IP Library › Assignment 013646/0639
Patent Assignment
Reel/Frame 013646/0639

Assignment of Assignor's Interest

Recorded: 2002-12-30 Pages: 2
Assignor
LI, XIAOYANG
Executed: 2002-12-30
Assignee
NUMERICAL TECHNOLOGIES, INC.
70 W. PLUMERIA DR., SAN JOSE, CALIFORNIA, 95134-2134
Covered Property (1)
Lithography Process Modeling of Asymmetric Patterns
Patent: 7,149,998 →
Application: 10/335,513 →
Publication: US 2004/0126672
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 →