Inventor · San Jose, CA, US

Jonathan D. Callas

9Patents
8h-index
8Co-inventors
58Inventor score

Filing activity: Sep 16, 1998 → Jun 3, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US7159237B2 Method and system for dynamic network intrusion monitoring, detection and response Electricity 252 Expired
US6336186B1 Cryptographic system and methodology for creating and managing crypto policy on certificate servers Physics 190 Expired
US7640427B2 System and method for secure electronic communication in a partially keyless environment Electricity 78 Expired
US7657037B2 Apparatus and method for identity-based encryption within a conventional public-key infrastructure Electricity 38 Active
US8489889B1 Method and apparatus for restricting access to encrypted data Physics 37 Active
US7895641B2 Method and system for dynamic network intrusion monitoring, detection and response Electricity 37 Active
US7383439B2 Apparatus and method for facilitating encryption and decryption operations over an email server using an unsupported protocol Electricity 36 Expired
US8831992B2 Apparatus and method for facilitating cryptographic key management services Electricity 12 Active
US9235532B2 Secure storage of full disk encryption keys Physics 3 Active

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