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IPC Subgroup
H04L 67/01

Protocols

Introduced: January 2022

Full Title

Network arrangements or protocols for supporting network services or applications > Protocols

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION

9 direct subcodes

Child Classifications

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  • H04L 67/04 specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
  • H04L 67/06 specially adapted for file transfer, e.g. file transfer protocol [FTP]
  • H04L 67/08 specially adapted for terminal emulation, e.g. Telnet
  • H04L 67/131 Protocols for games, networked simulations or virtual reality
  • H04L 67/133 Protocols for remote procedure calls [RPC]
  • H04L 67/1396 specially adapted for monitoring users’ activity

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