DL

David E. Lackey

IBM: 45 patents #1,982 of 70,183Top 3%
Overall (All Time): #65,876 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 25 most recent of 45 patents

Patent #TitleCo-InventorsDate
8589843 Method and device for selectively adding timing margin in an integrated circuit Chandramouili Visweswariah, Paul S. Zuchowski 2013-11-19
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
8504971 Method and device for selectively adding timing margin in an integrated circuit Chandramouili Visweswariah, Paul S. Zuchowski 2013-08-06
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
8490045 Method and device for selectively adding timing margin in an integrated circuit Chandramouili Visweswariah, Paul S. Zuchowski 2013-07-16
8423847 Microcontroller for logic built-in self test (LBIST) Gary D. Grise, Steven F. Oakland, Donald L. Wheater 2013-04-16
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
8239715 Method and apparatus for a robust embedded interface Steven M. Eustis, Kevin W. Gorman, Michael R. Ouellette 2012-08-07
8205124 Microcontroller for logic built-in self test (LBIST) Gary D. Grise, Steven F. Oakland, Donald L. Wheater 2012-06-19
8181135 Hold transition fault model and test generation method Vikram Iyengar, Pamela S. Gillis, Steven F. Oakland 2012-05-15
8122409 Method and device for selectively adding timing margin in an integrated circuit Chandramouli Visweswariah, Paul S. Zuchowski 2012-02-21
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
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
7996739 Avoiding race conditions at clock domain crossings in an edge based scan design 2011-08-09
7937632 Design structure and apparatus for a robust embedded interface Steven M. Eustis, Kevin W. Gorman, Michael R. Ouellette 2011-05-03
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
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
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
7560964 Latch and clock structures for enabling race-reduced MUX scan and LSSD co-compatibility Steven F. Oakland, Peter Verwegen 2009-07-14
7529294 Testing of multiple asynchronous logic domains Gary D. Grise, Vikram Iyengar 2009-05-05
7490280 Microcontroller for logic built-in self test (LBIST) Gary D. Grise, Steven F. Oakland, Donald L. Wheater 2009-02-10
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
7482851 Latch and clock structures for enabling race-reduced mux scan and LSSD co-compatibility Steven F. Oakland, Peter Verwegen 2009-01-27
7484149 Negative edge flip-flops for muxscan and edge clock compatible LSSD 2009-01-27
7435990 Arrangement for testing semiconductor chips while incorporated on a semiconductor wafer Brion Keller, Bernd Koenemann, Donald L. Wheater 2008-10-14