Granted Patent
Utility
US 6,735,251 · App. 09/991,943
DECODING APPARATUS FOR PROTECTION OF DATA REPRODUCTION ACCORDING TO PROTECTION DATA AND FIRST AND SECOND APPARATUS PROTECTION DATA TO DETERMINE WHETHER MAIN DATA ARE REPRODUCED IN THEIR ENTIRETY, PARTIALLY OR NOT AT ALL
Inventor:
Takayuki Sugahara
Patented Case
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Granted: May 11, 2004
Filed: Nov 26, 2001
Inventor
Takayuki Sugahara
Assignee (at issue)
Victor Company of Japan, 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.