IP Library › Granted Patent US 6,466,619
Granted Patent Utility
US 6,466,619 · Confirmation No. 3977

DECODNG APPARATUS FOR PROTECTION OF DATA REPRODUCTION ACCORDING TO BOTH PROTECTION DATA AND APPARATUS PROTECTION DATA

Inventor: Takayuki Sugahara
Patented Case View Patent ↗
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 Code Description Pages PDF
2005-05-26 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-11-26 TRNA Transmittal of New Application 2 View
2001-11-26 SPEC Specification 34 View
2001-11-26 CLM Claims 2 View
2001-11-26 ABST Abstract 1 View
2001-11-26 DRW Drawings-only black and white line drawings 16 View
2001-11-26 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,466,619
App. No.
09/991,713
Filed
2001-11-26
Granted
2002-10-15
Examiner
LEE, Y YOUNG
Art Unit
2613
PTA
-39 days