Granted Patent
Utility
US 4,238,768 · App. 05/960,542
Picture signal coding apparatus
Inventors:
Eiji Mitsuya, Tomio Kishimoto, Katsusuke Hoshida
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: Nov 14, 1978
Inventors
Eiji Mitsuya
Tomio Kishimoto
Katsusuke Hoshida
Assignee (at issue)
Nippon Telegraph and Telephone Public 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.