IP Library › Granted Patent US 6,483,873
Granted Patent Utility
US 6,483,873 · Confirmation No. 1069

REPRODUCTION PROCTECTION METHOD ACCORDING TO BOTH MEDIUM AND APPARATUS PROTECTION LEVELS

Inventor: Takayuki Sugahara
Patented Case View Patent ↗ View Publication ↗
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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 3 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 6,483,873
App. No.
09/991,789
Filed
2001-11-26
Granted
2002-11-19
Pub. No.
US20020037039A1
Examiner
LEE, Y YOUNG
Art Unit
2613
PTA
-78 days