Granted Patent
Utility
US 4,570,232 · App. 06/448,085
Speech recognition apparatus
Inventor:
Kiyohiro Shikano
Patented Case
View Patent ↗
Granted: Feb 11, 1986
Filed: Dec 9, 1982
Inventor
Kiyohiro Shikano
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.