IP Library › Assignment 014025/0080
Patent Assignment
Reel/Frame 014025/0080

Assignment of Assignor's Interest

Recorded: 2003-04-29 Pages: 2
Assignor
ZHANG, YOUPING
Executed: 2003-04-28
Assignee
NUMERICAL TECHNOLOGIES, INC.
700 EAST MIDDLEFIELD ROAD, BUILDING C, MOUNTAIN VIEW, CALIFORNIA, 94043
Covered Property (1)
Method and Apparatus for Performing Target-Image-Based Optical Proximity Correction
Patent: 7,005,218 →
Application: 10/426,583 →
Publication: US 2004/0219436
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 →