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

Ronald C. Griffith — 45 Patents

PEPennwalt: 15 patents #4 of 288Top 2%
FPFisons Plc: 13 patents #1 of 127Top 1%
AAAstra Ab: 4 patents #6 of 77Top 8%
EXExelixis: 3 patents #103 of 312Top 35%
GTGenelabs Technologies: 3 patents #25 of 73Top 35%
SLSmithkline Beecham Limited: 2 patents #570 of 1,624Top 40%
MPMitsubishi Tanabe Pharma: 1 patents #254 of 503Top 55%
ECExelixis Patent Company: 1 patents #41 of 51Top 85%
TCTanabe Seiyaku Co.: 1 patents #222 of 389Top 60%
ACAstra Co.: 1 patents #188 of 446Top 45%
Pittsford, NY: #42 of 976 inventorsTop 5%
New York: #2,204 of 115,490 inventorsTop 2%
Overall (All Time): #65,840 of 4,157,543Top 2%
45 Patents All Time

Issued Patents All Time

Showing 26–45 of 45 patents

Patent #TitleCo-InventorsDate
5075317 Spirofurane derivatives Edwin S. C. Wu 1991-12-24
5047541 2-azacyclocarboxamide derivatives 1991-09-10
4912222 Antihistamines related to cyproheptadine James J. Napier 1990-03-27
4873241 2-amino-N-(2-phenylindan-2-yl)acetamides useful as anti-epileptics James J. Napier 1989-10-10
4871872 2-[(2-aminoacetyl)amino]acetamide derivatives 1989-10-03
4855462 Antihistamines James J. Napier 1989-08-08
4798687 2-Amino-N-[1,2-Diphenyl-1-(thifluoromethyl)ethyl]acetamide derivatives James J. Napier 1989-01-17
4782058 1,3,4,6,7,11b-Hexahydro-6-phenyl-2H-pyrazino-(2,1-a)isoquinolines, for anti-histamine or anti-depression treatment 1988-11-01
4769466 2-aminoacetamide pyridinyl derivatives James J. Napier 1988-09-06
4766131 2-amino (or hydroxy) phenethyl-1,2,3,4-tetrahydroisoquinolines as analgesics Thomas A. Davidson 1988-08-23
4681954 7,8,9,10-tetrahydro-6-oxo-6H-dibenzo(b,d)pyranyloxy-propanes 1987-07-21
4678791 6-phenyl-1,2-3,4,4a,5-6,10b-octahydrobenz(h)isoquinolines useful for treating depression James J. Napier 1987-07-07
4647674 Bis-(dibenzo[b,d]pyranyloxy) propanes 1987-03-03
4569994 Dibenzo[b,d]pyranyloxyaminopropanols 1986-02-11
4537908 Herpes II treatment Clyde R. Kinsolving 1985-08-27
4518779 1,2,3,4-Tetrahydro-1-aminomethyl-4-phenyl isoquinolines 1985-05-21
4517187 1,3,4,6,7-11b-Hexahydro-7-phenyl-2H-pyrazino[2,1-a]isoquinolines methods of preparation, and use as antidepressants 1985-05-14
4386105 Use of alpha, alpha-dialkyl adamantylethylamines to treat measles Clyde R. Kinsolving 1983-05-31
4351847 Antiviral alpha, alpha-dialkyl adamantylethylamines Clyde R. Kinsolving 1982-09-28
4282146 Preparation of 1,2,4,5-tetrahydro-7-alkoxy-(and 7,8-dialkoxy)-3H,3-benzazepines and 3-substituted derivatives thereof from the corresponding phenethylamines Thomas A. Davidson 1981-08-04