Patent Assignment
Reel/Frame 022685/0800
Assignment of Assignor's Interest
Recorded: 2009-05-14
Pages: 6
Assignors
DEWEY, III, LEWIS WILLIAM
Executed: 2009-04-14
ELFADEL, IBRAHIM M.
Executed: 2009-04-13
WIDIGER, DAVID J.
Executed: 2009-04-13
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
Accurate Approximation of Resistance in a Wire with Irregular Biasing and Determination of Interconnect Capacitances in Vlsi Layouts in the Presence of Catastrophic Optical Proximity Correction
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 28, 2021
From: MENTOR GRAPHICS CORPORATION; SIEMENS INDUSTRY SOFTWARE INC.
To: SIEMENS INDUSTRY SOFTWARE INC.
Reel/Frame 056696/0081 →