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IPC Subgroup
H04W 72/23

in the downlink direction of a wireless link, i.e. towards a terminal

Introduced: January 2023

Full Title

Local resource management > Control channels or signalling for resource management > in the downlink direction of a wireless link, i.e. towards a terminal

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
WIRELESS COMMUNICATION NETWORKS

2 direct subcodes

Child Classifications

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  • H04W 72/231 the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
  • H04W 72/232 the control data signalling from the physical layer, e.g. DCI signalling

Top Applicants

Top 10 applicants by patent filingsfor 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