Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
NB

Nathan C. Buck — 33 Patents

IBM: 29 patents #3,540 of 70,183Top 6%
Globalfoundries: 3 patents #1,029 of 4,424Top 25%
GUGlobalfoundries U.S.: 1 patents #363 of 211Top 175%
Underhill, VT: #13 of 98 inventorsTop 15%
Vermont: #212 of 4,968 inventorsTop 5%
Overall (All Time): #105,480 of 4,157,543Top 3%
33 Patents All Time
Nathan C. Buck has been granted 33 US patents while listed as an inventor at IBM. The first was granted in 2009 and the most recent in January 2021. Nathan C. Buck ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list Nathan C. Buck in Underhill, VT, US.

Patents per Year

Patents granted per year, 2009 to 2021Bar chart with a peak of 6 patents in 2019.peak 62009: 1 patents20092010: 4 patents2011: 4 patents20112012: 1 patents2013: 2 patents20132014: 5 patents2015: 2 patents20152016: 4 patents2017: 1 patents20172018: 2 patents2019: 6 patents20192021: 1 patents2021

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10891412 Offline analysis of hierarchical electronic design automation derived data SheshaShayee K. Raghunathan, Thomas S. Guzowski, Kerim Kalafala, Jack DiLullo, Debra Dean 2021-01-12 $3,912,000
10489540 Integrating manufacturing feedback into integrated circuit structure design Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, Peter A. Habitz, Jeffrey G. Hemmett +4 more 2019-11-26 $3,625,000
10380289 Multi-sided variations for creating integrated circuits Robert J. Allen, Eric A. Foreman, Jeffrey G. Hemmett, Kerim Kalafala, Gregory M. Schaeffer +4 more 2019-08-13 $1,909,000
10380286 Multi-sided variations for creating integrated circuits Robert J. Allen, Eric A. Foreman, Jeffrey G. Hemmett, Kerim Kalafala, Gregory M. Schaeffer +4 more 2019-08-13 $1,909,000
10372851 Independently projecting a canonical clock Sean Michael Carey, Peter C. Elmendorf, Eric A. Foreman, Jeffrey G. Hemmett, Lyle Jackson +3 more 2019-08-06 $1,880,000
10346569 Multi-sided variations for creating integrated circuits Robert J. Allen, Eric A. Foreman, Jeffrey G. Hemmett, Kerim Kalafala, Gregory M. Schaeffer +4 more 2019-07-09 $2,201,000
10289776 Sensitivity calculation filtering for statistical static timing analysis of an integrated circuit Eric A. Foreman, Jeffrey G. Hemmett, Kerim Kalafala, Gregory M. Schaeffer, Stephen G. Shuma +3 more 2019-05-14 $3,761,000
10031985 Sensitivity calculation filtering for statistical static timing analysis of an integrated circuit Eric A. Foreman, Jeffrey G. Hemmett, Kerim Kalafala, Gregory M. Schaeffer, Stephen G. Shuma +3 more 2018-07-24 $2,645,000
9858368 Integrating manufacturing feedback into integrated circuit structure design Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, Peter A. Habitz, Jeffrey G. Hemmett +4 more 2018-01-02 $1,907,000
9767239 Timing optimization driven by statistical sensitivites Eric A. Foreman, Jeffrey G. Hemmett, Kerim Kalafala, Gregory M. Schaeffer, Stephen G. Shuma +3 more 2017-09-19 $2,669,000
9519747 Dynamic and adaptive timing sensitivity during static timing analysis using look-up table Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, David J. Hathaway, Jeffrey G. Hemmett +6 more 2016-12-13 $16,443,000
9495497 Dynamic voltage frequency scaling Eric A. Foreman, Jeffrey G. Hemmett, Kerim Kalafala, Gregory M. Schaeffer, Stephen G. Shuma +4 more 2016-11-15 $2,170,000
9378328 Modeling multi-patterning variability with statistical timing Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, Peter A. Habitz, David J. Hathaway +4 more 2016-06-28 $2,208,000
9348962 Hierarchical design of integrated circuits with multi-patterning requirements Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, David J. Hathaway, Jeffrey G. Hemmett +3 more 2016-05-24 $1,910,000
9171124 Parasitic extraction in an integrated circuit with multi-patterning requirements Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, Peter A. Habitz, David J. Hathaway +4 more 2015-10-27
8949765 Modeling multi-patterning variability with statistical timing Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, Peter A. Habitz, David J. Hathaway +4 more 2015-02-03 $3,062,000
8850378 Hierarchical design of integrated circuits with multi-patterning requirements Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, Peter A. Habitz, David J. Hathaway +4 more 2014-09-30 $5,320,000
8806402 Modeling multi-patterning variability with statistical timing Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, Peter A. Habitz, David J. Hathaway +4 more 2014-08-12 $3,643,000
8768679 System and method for efficient modeling of NPskew effects on static timing tests Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, Peter A. Habitz, Jeffrey G. Hemmett +3 more 2014-07-01 $3,868,000
8769452 Parasitic extraction in an integrated circuit with multi-patterning requirements Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, Peter A. Habitz, David J. Hathaway +4 more 2014-07-01 $3,868,000
8656207 Method for modeling variation in a feedback loop of a phase-locked loop Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, Peter A. Habitz 2014-02-18 $4,910,000
8560989 Statistical clock cycle computation Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, James C. Gregerson, Peter A. Habitz +6 more 2013-10-15 $3,582,000
8468483 Method, system and program storage device for performing a parameterized statistical static timing analysis (SSTA) of an integrated circuit taking into account setup and hold margin interdependence Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, Peter A. Habitz, Jeffrey G. Hemmett +4 more 2013-06-18 $7,677,000
8141012 Timing closure on multiple selective corners in a single statistical timing run Brian M. Dreibelbis, John P. Dubuque, Eric A. Foreman, Peter A. Habitz, Jeffrey G. Hemmett +4 more 2012-03-20 $2,170,000
8086988 Chip design and fabrication method optimized for profit Howard H. Chen, James Eckhardt, Eric A. Foreman, James C. Gregerson, Peter A. Habitz +3 more 2011-12-27 $5,499,000