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

Robert S. Davidson — 32 Patents

3M: 12 patents #1,322 of 11,543Top 15%
SCSun Chemical: 10 patents #24 of 539Top 5%
NDNational Research Development: 3 patents #81 of 1,071Top 8%
CPCoates Brothers Plc: 1 patents #6 of 21Top 30%
AAAlusuisse Holdings A.G.: 1 patents #7 of 12Top 60%
SBSun Chemical B.V.: 1 patents #10 of 47Top 25%
WARF: 1 patents #1,912 of 4,123Top 50%
BLBritish Technology Group Limited: 1 patents #139 of 501Top 30%
Overall (All Time): #110,428 of 4,157,543Top 3%
32 Patents All Time
Robert S. Davidson has been granted 32 US patents while listed as an inventor at 3M. The first was granted in 1981 and the most recent in July 2016. Robert S. Davidson ranks #110,428 of 4,157,543 US inventors in our database (top 2.7%). Patent records list Robert S. Davidson in Leicester, WI, GB.

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9382433 Ketocoumarins as photoinitiators and photosensitizers in printing inks and coatings Brian Rowatt, Shaun Lawrence Herlihy 2016-07-05
8952190 Synergists Shaun Lawrence Herlihy 2015-02-10
8901588 LED devices having lenses and methods of making same David Scott Thompson, Chien-Chih Chiang, Huang Chin Hung 2014-12-02 $40,848,000
8808549 Method of making zirconia-containing nanoparticles Brant U. Kolb, Danny B. Anderson, Mark J. Hendrickson, James Jackson Leach, Taun L. McKenzie 2014-08-19 $19,810,000
8785515 Sensitizer for cationic photoinitiators Shaun Lawrence Herlihy 2014-07-22
8647510 Method of making zirconia-containing nanoparticles Brant U. Kolb, Danny B. Anderson, Mark J. Hendrickson, James Jackson Leach, Taun L. McKenzie 2014-02-11 $15,668,000
8330176 LED devices having lenses and methods of making same D. Scott Thompson, Chien-Chih Chiang, Huang Chin Hung 2012-12-11 $12,351,000
7674523 Zirconia particles Brant U. Kolb, Danny B. Anderson, James A. Higgins, Mark J. Hendrickson, John T. Brady 2010-03-09 $25,154,000
7671081 Multifunctional cationic photoinitiators, their preparation and use Shaun Lawrence Herlihy, Brian Rowatt 2010-03-02
7612122 Piperazino based photoinitiators Shaun Lawrence Herlihy, Brian Rowatt 2009-11-03
7598401 Multifunctional cationic photoinitiators, their preparation and use Shaun Lawrence Herlihy, Brian Rowatt 2009-10-06
7514263 Continuous process for the production of combinatorial libraries of materials James M. Nelson, Jeffrey Jacob Cernohous, Michael J. Annen, James R. McNerney, Robert W. Ferguson +2 more 2009-04-07 $24,863,000
7452921 Piperazine-based sensitisers Shaun Lawrence Herlihy, Brian Rowett 2008-11-18
7429422 Zirconia particles Brant U. Kolb, Danny B. Anderson, James A. Higgins, Mark J. Hendrickson, John T. Brady 2008-09-30 $59,164,000
7335782 Thioxanthone derivatives, and their use as cationic photoinitiators Shaun Lawrence Herlihy 2008-02-26
7294723 Multifunctional cationic photoinitiators, their preparation and use Shaun Lawrence Herlihy, Brian Rowatt 2007-11-13
7241437 Zirconia particles Brant U. Kolb, Danny B. Anderson, James A. Higgins, Mark J. Hendrickson, John T. Brady 2007-07-10 $55,733,000
7166647 Multi-functional photoinitiators Shaun Lawrence Herlihy, Roger Edward Burrows 2007-01-23
7101998 Fused ring compounds, and their use as cationic photoinitiators Shaun Lawrence Herlihy, Brian Rowatt 2006-09-05
6869501 Continuous process for controlled concentration of colloidal solutions Danny B. Anderson, Richard A. Gerth, David R. Holm 2005-03-22 $26,208,000
6296986 Photoinitiator Derek Ronald Illsley, Aylvin Angelo Dias, Roger Edward Burrows 2001-10-02
6160086 Process for removing impurities from polymers David R. Holm, Daniel T. Chen, Eugene E. Harkins 2000-12-12 $46,365,000
5905164 Polyalkylene polyol esters of dialkylaminobenzoic acid and their use in photoinitiated curing processes David George Anderson, Neil Richard Cullum, Elizabeth Sands 1999-05-18
5902654 Process for the packaged polymerization of olefinic monomers Brook F. Duerr, Allen R. Siedle, Katherine A. Brown, Craig E. Hamer 1999-05-11 $44,585,000
5811526 Binding assay and assay reagent 1998-09-22