Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Lawrence D. David — 36 Patents

IBM: 22 patents #4,922 of 70,183Top 8%
CGCelanese Gmbh: 8 patents #56 of 478Top 15%
CHChemfab: 2 patents #5 of 16Top 35%
DUDuke University: 2 patents #648 of 2,315Top 30%
WARF: 1 patents #1,912 of 4,123Top 50%
Durham, NC: #103 of 4,103 inventorsTop 3%
North Carolina: #1,008 of 45,564 inventorsTop 3%
Overall (All Time): #92,222 of 4,157,543Top 3%
36 Patents All Time
Lawrence D. David has been granted 36 US patents while listed as an inventor at IBM. The first was granted in 1982 and the most recent in March 2025. Lawrence D. David ranks #92,222 of 4,157,543 US inventors in our database (top 2.2%). Patent records list Lawrence D. David in Durham, NC, US.

Patents per Year

Patents granted per year, 1982 to 2025Bar chart with a peak of 4 patents in 1986.peak 41982: 1 patents19821984: 3 patents1985: 1 patents19851986: 4 patents1987: 1 patents19871988: 1 patents1989: 1 patents19891990: 2 patents1991: 1 patents19911992: 2 patents1993: 1 patents19931994: 1 patents1996: 3 patents19961999: 1 patents2000: 3 patents20002001: 4 patents2002: 3 patents20022004: 1 patents2022: 1 patents20222025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12252750 Compositions and methods for measuring bacterial growth Rachael Bloom 2025-03-18
11313000 Compositions and methods for measuring bacterial growth Rachael Bloom 2022-04-26
6691618 Chemical imaging of a lithographic printing plate Albert S. Deutsch, David B. West 2004-02-17
6417280 Fluoropolymeric composition John A. Effenberger, Christopher M. Comeaux, Timothy P. Pollock, Katherine M. Sahlin, Laura A. Socha +2 more 2002-07-09
6358439 Copper-based paste containing copper aluminate for microstructural and shrinkage control of copper-filled vias Farid Youssif Aoude, Renuka S. Divakaruni, Shaji Farooq, Lester W. Herron, Hal Mitchell Lasky +6 more 2002-03-19 $20,987,000
6355565 Chemical-mechanical-polishing slurry and method for polishing metal/oxide layers Paul M. Feeney, Timothy C. Krywanczyk, Matthew T. Tiersch, Eric J. White 2002-03-12 $13,941,000
6294105 Chemical mechanical polishing slurry and method for polishing metal/oxide layers Paul M. Feeney, Timothy C. Krywanczyk, Matthew T. Tiersch, Eric J. White 2001-09-25 $32,998,000
6284151 Chemical mechanical polishing slurry for tungsten Timothy C. Krywanczyk 2001-09-04 $27,475,000
6239223 Fluoropolymeric composition John A. Effenberger, Christopher M. Comeaux, Timothy P. Pollock, Katherine M. Sahlin, Laura A. Socha +2 more 2001-05-29
6221269 Method of etching molybdenum metal from substrates Krishna G. Sachdev, Umar M. Ahmad, Hsing H. Chen, Charles H. Perry, Donald R. Wall 2001-04-24 $20,927,000
6130170 Process improvements for titanium-tungsten etching in the presence of electroplated C4's Lisa A. Fanti 2000-10-10 $63,451,000
6124041 Copper-based paste containing copper aluminate for microstructural and shrinkage control of copper-filled vias Farid Youssif Aoude, Renuka S. Divakaruni, Shaji Farooq, Lester W. Herron, Hal Mitchell Lasky +6 more 2000-09-26 $64,342,000
6015505 Process improvements for titanium-tungsten etching in the presence of electroplated C4's Lisa A. Fanti 2000-01-18 $42,053,000
5925443 Copper-based paste containing copper aluminate for microstructural and shrinkage control of copper-filled vias Farid Youssif Aoude, Renuka S. Divakaruni, Shaji Farooq, Lester W. Herron, Hal Mitchell Lasky +6 more 1999-07-20 $27,822,000
5525761 Copper-based paste containing refractory metal additions for densification control Shaji Farooq, Anthony Mastreani, Srinivasa S. N. Reddy, Rao V. Vallabhaneni 1996-06-11 $10,629,000
5518131 Etching molydbenum with ferric sulfate and ferric ammonium sulfate Hsing H. Chen, Derek B. Harris 1996-05-21 $11,195,000
5512711 Copper-based paste containing refractory metal additions for densification control Shaji Farooq, Anthony Mastreani, Srinivasa S. N. Reddy, Rao V. Vallabhaneni 1996-04-30 $14,964,000
5277725 Process for fabricating a low dielectric composite substrate John Acocella, Peter A. Agostino, Arnold I. Baise, Richard A. Bates, Ray M. Bryant +21 more 1994-01-11 $8,526,000
5213704 Process for making a compliant thermally conductive compound Herbert R. Anderson, Jr., Richard B. Booth, Mark Neisser, Harbans S. Sachdev, Mark A. Takacs 1993-05-25 $9,080,000
5135595 Process for fabricating a low dielectric composite substrate John Acocella, Peter A. Agostino, Arnold I. Baise, Richard A. Bates, Ray M. Bryant +21 more 1992-08-04 $10,228,000
5094769 Compliant thermally conductive compound Herbert R. Anderson, Jr., Richard B. Booth, Mark Neisser, Harbans S. Sachdev, Mark A. Takacs 1992-03-10 $26,261,000
4995942 Effective near neutral pH etching solution for molybdenum or tungsten 1991-02-26 $17,944,000
4954142 Method of chemical-mechanical polishing an electronic component substrate and polishing slurry therefor Jeffrey Carr, William L. Guthrie, Frank B. Kaufman, William J. Patrick, Kenneth P. Rodbell +2 more 1990-09-04 $15,163,000
4898842 Organometallic-derived cordierite and other compounds comprising oxides of silicon 1990-02-06 $16,892,000
4798701 Method of synthesizing amorphous group IIIA-group VA compounds 1989-01-17 $19,167,000