IP Library › Assignment 020781/0549
Patent Assignment
Reel/Frame 020781/0549

Assignment of Assignor's Interest

Recorded: 2008-04-10 Pages: 4
Assignors
ALPERT, CHARLES J.
Executed: 2008-04-09
LI, ZHUO
Executed: 2008-04-09
QUAY, STEPHEN T.
Executed: 2008-04-09
VILLARRUBIA, PAUL G.
Executed: 2008-04-09
MAHMUD, TUHIN
Executed: 2008-04-09
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property (1)
Method and System for Concurrent Buffering and Layer Assignment in Integrated Circuit Layout
Patent: 7,895,557 →
Application: 12/100,477 →
Publication: US 2009/0259980
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 →