IP Library › Assignment 013635/0663
Patent Assignment
Reel/Frame 013635/0663

Assignment of Assignor's Interest

Recorded: 2002-12-20 Pages: 4
Assignors
TSAI, CHI-MING
Executed: 2002-12-20
LIN, CHIN-HSEN
Executed: 2002-12-19
WANG, YAO-TING
Executed: 2002-12-19
Assignee
NUMERICAL TECHNOLOGIES, INC.
70 WEST PLUMERIA DRIVE, SAN JOSE, CALIFORNIA, 95134-2134
Covered Property (1)
Incremental Lithography Mask Layout Design and Verification
Patent: 6,904,587 →
Application: 10/327,446 →
Publication: US 2004/0123264
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 →