Granted Patent
Utility
US 6,783,296 · App. 10/015,585
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Inventors:
Nobuhiro Tamura, Kazuhiko Asahina
Patented Case
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Granted: Aug 31, 2004
Filed: Dec 17, 2001
Inventors
Nobuhiro Tamura
Kazuhiko Asahina
Assignee (at issue)
NEC 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.