IP Library › Assignment 011992/0968
Patent Assignment
Reel/Frame 011992/0968

Assignment of Assignor's Interest

Recorded: 2001-07-13 Pages: 3
Assignors
LIU, HUA-YU
Executed: 2001-07-12
PIERRAT, CHRISTOPHE
Executed: 2001-07-11
RICHARDSON, KENT
Executed: 2001-07-11
Assignee
NUMERICAL TECHNOLOGIES, INC.
70 WEST PLUMERIA DRIVE, SAN JOSE, CALIFORNIA, 95134
Covered Property (1)
Alternating Phase Shift Mask Design Conflict Resolution
Patent: 6,523,165 →
Application: 09/905,420 →
Publication: US 2003/0014732
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 →