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DIFF Subgroup
H04N 23/95

Computational photography systems, e.g. light-field imaging systems

Introduced: January 2023

Full Title

Cameras or camera modules comprising electronic image sensors; Control thereof > Computational photography systems, e.g. light-field imaging systems

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

IPC defines codes here since 2023.

Child Classifications

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  • H04N 23/951 by using two or more images to influence resolution, frame rate or aspect ratio since 2023 IPC+CPC Available in IPC and CPC
  • H04N 23/955 for lensless imaging since 2023 IPC+CPC Available in IPC and CPC
  • H04N 23/957 Light-field or plenoptic cameras or camera modules since 2023 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

  1. QUALCOMM US 97,396
  2. HUAWEI TECHNOLOGIES COMPANY CN 96,502
  3. SAMSUNG ELECTRONICS COMPANY KR 86,981
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
  5. HUAWEI TECHNOLOGIES COMPANY 55,349
  6. LG ELECTRONICS KR 53,649
  7. CANON 33,341
  8. SONY CORPORATION JP 32,761
  9. ZTE CORPORATION CN 32,274
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327

Top Applicants (CPC)

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

  1. HUAWEI TECHNOLOGIES COMPANY CN 101,476
  2. QUALCOMM US 101,139
  3. SAMSUNG ELECTRONICS COMPANY KR 96,655
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
  5. LG ELECTRONICS KR 55,253
  6. HUAWEI TECHNOLOGIES COMPANY 54,181
  7. SONY CORPORATION JP 35,309
  8. ZTE CORPORATION CN 32,950
  9. INTEL CORPORATION US 27,533
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498