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USPTO Patent Rankings Data through Dec 31, 2025
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David E. Lackey — 45 Patents

IBM: 45 patents #1,990 of 70,183Top 3%
Poughkeepsie, NY: #77 of 1,613 inventorsTop 5%
New York: #2,224 of 115,490 inventorsTop 2%
Overall (All Time): #64,393 of 4,157,543Top 2%
45 Patents All Time
David E. Lackey has been granted 45 US patents while listed as an inventor at IBM. The first was granted in 1992 and the most recent in November 2013. David E. Lackey ranks #64,393 of 4,157,543 US inventors in our database (top 1.5%). Patent records list David E. Lackey in Poughkeepsie, NY, US.

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8589843 Method and device for selectively adding timing margin in an integrated circuit Chandramouili Visweswariah, Paul S. Zuchowski 2013-11-19 $3,686,000
8543966 Test path selection and test program generation for performance testing integrated circuit chips Jeanne P. Bickford, Peter A. Habitz, Vikram Iyengar, Jinjun Xiong 2013-09-24 $6,780,000
8504971 Method and device for selectively adding timing margin in an integrated circuit Chandramouili Visweswariah, Paul S. Zuchowski 2013-08-06 $34,206,000
8490040 Disposition of integrated circuits using performance sort ring oscillator and performance path testing Jeanne P. Bickford, Peter A. Habitz, Vikram Iyengar, Jinjun Xiong 2013-07-16 $5,283,000
8490045 Method and device for selectively adding timing margin in an integrated circuit Chandramouili Visweswariah, Paul S. Zuchowski 2013-07-16 $5,283,000
8423847 Microcontroller for logic built-in self test (LBIST) Gary D. Grise, Steven F. Oakland, Donald L. Wheater 2013-04-16 $3,567,000
8423844 Dense register array for enabling scan out observation of both L1 and L2 latches Pamela S. Gillis, Steven F. Oakland, Jeffery H. Oppold 2013-04-16 $3,567,000
8239715 Method and apparatus for a robust embedded interface Steven M. Eustis, Kevin W. Gorman, Michael R. Ouellette 2012-08-07 $7,112,000
8205124 Microcontroller for logic built-in self test (LBIST) Gary D. Grise, Steven F. Oakland, Donald L. Wheater 2012-06-19 $12,855,000
8181135 Hold transition fault model and test generation method Vikram Iyengar, Pamela S. Gillis, Steven F. Oakland 2012-05-15 $8,909,000
8122409 Method and device for selectively adding timing margin in an integrated circuit Chandramouli Visweswariah, Paul S. Zuchowski 2012-02-21 $5,017,000
8117579 LSSD compatibility for GSD unified global clock buffers James D. Warnock, Wendel Dieter, William V. Huott, Leon Sigal, Louis Bernard Bushard +1 more 2012-02-14 $8,403,000
7996807 Integrated test waveform generator (TWG) and customer waveform generator (CWG), design structure and method Gary D. Grise, Vikram Iyengar, David W. Milton 2011-08-09 $2,733,000
7996739 Avoiding race conditions at clock domain crossings in an edge based scan design 2011-08-09 $2,733,000
7937632 Design structure and apparatus for a robust embedded interface Steven M. Eustis, Kevin W. Gorman, Michael R. Ouellette 2011-05-03 $5,933,000
7856607 System and method for generating at-speed structural tests to improve process and environmental parameter space coverage Gary D. Grise, Peter A. Habitz, Vikram Iyengar, Chandramouli Visweswariah, Vladimir Zolotov 2010-12-21 $6,138,000
7721170 Apparatus and method for selectively implementing launch off scan capability in at speed testing Gary D. Grise, Vikram Iyengar, Mark R. Taylor 2010-05-18 $4,666,000
7620921 IC chip at-functional-speed testing with process coverage evaluation Eric A. Foreman, Gary D. Grise, Peter A. Habitz, Vikram Iyengar, Chandramouli Visweswariah +2 more 2009-11-17 $17,738,000
7560964 Latch and clock structures for enabling race-reduced MUX scan and LSSD co-compatibility Steven F. Oakland, Peter Verwegen 2009-07-14 $8,070,000
7529294 Testing of multiple asynchronous logic domains Gary D. Grise, Vikram Iyengar 2009-05-05 $6,523,000
7490280 Microcontroller for logic built-in self test (LBIST) Gary D. Grise, Steven F. Oakland, Donald L. Wheater 2009-02-10 $5,620,000
7487487 Design structure for monitoring cross chip delay variation on a semiconductor device Anthony D. Polson, Theodoros E. Anemikos, Laura S. Chadwick 2009-02-03 $3,057,000
7482851 Latch and clock structures for enabling race-reduced mux scan and LSSD co-compatibility Steven F. Oakland, Peter Verwegen 2009-01-27 $4,993,000
7484149 Negative edge flip-flops for muxscan and edge clock compatible LSSD 2009-01-27 $4,993,000
7435990 Arrangement for testing semiconductor chips while incorporated on a semiconductor wafer Brion Keller, Bernd Koenemann, Donald L. Wheater 2008-10-14 $7,419,000