IP Library › Assignment 020355/0354
Patent Assignment
Reel/Frame 020355/0354

Assignment of Assignor's Interest

Recorded: 2008-01-11 Pages: 6
Assignors
SHEPHARD, III., PHILIP G.
Executed: 2007-12-10
LEDALLA, RAVICHANDER
Executed: 2008-01-03
RAO, VASANT
Executed: 2007-12-10
SOREFF, JEFFREY P.
Executed: 2007-12-06
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property (1)
System and Method for Improved Hierarchical Analysis of Electronic Circuits
Patent: 7,870,515 →
Application: 11/972,923 →
Publication: US 2009/0183130
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 18, 2021
From: MENTOR GRAPHICS CORPORATION; SIEMENS INDUSTRY SOFTWARE INC.
To: SIEMENS INDUSTRY SOFTWARE INC.
Reel/Frame 057261/0545 →