Granted Patent
Utility
US 4,258,392 · App. 06/095,927
Coding method for facsimile signal
Inventors:
Yasuhiro Yamazaki, Yasushi Wakahara, Kiyohiro Yuuki, Toyomichi Yamada
Patented Case
View Patent ↗
Granted: Mar 24, 1981
Filed: Nov 19, 1979
Inventors
Yasuhiro Yamazaki
Yasushi Wakahara
Kiyohiro Yuuki
Toyomichi Yamada
Assignees (at issue)
Kokusai Denshin Denwa Co., Ltd.
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.