Granted Patent
Utility
US 5,122,869 · App. 07/623,827
Video signal processing apparatus
Inventors:
Norihide Kinugasa, Hikaru Masui, Yoshimitsu Saka, Koichi Yoshimura, Toshiaki Ioi, Narutoshi Kanazawa
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Dec 7, 1990
Inventors
Norihide Kinugasa
Hikaru Masui
Yoshimitsu Saka
Koichi Yoshimura
Toshiaki Ioi
Narutoshi Kanazawa
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.