cameras
Inventors:
Takaaki Hashimoto, Kazushi Minagawa
Patented Case
View Patent ↗
Granted: Oct 7, 1986
Filed: May 31, 1983
Inventors
Takaaki Hashimoto
Kazushi Minagawa
Assignee (at issue)
Nippon Kogaku K.K.
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.