Inventor · Portola Valley, CA, US

Kerry D. Brown

34Patents
23h-index
17Co-inventors
78Inventor score

Filing activity: Oct 10, 2002 → Mar 3, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7584153B2 Financial transactions with dynamic card verification values Physics 772 Active
US7472829B2 Payment card with internally generated virtual account numbers for its magnetic stripe encoder and user display Physics 548 Active
US7580898B2 Financial transactions with dynamic personal account numbers Physics 537 Active
US7246752B2 Magnetic stripe card with dynamic numbers Physics 470 Expired
US7380710B2 Payment card preloaded with unique numbers Physics 465 Active
US8104679B2 Display payment card with fraud and location detection Physics 456 Active
US7543739B2 Automated payment card fraud detection and location Physics 438 Active
US7127236B2 Micropayment financial transaction process utilizing wireless network processing Physics 309 Expired
US7494055B2 Collaborative negotiation techniques for mobile personal trusted device financial transactions Physics 307 Expired
US7044394B2 Programmable magnetic data storage card Physics 284 Expired
US7641124B2 Magnetic data recording device Physics 245 Active
US7631804B2 Payment card financial validation processing center Physics 227 Active
US7252232B2 Adaptor for magnetic stripe card reader Physics 140 Expired
USD491953S1 Proximity interface with advertising insert for transaction acceptance systems General 103 Expired
US8596528B2 Collaborative negotiation techniques for mobile personal trusted device financial transactions Physics 75 Active
USD490840S1 Proximity interface for transaction acceptance systems General 73 Expired
US7028897B2 Adaptor for magnetic stripe card reader Physics 47 Expired
USD562888S1 Payment card with a full pan display General 37 Expired
US8240557B2 Collaborative negotiation techniques for mobile personal trusted device financial transactions Physics 36 Active
US7051932B2 Adaptor for magnetic stripe card reader Physics 29 Expired
US8267327B2 Payment card manufacturing technology Physics 26 Active
US8868902B1 Characteristically shaped colorgram tokens in mobile transactions Electricity 25 Active
US8201747B2 Auto-sequencing financial payment display card Physics 25 Active
US8998096B2 Magnetic emissive use of preloaded payment card account numbers Physics 23 Active
USD565097S1 Payment card with partial PAN display General 20 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.