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DIFF Subgroup
G06N 3/08

Learning methods

Introduced: January 2000

Full Title

Computing arrangements based on biological models > Neural networks > Learning methods

IPC and CPC are identically structured here. All 12 subcodes exist in both systems.

IPC defines codes here since 2023.

Child Classifications

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  • G06N 3/082 modifying the architecture, e.g. adding, deleting or silencing nodes or connections since 2023 IPC+CPC Available in IPC and CPC
  • G06N 3/084 Backpropagation, e.g. using gradient descent since 2023 IPC+CPC Available in IPC and CPC
  • G06N 3/086 using evolutionary algorithms, e.g. genetic algorithms or genetic programming since 2023 IPC+CPC Available in IPC and CPC
  • G06N 3/088 Non-supervised learning, e.g. competitive learning since 2023 IPC+CPC Available in IPC and CPC
  • G06N 3/0895 Weakly supervised learning, e.g. semi-supervised or self-supervised learning since 2023 IPC+CPC Available in IPC and CPC
  • G06N 3/09 Supervised learning since 2023 IPC+CPC Available in IPC and CPC
  • G06N 3/091 Active learning since 2023 IPC+CPC Available in IPC and CPC
  • G06N 3/092 Reinforcement learning since 2023 IPC+CPC Available in IPC and CPC
  • G06N 3/094 Adversarial learning since 2023 IPC+CPC Available in IPC and CPC
  • G06N 3/096 Transfer learning since 2023 IPC+CPC Available in IPC and CPC
  • G06N 3/098 Distributed learning, e.g. federated learning since 2023 IPC+CPC Available in IPC and CPC
  • G06N 3/0985 Hyperparameter optimisation; Meta-learning; Learning-to-learn since 2023 IPC+CPC Available in IPC and CPC

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