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IPC Subgroup
H04H 20/2

Arrangements for broadcast or distribution of identical information via plural systems

Introduced: January 2008

Full Title

Arrangements for broadcast or for distribution combined with broadcast > Arrangements for broadcast or distribution of identical information via plural systems

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
BROADCAST COMMUNICATION

2 direct subcodes

Child Classifications

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  • H04H 20/22 Arrangements for broadcast of identical information via plural broadcast systems
  • H04H 20/24 Arrangements for distribution of identical information via broadcast system and non-broadcast system

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