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CPC Subgroup
G06F 21/71

to assure secure computing or processing of information

Full Title

Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity > Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer > to assure secure computing or processing of information

6 direct subcodes

Child Classifications

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  • G06F 21/73 by creating or determining hardware identification, e.g. serial numbers
  • G06F 21/74 operating in dual or compartmented mode, i.e. at least one secure mode
  • G06F 21/76 in application-specific integrated circuits [ASIC] or field-programmable devices, e.g. field-programmable gate arrays [FPGA] or programmable logic devices [PLD]
  • G06F 21/77 in smart cards

Top Applicants

Top 10 applicants by patent filingsfor class G06, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 76,952
  2. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,841
  3. MICROSOFT TECHNOLOGY LICENSING US 44,778
  4. GOOGLE US 35,735
  5. INTEL CORPORATION US 32,087
  6. HUAWEI TECHNOLOGIES COMPANY CN 30,572
  7. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 25,023
  8. APPLE US 23,482
  9. SGCC(STATE GRID CORPORATION OF CHINA) 22,548
  10. HUAWEI TECHNOLOGIES COMPANY 20,917