IP Library Granted Patent US 6,661,756
Granted Patent Utility
US 6,661,756 · Confirmation No. 6608

DISKLIKE RECORDING MEDIA, A METHOD FOR DETECTING FORGED DISKS, AN ANTI-FORGERY SYSTEM FOR PERFORMING A TRUE-FALSE JUDGEMENT BASED ON INFORMATION COLLECTED FROM THE RECORDING MEDIA, AND A MANUFACRURING APPARATUS FOR RECORDING INFORMATION IN THE DISKS

Inventor: Tetsuya Kondo
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Code Description Pages PDF
2017-03-18 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2017-03-18 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2002-01-03 TRNA Transmittal of New Application 2 View
2002-01-03 A.PE Preliminary Amendment 1 View
2002-01-03 SPEC Specification 19 View
2002-01-03 CLM Claims 10 View
2002-01-03 ABST Abstract 1 View
2002-01-03 DRW Drawings-only black and white line drawings 12 View
2002-01-03 OATH Oath or Declaration filed 3 View
2002-01-03 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,661,756
App. No.
10/038,534
Filed
2002-01-03
Granted
2003-12-09
Pub. No.
US20020097649A1
Art Unit
2653
PTA
-120 days