IP Library › Assignment 023695/0307
Patent Assignment
Reel/Frame 023695/0307

Assignment of Assignor's Interest

Recorded: 2009-12-23 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)
Exposure Control for Phase Shifting Photolithographic Masks
Patent: 6,852,471 →
Application: 09/972,428 →
Publication: US 2002/0187636
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 5, 2001
From: PIERRAT, CHRISTOPHE; COTE, MICHEL LUC
To: NUMERICAL TECHNOLOGIES, INC.
Reel/Frame 012240/0354 →
Assignment of Assignor's Interest Feb 4, 2005
From: SYNOPSYS MERGER HOLDINGS LLC
To: SYNOPSYS, INC.
Reel/Frame 015653/0738 →