IP Library › Assignment 013297/0035
Patent Assignment
Reel/Frame 013297/0035

Assignment of Assignor's Interest

Recorded: 2002-09-16 Pages: 3
Assignor
PIERRAT, CHRISTOPHE
Executed: 2002-08-30
Assignee
NUMERICAL TECHNOLOGIES, INC.
70 W. PLUMERIA DRIVE, SAN JOSE, CALIFORNIA, 95134
Covered Property (1)
Phase Shift Mask Including Sub-Resolution Assist Features for Isolated Spaces
Patent: 6,777,141 →
Application: 10/244,226 →
Publication: US 2003/0013024
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 22, 2009
From: NUMERICAL TECHNOLOGIES, INC.
To: SYNOPSYS MERGER HOLDINGS LLC
Reel/Frame 023679/0913 →