Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DE

David A. Estell

DUDanisco Us: 65 patents #1 of 467Top 1%
GIGenencor International: 61 patents #1 of 377Top 1%
The Procter & Gamble: 9 patents #1,452 of 10,133Top 15%
GEGenencor: 7 patents #1 of 29Top 4%
Genentech: 2 patents #1,171 of 2,392Top 50%
The Goodyear Tire & Rubber: 2 patents #1,342 of 3,057Top 45%
GTGoverning Council Of The University Of Toronto: 1 patents #286 of 760Top 40%
Palo Alto, CA: #52 of 9,675 inventorsTop 1%
California: #1,075 of 386,348 inventorsTop 1%
Overall (All Time): #6,825 of 4,157,543Top 1%
143 Patents All Time

Issued Patents All Time

Showing 26–50 of 143 patents

Patent #TitleCo-InventorsDate
10584323 Glucoamylase variants Daniel Esteban Torres Pazmino, Viktor Yuryevich Alekseyev, Casper Vroemen 2020-03-10
10577595 Use and production of storage-stable neutral metalloprotease Andrew Shaw, Eugene Steven Sadlowski, Hiroshi Oh, Louise Wallace, Ronaldus Wilhelmus Hommes +1 more 2020-03-03
10563189 Compositions and methods comprising variant microbial proteases Joshua Roy Basler, Luis G. Cascao-Pereira, James T. Kellis, Jr. 2020-02-18
10457924 Variant maltohexaose-forming alpha-amylase variants Luis G. Cascao-Pereira, Marc Kolkman, Harm Mulder 2019-10-29
10329546 Compositions and methods comprising a lipolytic enzyme variant Thomas P. Graycar, Ayrookaran J. Poulose 2019-06-25
10093887 Compositions and methods comprising serine protease variants Wolfgang Aehle, Luis G. Cascao-Pereira, Frits Goedegebuur, James T. Kellis, Jr., Ayrookaran J. Poulose +1 more 2018-10-09
10023851 Compositions and methods comprising a lipolytic enzyme variant Thomas P. Graycar, Sina Pricelius, Ayrookaran J. Poulose 2018-07-17
9976134 Thermolysin variants Ronaldus W.J. Hommes, Amy D. Liu, Andrew Shaw 2018-05-22
9856466 Compositions and methods comprising serine protease variants Neelam S. Amin, Katherine Augustyn, Joshua Roy Basler, Luis G. Cascao-Pereira, Katherine D. Collier +8 more 2018-01-02
9523087 Cellulase variants with improved expression, activity and stability, and use thereof Wolfgang Aehle, Richard R. Bott, Benjamin S. Bower, Jonathan Caspi, Frits Goedegebuur +10 more 2016-12-20
9523088 Modified proteases Eugenio Ferrari 2016-12-20
9434915 Compositions and methods comprising a subtilisin variant Frits Goedegebuur, Ayrookaran J. Poulose 2016-09-06
9334467 Use and production of storage-stable neutral metalloprotease Andrew Shaw, Louise Wallace, Ronaldus W.J. Hommes, Sang-Kyu Lee, Hiroshi Oh +1 more 2016-05-10
9273298 Isoprene synthase variants for improved production of isoprene Zachary Q. Beck, Jeffrey V. Miller, Christopher L. Rife, Derek H. Wells 2016-03-01
9163263 Identification of isoprene synthase variants with improved properties for the production of isoprene Zachary Q. Beck, Jeffrey V. Miller, James Ngai, Christopher L. Rife, Derek H. Wells 2015-10-20
9157052 Methods for cleaning using a variant protease derived from subtilisin Joshua Roy Basler, Luis G. Cascao-Pereira, James T. Kellis, Jr., Alexander Pisarchik, Ayrookaran J. Poulose +1 more 2015-10-13
9133425 Methods for improving multiple protein properties Luis G. Cascao-Pereira, James T. Kellis, Jr., Ayrookaran J. Poulose 2015-09-15
9096838 Proteases comprising one or more combinable mutations Luis G. Cascao-Pereira, James T. Kellis, Jr. 2015-08-04
9084734 Peptide personal care compositions and methods for their use Katherine D. Collier, Anthony G. Day, Hans De Nobel, Grant Ganshaw, Marc Kolkman +7 more 2015-07-21
9040278 Production of glucose from starch using alpha-amylases from Bacillus subtilis Luis G. Cascao-Pereira, Regina Chin, William A. Cuevas, Sang-Kyu Lee, Michael J. Pepsin +6 more 2015-05-26
8975056 Variant alpha-amylases from Bacillus subtilis and methods of uses, thereof Luis G. Cascao-Pereira, William A. Cuevas, Sang-Kyu Lee, Scott D. Power, Sandra W. Ramer +2 more 2015-03-10
8962796 Modified variant Bowman Birk protease inhibitors Neelam S. Amin, Katherine D. Collier, Melodie Estabrook, Bryan P. Fox, Scott D. Power +2 more 2015-02-24
8865449 Multiple mutation variants of serine protease Wolfgang Aehle, Ronaldus W.J. Hommes, Brian E. Jones, Marc Kolkman, Chris Leeflang +5 more 2014-10-21
8852912 Compositions and methods comprising alpha-amylase variants with altered properties Brian E. Jones, Marc Kolkman, Christian Adams, Edward M. Concar 2014-10-07
8785171 Fabric and home care products comprising cold water proteases Philip Frank Souter, Glenn Steven Ward, Viktor Yuryevich Alekseyev, Joshua Roy Basler, Luis G. Cascao-Pereira +4 more 2014-07-22