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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
05/18/2004
Application #:
09823718
Filing Dt:
03/30/2001
Publication #:
Pub Dt:
07/04/2002
Inventors:
Michael S. Ripley, Jeffrey B. Lotspiech, Atsushi Ishihara, Taku Kato et al
Title:
VERIFYING THE INTEGRITY OF A MEDIA KEY BLOCK BY STORING VALIDATION DATA IN THE CUTTING AREA OF MEDIA
Assignment: 1
Reel/Frame:
014171/0678Recorded: 12/03/2003Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/28/2001
Assignee:
NEW ORCHARD ROAD
ARMONK, NEW YORK 10504
Correspondent:
IBM CORPORATION
MARC D. MCSWAIN
INTELLECTUAL PROPERTY LAW (C4TA/J2B)
650 HARRY ROAD
SAN JOSE, CALIFORNIA 95120-6099
Assignment: 2
Reel/Frame:
014898/0503Recorded: 01/20/2004Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/08/2004
Assignee:
2200 MISSION COLLEGE BLVD.
SANTA CLARA, CALIFORNIA 95052
Correspondent:
BLAKELY SOKOLOFF TAYLOR, ET AL.
LIBBY H. HOPE
12400 WILSHIRE BOULEVARD
7TH FLOOR
LOS ANGELES, CA 90025
Assignment: 3
Reel/Frame:
014362/0583Recorded: 02/20/2004Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
02/04/2004
Exec Dt:
02/04/2004
Assignee:
1-1, SHIBAURA 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8001
Correspondent:
BLAKELY SOKOLOFF TAYLOR, ET AL.
LIBBY H. HOPE
12400 WILSHIRE BOULEVARD
7TH FLOOR
LOS ANGELES, CA 90025
Assignment: 4
Reel/Frame:
014362/0626Recorded: 02/20/2004Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/05/2004
Assignee:
1006, OAZA KADOMA
KADOMA-SHI OSAKA, JAPAN 571-8501
Correspondent:
BLAKELY, SOKOLOFF, TAYLOR & ZAFMAN LLP
LIBBY H. HOPE
12400 WILSHIRE BOULEVARD, 7TH FLOOR
LOS ANGELES, CALIFORNIA 90025

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