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PCE
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CPC Subgroup
H04L 47/193

at the transport layer, e.g. TCP related

Full Title

Traffic control in data switching networks (arrangements for detecting or preventing errors in the information received H04L1/00) > Flow control; Congestion control > at layers above the network layer (network arrangements for networked applications for scheduling or organising the servicing of application requests H04L67/60) > at the transport layer, e.g. TCP related

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