Granted Patent
Utility
US 4,633,194 · App. 06/277,396
Digital frequency divider suitable for a frequency synthesizer
Inventors:
Hiroyuki Kikuchi, Atsushi Iwata, Takashi Matsuura, Yoshiharu Shigeta
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Jun 25, 1981
Inventors
Hiroyuki Kikuchi
Atsushi Iwata
Takashi Matsuura
Yoshiharu Shigeta
Assignees (at issue)
Nippon Telegraph and Telephone Public Corporation
NIPPON ELECTRIC 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.