Inventor · Suwon-si, KR

Weon-il Jin

38Patents
6h-index
30Co-inventors
65Inventor score

Filing activity: Nov 7, 2003 → Apr 22, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7486171B2 RFID tag, system for purchasing service by using RFID tag, and method thereof Physics 24 Active
US7421074B2 Security system using RSA algorithm and method thereof Electricity 20 Active
US8055896B2 Tag generation method in broadcast encryption system Electricity 9 Active
US7576651B2 Radio frequency identification (RFID) tag encryption method and system using broadcast encryption (BE) scheme Electricity 9 Active
US8160246B2 Apparatus and method for generating a key for broadcast encryption Electricity 9 Active
US7779262B2 Security method using electronic signature Electricity 7 Active
US8200963B2 Combination-based broadcast encryption method Electricity 6 Active
US8516557B2 User terminal with security function and security-control method Physics 5 Active
US7942335B2 Radio frequency system and password management method in radio frequency system Physics 5 Active
US7929705B2 Method of managing user key for broadcast encryption Electricity 4 Active
US7755469B2 Radio frequency identification tag and radio frequency identification privacy protection system and method Electricity 4 Active
US8005225B2 Hierarchical threshold tree-based broadcast encryption method Electricity 3 Active
US7760096B2 Radio frequency identification (RFID) tag encryption method and system using broadcast encryption (BE) scheme Electricity 2 Active
US7346641B2 Method and apparatus for basis conversion in finite field Physics 2 Expired
US8966511B2 Computer system and method for preventing dynamic-link library injection attack Physics 2 Active
US8625784B2 Broadcast encryption method and broadcast decryption method thereof Electricity 2 Active
US7848525B2 Hybrid broadcast encryption method Electricity 1 Active
US7810113B2 Security device and head end in conditional access system and method for controlling illegal use in the system Electricity 1 Active
US8605898B2 Apparatus and method that generates originality verification and verifies originality verification Electricity 1 Active
US8054975B2 Method and system for managing key of home device in broadcast encryption (BE) system Electricity 0 Active
US9053128B2 Assertion management method and apparatus, and reasoning apparatus including the assertion management apparatus Physics 0 Active
US8897445B2 Combination-based broadcast encryption method Electricity 0 Active
US8615806B2 Apparatus and method for detecting a code injection attack Electricity 0 Active
US8755520B2 Apparatus and method for generating a key for broadcast encryption Electricity 0 Active
US7752435B2 Method for managing user key for broadcast encryption Electricity 0 Active

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