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CPC Main Group
H04W 4/00

Services specially adapted for wireless communication networks; Facilities therefor

13 direct subcodes

Child Classifications

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  • H04W 4/16 Communication-related supplementary services, e.g. call-transfer or call-hold
  • H04W 4/24 Accounting or billing
  • H04W 4/50 Service provisioning or reconfiguring
  • H04W 4/60 Subscription-based services using application servers or record carriers, e.g. SIM application toolkits
  • H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
  • H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
  • H04W 4/90 Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]

Top Applicants

Top 10 applicants by patent filingsfor 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