Granted Patent
Utility
US 6,816,491 · App. 09/433,049
Multiplexed audio data decoding apparatus and receiver apparatus
Inventors:
Yukio Fujii, Shinichi Obata, Hiroaki Shirane, Eiji Yamamoto
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Nov 3, 1999
Inventors
Yukio Fujii
Shinichi Obata
Hiroaki Shirane
Eiji Yamamoto
Assignees (at issue)
HITACHI, LTD.
Hitachi Video and Information Systems, Inc.
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.