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Stephen T. Quay
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Austin, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Integrated circuit buffering solutions considering sink delays
Patent number
10,372,836
Issue date
Aug 6, 2019
International Business Machines Corporation
Ying Zhou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Integrated circuit buffering solutions considering sink delays
Patent number
10,372,837
Issue date
Aug 6, 2019
International Business Machines Corporation
Ying Zhou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Integrated circuit buffering solutions considering sink delays
Patent number
10,346,558
Issue date
Jul 9, 2019
International Business Machines Corporation
Ying Zhou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Addressing coupled noise-based violations with buffering in a batch...
Patent number
9,875,326
Issue date
Jan 23, 2018
International Business Machines Corporation
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Automatic generation of wire tag lists for a metal stack
Patent number
9,092,591
Issue date
Jul 28, 2015
International Business Machines Corporation
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Early design cycle optimization
Patent number
9,038,009
Issue date
May 19, 2015
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Physical synthesis optimization with fast metric check
Patent number
8,881,089
Issue date
Nov 4, 2014
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Automatic generation of wire tag lists for a metal stack
Patent number
8,769,468
Issue date
Jul 1, 2014
International Business Machines Corporation
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Early design cycle optimzation
Patent number
8,640,075
Issue date
Jan 28, 2014
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Timing driven routing in integrated circuit design
Patent number
8,386,985
Issue date
Feb 26, 2013
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Resolving global coupling timing and slew violations for buffer-dom...
Patent number
8,365,120
Issue date
Jan 29, 2013
International Business Machines Corporation
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Concurrent buffering and layer assignment in integrated circuit layout
Patent number
7,895,557
Issue date
Feb 22, 2011
International Business Machines Corporation
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Slew constrained minimum cost buffering
Patent number
7,890,905
Issue date
Feb 15, 2011
International Business Machines Corporation
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Techniques for super fast buffer insertion
Patent number
7,676,780
Issue date
Mar 9, 2010
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Buffer insertion to reduce wirelength in VLSI circuits
Patent number
7,484,199
Issue date
Jan 27, 2009
International Business Machines Corporation
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Slew constrained minimum cost buffering
Patent number
7,448,007
Issue date
Nov 4, 2008
International Business Machines Corporation
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Techniques for super fast buffer insertion
Patent number
7,392,493
Issue date
Jun 24, 2008
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Probabilistic congestion prediction with partial blockages
Patent number
7,299,442
Issue date
Nov 20, 2007
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for performing density-biased buffer insertion...
Patent number
7,137,081
Issue date
Nov 14, 2006
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for generating steiner trees using simultaneou...
Patent number
7,127,696
Issue date
Oct 24, 2006
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Porosity aware buffered steiner tree construction
Patent number
7,065,730
Issue date
Jun 20, 2006
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of and system for buffer insertion, layer assignment, and wi...
Patent number
7,036,104
Issue date
Apr 25, 2006
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for incorporating driver sizing into buffer in...
Patent number
6,915,496
Issue date
Jul 5, 2005
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Buffer insertion with adaptive blockage avoidance
Patent number
6,898,774
Issue date
May 24, 2005
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for determining buffered steiner trees for com...
Patent number
6,591,411
Issue date
Jul 8, 2003
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for buffer library selection for use in buffer...
Patent number
6,560,752
Issue date
May 6, 2003
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for re-routing interconnects within an integrated...
Patent number
6,401,234
Issue date
Jun 4, 2002
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for performing circuit analysis on an integrated-...
Patent number
6,360,350
Issue date
Mar 19, 2002
International Business Corporation
Carol Ivash Gabele
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for performing buffer insertion with accurate...
Patent number
6,347,393
Issue date
Feb 12, 2002
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for performing timing analysis on an integrated c...
Patent number
6,230,302
Issue date
May 8, 2001
International Business Machines Corporation
Carol Ivash Gabele
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
INTEGRATED CIRCUIT BUFFERING SOLUTIONS CONSIDERING SINK DELAYS
Publication number
20180373815
Publication date
Dec 27, 2018
International Business Machines Corporation
Ying Zhou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INTEGRATED CIRCUIT BUFFERING SOLUTIONS CONSIDERING SINK DELAYS
Publication number
20180373813
Publication date
Dec 27, 2018
International Business Machines Corporation
Ying Zhou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INTEGRATED CIRCUIT BUFFERING SOLUTIONS CONSIDERING SINK DELAYS
Publication number
20180373814
Publication date
Dec 27, 2018
International Business Machines Corporation
Ying Zhou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Addressing Coupled Noise-Based Violations with Buffering in a Batch...
Publication number
20170161407
Publication date
Jun 8, 2017
International Business Machines Corporation
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Automatic Generation of Wire Tag Lists for a Metal Stack
Publication number
20140223397
Publication date
Aug 7, 2014
International Business Machines Corporation
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Automatic Generation of Wire Tag Lists for a Metal Stack
Publication number
20140195998
Publication date
Jul 10, 2014
International Business Machines Corporation
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
EARLY DESIGN CYCLE OPTIMZATION
Publication number
20140101629
Publication date
Apr 10, 2014
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
EARLY DESIGN CYCLE OPTIMZATION
Publication number
20130326450
Publication date
Dec 5, 2013
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TIMING DRIVEN ROUTING IN INTEGRATED CIRCUIT DESIGN
Publication number
20120284683
Publication date
Nov 8, 2012
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Resolving Global Coupling Timing and Slew Violations for Buffer-Dom...
Publication number
20120144358
Publication date
Jun 7, 2012
International Business Machines Corporation
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and System for Concurrent Buffering and Layer Assignment in...
Publication number
20090259980
Publication date
Oct 15, 2009
Charles J. ALPERT
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
BUFFER INSERTION TO REDUCE WIRELENGTH IN VLSI CIRCUITS
Publication number
20090064080
Publication date
Mar 5, 2009
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
BUFFER INSERTION TO REDUCE WIRELENGTH IN VLSI CIRCUITS
Publication number
20090013299
Publication date
Jan 8, 2009
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SLEW CONSTRAINED MINIMUM COST BUFFERING
Publication number
20080295051
Publication date
Nov 27, 2008
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TECHNIQUES FOR SUPER FAST BUFFER INSERTION
Publication number
20080072202
Publication date
Mar 20, 2008
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Slew Constrained Minimum Cost Buffering
Publication number
20080016479
Publication date
Jan 17, 2008
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and Method of Eliminating Electrical Violations
Publication number
20070283301
Publication date
Dec 6, 2007
Arvind K. Karandikar
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Buffer Insertion to Reduce Wirelength in VLSI Circuits
Publication number
20070271543
Publication date
Nov 22, 2007
Charles J. Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Probabilistic congestion prediction with partial blockages
Publication number
20060156266
Publication date
Jul 13, 2006
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Techniqes for super fast buffer insertion
Publication number
20060112364
Publication date
May 25, 2006
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and apparatus for performing density-biased buffer insertion...
Publication number
20050138589
Publication date
Jun 23, 2005
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and apparatus for generating steiner trees using simultaneou...
Publication number
20050138578
Publication date
Jun 23, 2005
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Porosity aware buffered steiner tree construction
Publication number
20040216072
Publication date
Oct 28, 2004
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Buffer insertion with adaptive blockage avoidance
Publication number
20040123261
Publication date
Jun 24, 2004
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus and method for incorporating driver sizing into buffer in...
Publication number
20040064793
Publication date
Apr 1, 2004
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus and method for determining buffered steiner trees for com...
Publication number
20020133799
Publication date
Sep 19, 2002
International Business Machines Corporation
Charles Jay Alpert
G06 - COMPUTING CALCULATING COUNTING