IP Library › Assignment 012034/0770
Patent Assignment
Reel/Frame 012034/0770

Assignment of Assignor's Interest

Recorded: 2001-07-27 Pages: 2
Assignor
LIU, HUA-YU
Executed: 2001-07-26
Assignee
NUMERICAL TECHNOLOGIES INC.
70 W. PLUMERIA DRIVE, SAN JOSE, CALIFORNIA, 95134
Covered Property (1)
Method and Apparatus for Allowing Phase Conflicts in Phase Shifting Mask and Chromeless Phase Edges
Patent: 6,664,009 →
Application: 09/917,581 →
Publication: US 2003/0023401
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 →