Patent Assignment
Reel/Frame 023688/0478
Assignment of Assignor's Interest
Recorded: 2009-12-22
Pages: 12
Assignor
NUMERICAL TECHNOLOGIES, INC.
Executed: 2009-12-16
Assignee
SYNOPSYS MERGER HOLDINGS LLC
700 E. MIDDLEFIELD ROAD, MOUNTAIN VIEW, CALIFORNIA, 94043
Covered Property
(1)
Method and Apparatus for Data Hierarchy Maintenance in a System for Mask Description