Inventor · Portland, OR, US

Carl M. Ellison

76Patents
25h-index
79Co-inventors
91Inventor score

Filing activity: Jun 15, 1992 → Feb 2, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US5557765A System and method for data recovery Electricity 256 Expired
US6507904B1 Executing isolated mode instructions in a secure system running in privilege rings Physics 216 Expired
US5745573A System and method for controlling access to a user secret Electricity 189 Expired
US5557346A System and method for key escrow encryption Electricity 177 Expired
US6633963B1 Controlling access to multiple memory zones in an isolated execution environment Physics 176 Expired
US6073237A Tamper resistant method and apparatus Electricity 173 Expired
US5991406A System and method for data recovery Electricity 129 Expired
US6678825B1 Controlling access to multiple isolated memories in an isolated execution environment Physics 114 Expired
US5640454A System and method for access field verification Electricity 80 Expired
US5956403A System and method for access field verification Electricity 66 Expired
US6760441B1 Generating a key hieararchy for use in an isolated execution environment Physics 54 Expired
US6996710B1 Platform and method for issuing and certifying a hardware-protected attestation key Electricity 49 Expired
US7082615B1 Protecting software environment in isolated execution Physics 48 Expired
US7305711B2 Public key media key block Electricity 47 Expired
US5475860A Input/output control system and method for direct memory transfer according to location addresses provided by the source unit and destination addresses provided by the destination unit Physics 45 Expired
US7243231B2 Sensory verification of shared data Electricity 37 Expired
US6990579B1 Platform and method for remote attestation of a platform Physics 36 Expired
US7013484B1 Managing a secure environment using a chipset in isolated execution mode Physics 35 Expired
US6795905B1 Controlling accesses to isolated memory using a memory controller for isolated execution Physics 35 Expired
US6754815B1 Method and system for scrubbing an isolated area of memory after reset of a processor operating in isolated execution mode if a cleanup flag is set Physics 34 Expired
US8364984B2 Portable secure data files Physics 34 Active
US7246235B2 Time varying presentation of items based on a key hash Electricity 33 Expired
US8689015B2 Portable secure data files Physics 30 Active
US6976162B1 Platform and method for establishing provable identities while maintaining privacy Electricity 26 Expired
US7013481B1 Attestation key memory device and bus Physics 26 Expired

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