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

Robert J. Chambers — 14 Patents

Pfizer: 13 patents #344 of 5,153Top 7%
PTProteostasis Therapeutics: 1 patents #12 of 12Top 100%
Boston, MA: #516 of 5,993 inventorsTop 9%
Massachusetts: #8,931 of 88,656 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Robert J. Chambers has been granted 14 US patents while listed as an inventor at Pfizer. The first was granted in 2000 and the most recent in July 2016. Robert J. Chambers ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Robert J. Chambers in Boston, MA, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9399647 Proteasome activity modulating compounds Megan Foley, Bradley Tait 2016-07-26 $5,681,000
7354941 Nicotinamide benzofused-heterocyclyl derivatives useful as selective inhibitors of PDE4 isozymes Anthony Marfat 2008-04-08 $140,126,000
7250518 Nicotinamide acids, amides, and their mimetics active as inhibitors of PDE4 isozymes Thomas Victor Magee, Anthony Marfat 2007-07-31 $138,124,000
7183293 Ether derivatives useful as inhibitors of PDE4 isozymes Anthony Marfat, Thomas Victor Magee 2007-02-27 $200,898,000
6953810 Nicotinamide biaryl derivatives useful as inhibitors of PDE4 isozymes Anthony Marfat, Thomas Victor Magee 2005-10-11 $495,540,000
6919460 Processes and intermediates useful in preparing β3-adrenergic receptor agonists Robert W. Dugger, Ming Kang, Yong Tao, John W. Wong 2005-07-19 $201,677,000
6828333 Ether derivatives useful as inhibitors of PDE4 isozymes Anthony Marfat, Thomas Victor Magee 2004-12-07 $141,227,000
6740655 Pyrimidine carboxamides useful as inhibitors of PDE4 isozymes Thomas Victor Magee, Anthony Marfat 2004-05-25 $560,540,000
6689888 Processes and intermediates useful in preparing &bgr;3-adrenergic receptor agonists Robert W. Dugger, Ming Kang, Yong Tao, John W. Wong 2004-02-10 $201,275,000
6649633 Nicotinamide biaryl derivatives useful as inhibitors of PDE4 isozymes Anthony Marfat, Thomas Victor Magee 2003-11-18 $153,763,000
6380218 Nicotinamide derivatives Anthony Marfat, John W. Watson, John B. Cheng, Allen J. Duplantier, Edward F. Kleinman 2002-04-30 $143,968,000
6293477 Method and apparatus for distribution and/or collection of fluids 2001-09-25
6096901 Processes and intermediates for preparing 2-fluorothiophene derivatives Anthony Marfat 2000-08-01 $930,245,000
6043379 Processes and intermediates for preparing 2-fluorothiophene derivatives Anthony Marfat 2000-03-28 $187,282,000