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

Albert A. Carr — 70 Patents

MPMerrell Pharmaceuticals: 30 patents #1 of 168Top 1%
MPMerrell Dow Pharmaceuticals: 24 patents #8 of 237Top 4%
RMRichardson Merrell: 11 patents #1 of 40Top 3%
HRHoechst Marion Roussel: 3 patents #55 of 309Top 20%
AHAventis Holdings: 1 patents #2 of 16Top 15%
APAventis Pharmaceuticals: 1 patents #232 of 454Top 55%
Cincinnati, OH: #51 of 8,043 inventorsTop 1%
Ohio: #378 of 73,341 inventorsTop 1%
Overall (All Time): #29,558 of 4,157,543Top 1%
70 Patents All Time

Issued Patents All Time

Showing 26–50 of 70 patents

Patent #TitleCo-InventorsDate
5631268 Piperidinyl thiacyclic derivatives John M. Kane, George D. Maynard, Hsien C. Cheng, Mark W. Dudley 1997-05-20
5602147 Piperidinyl thiacyclic derivatives John M. Kane, George D. Maynard, Hsien C. Cheng, Mark W. Dudley 1997-02-11
5596003 Piperidinyl thiacyclic derivatives John M. Kane, George D. Maynard, Hsien C. Cheng, Mark W. Dudley 1997-01-21
5561144 (+)-.alpha.-(2,3-dime thoxyphenyl)-1-[2-(4-fluorophenyl)ethyl]-4-piperidinemethanol John M. Kane, David A. Hay, Christopher Schmidt 1996-10-01
5541200 Piperidinyl thiacyclic derivatives John M. Kane, George D. Maynard, Hsien C. Cheng, Mark W. Dudley 1996-07-30
5541201 Antiarrhythmic piperidin-1-yl-2,2-dialkylpropanone arylsulfonamide derivatives Richard C. Dage, David A. Hay, John E. Koerner, Tung Li 1996-07-30
5532252 Cyclic nitrones Craig E. Thomas, Ronald Charles Bernotas, George Ku 1996-07-02
5527812 Cyclic nitrones Craig E. Thomas, Ronald Charles Bernotas, George Ku 1996-06-18
5525615 Cyclic nitrones Ronald Charles Bernotas, Craig E. Thomas 1996-06-11
5500433 Method of treating drug abuse Richard C. Dage, John E. Koerner, Tung Li, Francis P. Miller, Thaddeus Nieduzak +1 more 1996-03-19
5498778 Cyclic nitrone compounds useful in treating stroke Craig E. Thomas, Ronald Charles Bernotas, George Ku 1996-03-12
5478846 1-piperidinyl alkanoylanyl sulfonamides for treatment of cardiac arrhythmia Richard C. Dage, Thaddeus Nieduzak, John E. Koerner, Tung Li 1995-12-26
5476861 Piperidinyl thiacyclic derivatives John M. Kane, George D. Maynard, Hsien C. Cheng, Mark W. Dudley 1995-12-19
5397789 Cyclic nitrones Craig E. Thomas, Ronald Charles Bernotas, George Ku 1995-03-14
5380731 Antiallergic compounds John M. Kane, Hsien C. Cheng 1995-01-10
5371093 Piperidinyl thiacyclic derivatives George D. Maynard, John M. Kane, Hsien C. Cheng, Mark W. Dudley 1994-12-06
5292746 Cyclic nitrones, pharmaceutical compositions thereof and their use in treating shock Craig E. Thomas, Ronald Charles Bernotas, George Ku 1994-03-08
5292752 Antithrombotic compounds Richard C. Dage, John E. Koerner, Tung Li, Francis P. Miller, Thaddeus Nieduzak 1994-03-08
5286866 Piperidinyl compounds John E. Koerner, Richard C. Dage, Tung Li 1994-02-15
5169096 N-aralkyl-piperidine-methanol derivatives Norbert L. Wiech 1992-12-08
5166211 Method of using 1,4-disubstituted piperidinyl compounds in the treatment of coronary vasospasons and variant angina Richard C. Dage, John E. Koerner, Tung Li, Francis P. Miller 1992-11-24
5162342 Use of 1,4-disubstituted-piperidinyl compounds for analgesia and muscle relaxation Francis P. Miller, Thaddeus Nieduzak, Stephen M. Sorensen 1992-11-10
5134149 (+)-.alpha.-(2,3-dimethoxyphenyl)-1-[ 2-(4-fluorophenyl)ethyl]-4-piperidinemethanol John M. Kane, David A. Hay, Christopher Schmidt 1992-07-28
5106845 Calcium antagonists Hsien C. Cheng, John M. Kane 1992-04-21
5093341 N-aralkyl piperidine derivatives useful as antithrombolytic agents John E. Koerner, Richard C. Dage, Tung Li, Francis P. Miller 1992-03-03