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

Alan T. Johnson

ABAbbVie: 57 patents #23 of 1,308Top 2%
UPUniversity of Pennsylvania: 24 patents #28 of 2,719Top 2%
Nokia: 5 patents #1,316 of 5,652Top 25%
HBHawaii Biotech: 4 patents #1 of 17Top 6%
MCMonell Chemical Senses Center: 2 patents #21 of 82Top 30%
EXExelixis: 2 patents #132 of 312Top 45%
BPBritish Gas Plc: 2 patents #66 of 173Top 40%
Mastercard: 1 patents #1,114 of 2,005Top 60%
NLNokia Mobil Phones Limited: 1 patents #3 of 75Top 4%
IRInstitute For Cancer Research: 1 patents #33 of 104Top 35%
ECExelixis Patent Company: 1 patents #41 of 51Top 85%
UIUniversity Of Illinois: 1 patents #1,166 of 3,009Top 40%
Philadelphia, PA: #12 of 4,834 inventorsTop 1%
Pennsylvania: #134 of 74,527 inventorsTop 1%
Overall (All Time): #12,180 of 4,157,543Top 1%
109 Patents All Time

Issued Patents All Time

Showing 51–75 of 109 patents

Patent #TitleCo-InventorsDate
6603019 1-imidazolyl substituted tetrahydronaphthalene derivatives as inhibitors of eytochrome P450RAI Jayasree Vasudevan, Liming Wang, Roshantha A. Chandraratna 2003-08-05
6555690 Alkyl or aryl substituted dihydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity Min Teng, Vidyasagar Vuligonda, Richard L. Beard, Samuel J. Gillett, Tien T. Duong +1 more 2003-04-29
6538149 ARYL OR HETEROARYL SUBSTITUTED 3,4-DIHYDROANTHRACENE AND ARYL OR HETEROARYL SUBSTITUTED BENZO [1,2-G]CHROM-3-ENE, BENZO[1,2-G]-THIOCHROM-3-ENE AND BENZO [1,2-G]-1,2-DIHYDROQUINOLINE DERIVATIVES HAVING RETINOID ANTAGONIST OR RETINOID INVERSE AGONIST TYPE BIOLOGICAL ACTIVITY Vidyasagar Vuligonda, Roshantha A. Chandraratna 2003-03-25
6531599 Compounds having activity as inhibitors of cytochrome P450RAI Jayasree Vasudevan, Dehua Huang, Roshantha A. Chandraratna 2003-03-11
6521624 Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities Elliott S. Klein, Andrew M. Standeven, Richard L. Beard, Samuel J. Gillett, Tien T. Duong +4 more 2003-02-18
6515625 Antenna 2003-02-04
6495552 Methods of providing and using compounds having activity as inhibitors of cytochrome P450RAI Jayasree Vasudevan, Liming Wang, Dehua Huang, Roshantha A. Chandraratna 2002-12-17
6469028 Synthesis and use of retinoid compounds having negative hormone and/or anatgonist activities Elliott S. Klein, Andrew M. Standeven, Richard L. Beard, Samuel J. Gillett, Tien T. Duong +4 more 2002-10-22
6465663 O- or S-substituted tetrahydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity Vidyasagar Vuligonda, Min Teng, Richard L. Beard, Yuan Lin, Roshantha A. Chandraratna 2002-10-15
6399774 Compounds having activity as inhibitors of cytochrome P450RAI Jayasree Vasudevan, Dehua Huang, Roshantha A. Chandraratna 2002-06-04
6387892 Methods of providing and using compounds having activity as inhibitors of cytochrome P450RAI Jayasree Vasudevan, Liming Wang, Dehua Huang, Roshantha A. Chandraratna 2002-05-14
6387951 Compounds having activity as inhibitors of cytochrome P450RAI Jayasree Vasudevan, Liming Wang, Dehua Huang, Roshantha A. Chandraratna 2002-05-14
6380256 Compounds having activity as inhibitors of cytochrome P450RAI Jayasree Vasudevan, Liming Wang, Roshantha A. Chandraratna 2002-04-30
6369261 Compounds having activity as inhibitors of cytochrome P450RAI Jayasree Vasudevan, Liming Wang, Roshantha A. Chandraratna 2002-04-09
6369225 Compounds having activity as inhibitors of cytochrome P450RAI Jayasree Vasudevan, Dehua Huang, Roshantha A. Chandraratna 2002-04-09
6359135 Compounds having activity as inhibitors of cytochrome P450RAI Jayasree Vasudevan, Dehua Huang, Roshantha A. Chandraratna 2002-03-19
6355806 ACETYLENES DISUBSTITUTED WITH A 5 ALKYL, ARYL OR HETEROARYL SUBSTITUTED DIHYDRONAPHTHYL GROUP AND WITH AN ARYL OR HETEROARYL GROUP HAVING RETINOID-LIKE WITH AN ARYL OR HETEROARYL GROUP HAVING RETINOID-LIKE BIOLOGICAL ACTIVITY Min Teng, Vidyasagar Vuligonda, Richard L. Beard, Samuel J. Gillett, Tien T. Duong +1 more 2002-03-12
6344561 O- or S- substituted tetrahydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity Vidyasagar Vuligonda, Min Teng, Richard L. Beard, Yuan Lin, Roshantha A. Chandraratna 2002-02-05
6317083 Antenna having a feed and a shorting post connected between reference plane and planar conductor interacting to form a transmission line Joseph Modro 2001-11-13
6313107 Methods of providing and using compounds having activity as inhibitors of cytochrome P450RAI Jayasree Vasudevan, Liming Wang, Dehua Huang, Roshantha A. Chandraratna 2001-11-06
6303785 Compounds having activity as inhibitors of cytochrome P450RAI Jayasree Vasudevan, Roshantha A. Chandraratna 2001-10-16
6291677 Compounds having activity as inhibitors of cytochrome P450RAI Jayasree Vasudevan, Dehua Huang, Roshantha A. Chandraratna 2001-09-18
6252090 Compounds having activity as inhibitors of cytochrome P450RAI Jayasree Vasudevan, Dehua Huang, Roshantha A. Chandraratna 2001-06-26
6228848 Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities Elliott S. Klein, Andrew M. Standeven, Richard L. Beard, Samuel J. Gillett, Tien T. Duong +4 more 2001-05-08
6187933 O- or S- substituted tetrahydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity Vidyasagar Vuligonda, Min Teng, Richard L. Beard, Yuan Lin, Roshantha A. Chandraratna 2001-02-13