Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup Additional Only
H04K 2203/30

Jamming or countermeasure characterized by the infrastructure components

Full Title

Jamming of communication; Countermeasures > Jamming or countermeasure characterized by the infrastructure components

3 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • H04K 2203/32 including a particular configuration of antennas
  • H04K 2203/34 involving multiple cooperating jammers
  • H04K 2203/36 including means for exchanging jamming data between transmitter and receiver, e.g. in forward or backward direction

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