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DIFF Main Group
H04B 10/00

Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication

Introduced: January 1990

Additional Content IPC

station stations head-end or subscriber network terminal soliton solitons an optical pulse that does not change during propagation because of a balance between non-linear and linear effects in the fibre air the standard gaseous mixture of nitrogen and oxygen or this mixture with varying amounts of moisture and particulate matter, enveloping the earth; the atmosphere fluid liquid corpuscular radiation beams of atomic or subatomic discrete particles, e.g. photon, alpha particle, neutron, fission fragment or fissionable isotope.

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

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2013.

Child Classifications

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  • H04B 10/70 Photonic quantum communication since 2013 IPC+CPC Available in IPC and CPC
  • H04B 10/90 Non-optical transmission systems, e.g. transmission systems employing non-photonic corpuscular radiation since 2013 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