Inventor · Ottawa, ON, CA

Paul C. Van Oorschot

18Patents
18h-index
15Co-inventors
67Inventor score

Filing activity: Oct 17, 1995 → Nov 1, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US6341164B1 Method and apparatus for correcting improper encryption and/or for reducing memory storage Electricity 309 Expired
US6092201A Method and apparatus for extending secure communication operations via a shared list Electricity 248 Expired
US5850443A Key management system for mixed-trust environments Electricity 244 Expired
US6202157A Computer network security system and method having unilateral enforceable security policy provision Electricity 209 Expired
US6229894A Method and apparatus for access to user-specific encryption information Physics 194 Expired
US6694434B1 Method and apparatus for controlling program execution and program distribution Physics 185 Expired
US6393568B1 Encryption and decryption system and method with content analysis provision Physics 181 Expired
US6134550A Method and apparatus for use in determining validity of a certificate in a communication system employing trusted paths Emerging Cross-Sectional Technologies 173 Expired
US6567914B1 Apparatus and method for reducing transmission bandwidth and storage requirements in a cryptographic security system Electricity 158 Expired
US5699431A Method for efficient management of certificate revocation lists and update information Electricity 147 Expired
US7174563B1 Computer network security system and method having unilateral enforceable security policy provision Electricity 143 Expired
US6128740A Computer security system and method with on demand publishing of certificate revocation lists Electricity 130 Expired
US6317829A Public key cryptography based security system to facilitate secure roaming of users Electricity 124 Expired
US6370249B1 Method and apparatus for public key management Electricity 120 Expired
US6134327A Method and apparatus for creating communities of trust in a secure communication system Electricity 103 Expired
US5664016A Method of building fast MACS from hash functions Electricity 101 Expired
US7010582B1 Systems and methods providing interactions between multiple servers and an end use device Electricity 71 Expired
US6215872A Method for creating communities of trust in a secure communication system Electricity 20 Expired

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