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DIFF Subgroup
G06F 17/17

Function evaluation by approximation methods, e.g. inter- or extrapolation, smoothing, least mean square method ( ; interpolation for numerical control G05B19/18)

Introduced: January 1995

Title

Titles differ between systems:

IPC: Function evaluation by approximation methods, e.g. interpolation or extrapolation, smoothing or least mean square method

CPC: Function evaluation by approximation methods, e.g. inter- or extrapolation, smoothing, least mean square method ( ; interpolation for numerical control G05B19/18)

Full Title

Full titles differ between systems:

IPC:

Digital computing or data processing equipment or methods, specially adapted for specific functions > Complex mathematical operations > Function evaluation by approximation methods, e.g. interpolation or extrapolation, smoothing or least mean square method

CPC:

Digital computing or data processing equipment or methods, specially adapted for specific functions (information retrieval, database structures or file system structures therefor G06F16/00) > Complex mathematical operations > Function evaluation by approximation methods, e.g. inter- or extrapolation, smoothing, least mean square method ( ; interpolation for numerical control G05B19/18)

Additional Content IPC

Limiting references

None

Application references

Interpolation for numerical control

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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Top Applicants

Top Applicants (IPC)

Class G06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 66,669
  2. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,313
  3. MICROSOFT TECHNOLOGY LICENSING US 41,918
  4. GOOGLE US 32,969
  5. SGCC(STATE GRID CORPORATION OF CHINA) 30,822
  6. INTEL CORPORATION US 30,010
  7. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 28,235
  8. HUAWEI TECHNOLOGIES COMPANY CN 26,079
  9. APPLE US 21,891
  10. HUAWEI TECHNOLOGIES COMPANY 20,505

Top Applicants (CPC)

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