Patent Assignment
Reel/Frame 023679/0347
Assignment of Assignor's Interest
Recorded: 2009-12-21
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 Creating a Phase-Shifting Mask for a Photolithographic Process
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.