Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Daniel Walker — 22 Patents

Pfizer: 12 patents #387 of 5,153Top 8%
MTMonsanto Technology: 5 patents #801 of 1,728Top 50%
The Procter & Gamble: 3 patents #3,992 of 10,297Top 40%
PHPharmacia: 2 patents #766 of 1,582Top 50%
Augusta, MO: #2 of 8 inventorsTop 25%
Missouri: #696 of 23,789 inventorsTop 3%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Daniel Walker has been granted 22 US patents while listed as an inventor at Pfizer. The first was granted in 1997 and the most recent in October 2020. Daniel Walker ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Daniel Walker in Augusta, MO, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10815213 Bruton's tyrosine kinase inhibitors John Robert Springer, Balekudru Devadas, Danny James Garland, Margaret L. Grapperhaus, Seungil Han +9 more 2020-10-27 $309,700,000
10807936 3,6-dichlorosalicylic acid compounds and related synthetic processes Terri Boehm, Mangesh Bore, Jeffery Carroll, G. Davis Harris, Jr., Matthew D. McReynolds +1 more 2020-10-20
10745376 Processes for the preparation of heteroaryl carboxylic acids William H. Miller 2020-08-18
10519092 3,6-dichlorosalicylic acid compounds and related synthetic processes Terri Boehm, Mangesh Bore, Jeffery Carroll, G. Davis Harris, Jr., Matthew D. McReynolds +1 more 2019-12-31
10266513 Bruton's tyrosine kinase inhibitors John Robert Springer, Balekudru Devadas, Danny James Garland, Margaret L. Grapperhaus, Seungil Han +9 more 2019-04-23 $877,937,000
10239857 Processes for the preparation of 2-thiophenecarbonyl chloride William H. Miller 2019-03-26
9856201 3,6-dichlorosalicylic acid compounds and related synthetic processes Terri Boehm, Mangesh Bore, Jeffery Carroll, G. Davis Harris, Jr., Matthew D. McReynolds +1 more 2018-01-02 $10,041,000
7829572 Pyrido[4,3-d]pyrimidin-4(3H)-one derivatives as calcium receptor antagonists Mary Theresa Didiuk, Kevin Liu, David A. Griffith, Angel Guzman-Perez, Feng C. Bi 2010-11-09 $576,165,000
7176198 1H-pyrazole and 1H-pyrrole-azabicyclic compounds for the treatment of disease David W. Piotrowski, Eric Jon Jacobsen, Brad Acker, Donn Wishka, Vincent Groppi 2007-02-13 $114,373,000
7001900 Azabicyclic compounds for the treatment of disease Eric Jon Jacobsen, Jason K. Myers, Donn Wishka, Steven Reitz, David W. Piotrowski +2 more 2006-02-21 $334,287,000
6951868 Azabicyclic-phenyl-fused-heterocyclic compounds for treatment of disease David W. Piotrowski, Eric Jon Jacobsen, Brad Acker, Vincent Groppi 2005-10-04 $168,640,000
6919359 Azabicyclic-substituted-heteroaryl compounds for the treatment of disease David W. Piotrowski, Jason K. Myers, Bruce N. Rogers, Eric Jon Jacobsen, Alice L. Bodnar +2 more 2005-07-19 $201,677,000
6911543 Azabicyclic-substituted fused-heteroaryl compounds for the treatment of disease David W. Piotrowski, Eric Jon Jacobsen, Brad Acker, Donn Wishka, Steven Reitz 2005-06-28 $179,326,000
6894042 Azabicyclic compounds for the treatment of disease David W. Piotrowski, Eric Jon Jacobsen, Brad Acker 2005-05-17
6869946 Substituted azabicyclic moieties for the treatment of disease Eric Jon Jacobsen, Jason K. Myers, David W. Piotrowski, Vincent Groppi 2005-03-22 $274,842,000
6858613 Fused bicyclic-N-bridged-heteroaromatic carboxamides for the treatment of disease Bruce N. Rogers, David W. Piotrowski, Eric Jon Jacobsen, Brad Acker, Donn Wishka +1 more 2005-02-22 $353,517,000
6852716 Substituted-aryl compounds for treatment of disease David W. Piotrowski, Eric Jon Jacobsen, Brad Acker, Jason K. Myers, Vincent Groppi 2005-02-08 $111,158,000
6849620 N-(azabicyclo moieties)-substituted hetero-bicyclic aromatic compounds for the treatment of disease Eric Jon Jacobsen, David W. Piotrowski, Brad Acker, Donn Wishka, Jeffrey Corbett +2 more 2005-02-01 $221,993,000
6828330 Quinuclidine-substituted hetero-bicyclic aromatic compounds for the treatment of disease Donn Wishka, David W. Piotrowski, Vincent Groppi 2004-12-07
5965595 2-Imidazolinylamino heterocyclic compounds useful as alpha-2 adrenoceptor agonists Peter J. Maurer, Jeffrey Joseph Ares, William Seibel, Russell James Sheldon, Raymond Todd Henry 1999-10-12 $71,930,000
5914342 2-imidazolinylamino heterocyclic compounds useful as alpha-2 adrenoceptor agonists Peter J. Maurer, Jeffrey Joseph Ares, William Seibel, Russell James Sheldon, Raymond Todd Henry 1999-06-22 $87,434,000
5663189 2-imidazolinylamino heterocyclic compounds useful as alpha-2 adrenoceptor agonists Peter J. Maurer, Jeffrey Joseph Ares, William Seibel 1997-09-02 $46,075,000