Patent Assignment
Reel/Frame 013252/0623
Assignment of Assignor's Interest
Recorded: 2002-08-30
Pages: 4
Assignee
NUMERICAL TECHNOLOGIES, INC.
70 WEST PLUMERIA DRIVE, SAN JOSE, CALIFORNIA, 95134-2134
Covered Property
(1)
Considering Mask Writer Properties During the Optical Proximity Correction Process
Related Assignments
(3)
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 →
Assignment of Assignor's Interest
Jan 5, 2010
From: NUMERICAL TECHNOLOGIES, INC.
To: SYNOPSYS MERGER HOLDINGS, LLC.
Reel/Frame 023736/0273 →
Corrective Assignment to Correct the Assignor Document Date Should Be 12/20/2004 Previously Recorded on Reel 023736 Frame 0275. Assignor(S) Hereby Confirms the Assignment of Assignors Interest.
Mar 10, 2016
From: NUMERICAL TECHNOLOGIES, INC.
To: SYNOPSYS MERGER HOLDINGS, LLC.
Reel/Frame 038060/0911 →