Patent Assignment
Reel/Frame 022631/0411
Assignment of Assignor's Interest
Recorded: 2009-05-01
Pages: 3
Assignor
TIRAPU-AZPIROZ, JAIONE
Executed: 2009-04-28
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
Method for Forming Arbitrary Lithographic Wavefronts Using Standard Mask Technology
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 1, 2009
From: ROSENBLUTH, ALAN E.
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 022631/0401 →
Assignment of Assignor's Interest
Feb 1, 2013
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: MENTOR GRAPHICS CORPORATION
Reel/Frame 029733/0156 →
Merger and Change of Name
Jun 18, 2021
From: MENTOR GRAPHICS CORPORATION; SIEMENS INDUSTRY SOFTWARE INC.
To: SIEMENS INDUSTRY SOFTWARE INC.
Reel/Frame 057261/0545 →