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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
09/17/2002
Application #:
09154397
Filing Dt:
09/16/1998
Inventors:
FANG-CHENG CHANG, YAO-TING WANG, YAGYENSH C. PATI
Title:
METHOD AND APPARATUS FOR DATA HIERARCHY MAINTENANCE IN A SYSTEM FOR MASK DESCRIPTION
Assignment: 1
Reel/Frame:
009609/0012Recorded: 11/23/1998Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
10/16/1998
Exec Dt:
10/16/1998
Exec Dt:
10/19/1998
Assignee:
2630 WALSH AVENUE, #100
SANTA CLARA, CALIFORNIA 95051
Correspondent:
WILSON SONSINI GOODRICH & ROSATI
KENT R. RICHARDSON, 1117-1
650 PAGE MILL ROAD
PALO ALTO, CA 94304-1050
Assignment: 2
Reel/Frame:
015653/0738Recorded: 02/04/2005Pages: 15
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/23/2004
Assignee:
700 E. MIDDLEFIELD ROAD
MOUNTAIN VIEW, CALIFORNIA 94043
Correspondent:
SYNOPSYS, INC.
ERIK OLIVER
700 E. MIDDLEFIELD ROAD
MOUNTAIN VIEW, CA 94043
Assignment: 3
Reel/Frame:
023679/0721Recorded: 12/22/2009Pages: 12
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/16/2009
Assignee:
700 E. MIDDLEFIELD ROAD
MOUNTAIN VIEW, CALIFORNIA 94043
Correspondent:
HAYNES BEFFEL & WOLFELD LLP, KENTA SUZUE
PO BOX 366, 637 MAIN STREET
HALF MOON BAY, CA 94019

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