Inventor
WIDIGER DAVID J
US24 patents
⚠️ This page may combine multiple inventors who share the name “WIDIGER DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
16 patentsUS6601222B1Jul 29, 2003
Coupled noise estimation and avoidance of noise-failure using global routing information
IBM53 citations95
US6523149B1Feb 18, 2003
Method and system to improve noise analysis performance of electrical circuits
IBM42 citations91
US6510540B1Jan 21, 2003
Windowing mechanism for reducing pessimism in cross-talk analysis of digital chips
IBM29 citations90
US7346867B2Mar 18, 2008
Method for estimating propagation noise based on effective capacitance in an integrated circuit chip
IBM18 citations83
US7685549B2Mar 23, 2010
Method of constrained aggressor set selection for crosstalk induced noise
IBM10 citations82
US7319946B2Jan 15, 2008
Method for on-chip signal integrity and noise verification using frequency dependent RLC extraction and modeling techniques
IBM6 citations73
US9886541B2Feb 6, 2018
Process for improving capacitance extraction performance
IBM4 citations70
US11176308B1Nov 16, 2021
Extracting parasitic capacitance from circuit designs
IBM3 citations68
US10360338B2Jul 23, 2019
Method for improving capacitance extraction performance by approximating the effect of distant shapes
IBM5 citations68
US7844435B2Nov 30, 2010
Integrated circuit chip having on-chip signal integrity and noise verification using frequency dependent RLC extraction and modeling techniques
IBM4 citations62
US10685168B2Jun 16, 2020
Capacitance extraction for floating metal in integrated circuit
IBM1 citations61
US11314916B2Apr 26, 2022
Capacitance extraction
IBM1 citations57
US7475372B2Jan 6, 2009
Methods for computing Miller-factor using coupled peak noise
IBM2 citations56
US10929581B2Feb 23, 2021
Selectively grounding fill wires
IBM0 citations50
US10354041B2Jul 16, 2019
Process for improving capacitance extraction performance
IBM0 citations49
US10169516B2Jan 1, 2019
Methods and computer program products for via capacitance extraction
IBM0 citations49
WIDIGER DAVID J
3 patentsUS8645899B2Feb 4, 2014
Method for extracting information for a circuit design
WIDIGER DAVID J4 citations68
US8612918B2Dec 17, 2013
Method for extracting information for a circuit design
WIDIGER DAVID J2 citations58
US8539428B2Sep 17, 2013
Method for extracting information for a circuit design
WIDIGER DAVID J0 citations48
ELFADEL IBRAHIM M
3 patentsUS8239804B2Aug 7, 2012
Method for calculating capacitance gradients in VLSI layouts using a shape processing engine
ELFADEL IBRAHIM M4 citations60
US8495540B2Jul 23, 2013
Generating capacitance look-up tables for wiring patterns in the presence of metal fills
ELFADEL IBRAHIM M0 citations50
US8245169B2Aug 14, 2012
Generating capacitance look-up tables for wiring patterns in the presence of metal fills
ELFADEL IBRAHIM M0 citations50