IP Library › Granted Patent US 6,522,692
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US 6,522,692 · Confirmation No. 1002

REPRODU CTION PROTECTION METHOD ACCOARDING TO BOTH MEDIUM AND APPARATUS PROTECTION DATA AND A MEDIUM THEREFOR

Inventor: Takayuki Sugahara
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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
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2001-11-26 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,522,692
App. No.
09/991,777
Filed
2001-11-26
Granted
2003-02-18
Pub. No.
US20020034226A1
Examiner
LEE, Y YOUNG
Art Unit
2613
PTA
0 days