Granted Patent
Utility
US 6,697,775 · App. 10/108,430
Audio coding method, audio coding apparatus, and data storage medium
Inventor:
Eiji Kawahara
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Mar 29, 2002
Inventor
Eiji Kawahara
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.