IP Library › Assignment 012360/0771
Patent Assignment
Reel/Frame 012360/0771

Assignment of Assignor's Interest

Recorded: 2001-11-07 Pages: 3
Assignors
CHANG, FANG-CHENG
Executed: 2001-11-06
PIERRAT, CHRISTOPHE
Executed: 2001-11-05
WEED, J. TRACY
Executed: 2001-11-05
Assignee
NUMERICAL TECHNOLOGIES INC.
70 WEST PLUMERIA DRIVE, SAN JOSE, CALIFORNIA, 95134
Covered Property (1)
Method of Incorporating Lens Aberration Information into Various Process Flows
Patent: 6,880,135 →
Application: 10/005,615 →
Publication: US 2003/0088847
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 4, 2005
From: SYNOPSYS MERGER HOLDINGS LLC
To: SYNOPSYS, INC.
Reel/Frame 015653/0738 →
Confirmation of Assignment Jan 13, 2010
From: NUMERICAL TECHNOLOGIES, INC.
To: SYNOPSYS MERGER HOLDINGS LLC
Reel/Frame 023774/0882 →