DW

David J. Widiger

IBM: 26 patents #4,008 of 70,183Top 6%
Globalfoundries: 1 patents #2,221 of 4,424Top 55%
Overall (All Time): #145,158 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 25 most recent of 27 patents

Patent #TitleCo-InventorsDate
11314916 Capacitance extraction Steven Joseph Kurtz, Lewis W. Dewey, III, Susan E. Cellier, Ronald D. Rose 2022-04-26
11176308 Extracting parasitic capacitance from circuit designs Steven Joseph Kurtz, Susan E. Cellier, Lewis W. Dewey, III, Ronald D. Rose 2021-11-16
10929581 Selectively grounding fill wires Steven Joseph Kurtz, Ronald D. Rose 2021-02-23
10685168 Capacitance extraction for floating metal in integrated circuit Ronald D. Rose, Lewis W. Dewey, III, Harold E. Reindel 2020-06-16
10360338 Method for improving capacitance extraction performance by approximating the effect of distant shapes Susan E. Cellier, Lewis W. Dewey, III, Anthony D. Hagin, Adam P. Matheny, Ron D. Rose +1 more 2019-07-23
10354041 Process for improving capacitance extraction performance Robert J. Allen, Susan E. Cellier, Lewis W. Dewey, III, Anthony D. Hagin, Adam P. Matheny +1 more 2019-07-16
10169516 Methods and computer program products for via capacitance extraction Susan E. Cellier, Lewis W. Dewey, III, Anthony D. Hagin, Adam P. Matheny, Ronald D. Rose 2019-01-01
9886541 Process for improving capacitance extraction performance Robert J. Allen, Susan E. Cellier, Lewis W. Dewey, III, Anthony D. Hagin, Adam P. Matheny +1 more 2018-02-06
9317644 Generating capacitance look-up tables for wiring patterns in the presence of metal fills Ibrahim M. Elfadel, Tarek Ali El Moselhy 2016-04-19
8645899 Method for extracting information for a circuit design Ronald D. Rose, Sandy K. Kao, Lewis W. Dewey, III, Gerald F. Plumb 2014-02-04
8612918 Method for extracting information for a circuit design Ronald D. Rose, Sandy K. Kao, Lewis W. Dewey, III, Gerald F. Plumb 2013-12-17
8539428 Method for extracting information for a circuit design Ronald D. Rose, Sandy K. Kao, Lewis W. Dewey, III, Gerald F. Plumb 2013-09-17
8495540 Generating capacitance look-up tables for wiring patterns in the presence of metal fills Ibrahim M. Elfadel, Tarek Ali El Moselhy 2013-07-23
8245169 Generating capacitance look-up tables for wiring patterns in the presence of metal fills Ibrahim M. Elfadel, Tarek Ali El Moselhy 2012-08-14
8239804 Method for calculating capacitance gradients in VLSI layouts using a shape processing engine Ibrahim M. Elfadel, Lewis W. Dewey, III, Tarek A. El-Moselhy, Patrick M. Williams 2012-08-07
8136069 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 Lewis W. Dewey, III, Ibrahim M. Elfadel 2012-03-13
7844435 Integrated circuit chip having on-chip signal integrity and noise verification using frequency dependent RLC extraction and modeling techniques Michael Alexander Bowen, Alina Deutsch, Gerard V. Kopcsay, Byron L. Krauter, Barry J. Rubin +1 more 2010-11-30
7685549 Method of constrained aggressor set selection for crosstalk induced noise Debjit Sinha, Soroush Abbaspour, Ayesha Akhter, Gregory M. Schaeffer 2010-03-23
7475372 Methods for computing Miller-factor using coupled peak noise Chandramouli V. Kashyap, Gregory M. Schaeffer 2009-01-06
7346867 Method for estimating propagation noise based on effective capacitance in an integrated circuit chip Haihua Su, Ying Liu, Byron L. Krauter, Chandramouli V. Kashyap 2008-03-18
7319946 Method for on-chip signal integrity and noise verification using frequency dependent RLC extraction and modeling techniques Michael Alexander Bowen, Alina Deutsch, Gerard V. Kopcsay, Byron L. Krauter, Barry J. Rubin +1 more 2008-01-15
6601222 Coupled noise estimation and avoidance of noise-failure using global routing information Sharad Mehrotra, Parsotam T. Patel 2003-07-29
6523149 Method and system to improve noise analysis performance of electrical circuits Sharad Mehrotra, Mark W. Wenning 2003-02-18
6510540 Windowing mechanism for reducing pessimism in cross-talk analysis of digital chips Byron L. Krauter, Sharad Mehrotra, Jonathan Humphrey Saxman, Paul G. Villarrubia 2003-01-21
6131182 Method and apparatus for synthesizing and optimizing control logic based on SRCMOS logic array macros Michael P. Beakes, Barbara Alana Chappell, Terry I. Chappell, Gary S. Ditlow, Barry Lee Dorfman +5 more 2000-10-10