Inventor · Sudbury, MA, US

John Brainard

41Patents
18h-index
22Co-inventors
81Inventor score

Filing activity: May 4, 1999 → Feb 5, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6985583B1 System and method for authentication seed distribution Electricity 410 Expired
US7363494B2 Method and apparatus for performing enhanced time-based authentication Electricity 360 Expired
US7197639B1 Cryptographic countermeasures against connection depletion attacks Electricity 274 Expired
US7502467B2 System and method for authentication seed distribution Electricity 270 Expired
US7298243B2 Radio frequency identification system with privacy policy implementation based on device classification Physics 261 Expired
US8312519B1 Agile OTP generation Electricity 242 Active
US8566916B1 Agile OTP generation Electricity 213 Active
US8850538B1 Agile OTP generation Electricity 211 Active
US9118663B1 Agile OTP generation Electricity 211 Active
US9306942B1 Agile OTP generation Electricity 211 Active
US9432360B1 Security-aware split-server passcode verification for one-time authentication tokens Physics 45 Active
US9306741B1 Updating keys for use in authentication Electricity 33 Active
US8495372B2 Authentication methods and apparatus using pairing protocols and other techniques Electricity 30 Active
US9467293B1 Generating authentication codes associated with devices Electricity 29 Active
US9225717B1 Event-based data signing via time-based one-time authentication passcodes Electricity 22 Active
US8618913B1 Radio frequency identification enabled mobile device Electricity 19 Active
US9137012B2 Wireless authentication methods and apparatus Electricity 18 Active
US9270655B1 Configurable one-time authentication tokens with improved resilience to attacks Electricity 18 Active
US8904482B1 Techniques for securing a one-time passcode with an alteration code Electricity 14 Active
US9407631B1 Multi-server passcode verification for one-time authentication tokens with auxiliary channel compatibility Physics 14 Active
US9667611B1 Situationally aware authentication Electricity 12 Active
US9454654B1 Multi-server one-time passcode verification on respective high order and low order passcode portions Electricity 11 Active
US8438617B2 User authentication based on voucher codes Physics 10 Active
US9350545B1 Recovery mechanism for fault-tolerant split-server passcode verification of one-time authentication tokens Electricity 9 Active
US9654467B1 Time synchronization solutions for forward-secure one-time authentication tokens Electricity 7 Active

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