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CPC Subgroup
H04L 67/568

Storing data temporarily at an intermediate stage, e.g. caching

Full Title

Network arrangements or protocols for supporting network services or applications (user-to-user messaging H04L51/00; network arrangements, protocols or services for supporting real-time applications in data packet communications networks H04L65/00) > Network services > Provisioning of proxy services (store-and-forward switching systems in data switching networks H04L12/54) > Storing data temporarily at an intermediate stage, e.g. caching

3 direct subcodes

Child Classifications

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  • H04L 67/5681 Pre-fetching or pre-delivering data based on network characteristics
  • H04L 67/5682 Policies or rules for updating, deleting or replacing the stored data
  • H04L 67/5683 Storage of data provided by user terminals, i.e. reverse caching

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