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

Thomas T. Howarth

BPBeecham Group Plc: 8 patents #16 of 271Top 6%
SPSmithkline Beeacham P.L.C.: 4 patents #106 of 690Top 20%
Pfizer: 2 patents #2,078 of 5,153Top 45%
Felpham, GB: #1 of 12 inventorsTop 9%
Overall (All Time): #357,026 of 4,157,543Top 9%
14 Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
6218380 Pharmaceutical compositions Martin Cole, Christopher Reading 2001-04-17
6051703 Purified clavulanic acid and salts thereof Martin Cole, Christopher Reading 2000-04-18
6048977 Clavulanic acid and salts thereof Martin Cole, Christopher Reading 2000-04-11
6031093 Solid salts of clavulanic acid Martin Cole, Christopher Reading 2000-02-29
4684641 7-hydroxyaminocephalosporin antibiotics Colin W. Greengrass, David W. T. Hoople 1987-08-04
4684642 7-Hydroxyaminocephalosporin antibiotics Colin W. Greengrass, David W. T. Hoople 1987-08-04
4609495 Clavulanic acid ethers as antibacterial agents Roger J. Ponsford 1986-09-02
4560552 Antibiotics Martin Cole, Christopher Reading 1985-12-24
4556559 Antibiotics Martin Cole, Christopher Reading 1985-12-03
4548815 Antibacterial agents Roger J. Ponsford 1985-10-22
4529720 Antibiotic from Streptomyces clavulicerus Martin Cole, Christopher Reading 1985-07-16
4526783 Antibiotic from S. clavuligerus Martin Cole, Christopher Reading 1985-07-02
4525353 Antibiotics Martin Cole, Christopher Reading 1985-06-25
4525352 Antibiotics Martin Cole, Christopher Reading 1985-06-25