IP Library › Assignment 038236/0178
Patent Assignment
Reel/Frame 038236/0178

Corrective Assignment to Correct the Assignor Document Date Should Be 12/20/2004 Previously Recorded on Reel 023683 Frame 0846. Assignor(S) Hereby Confirms the Assignment of Assignors Interest.

Recorded: 2016-03-23 Pages: 14
Assignor
NUMERICAL TECHNOLOGIES, INC.
Executed: 2004-12-20
Assignee
SYNOPSYS MERGER HOLDINGS, LLC.
700 E. MIDDLEFIELD ROAD, MOUNTAIN VIEW, CALIFORNIA, 94043
Covered Property (1)
Method and Apparatus for Fracturing Polygons on Masks Used in an Optical Lithography Process
Patent: 6,887,630 →
Application: 10/412,172 →
Publication: US 2004/0205687
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 →
Assignment of Assignor's Interest Dec 21, 2009
From: NUMERICAL TECHNOLOGIES, INC.
To: SYNOPSYS MERGER HOLDINGS LLC
Reel/Frame 023683/0846 →