CPC Subgroup
H04W 92/04 Interfaces between hierarchically different network devices
Full Title
Interfaces specially adapted for wireless communication networks > Interfaces between hierarchically different network devices
6 direct subcodes
Child Classifications
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- H04W 92/06 between gateways and public network devices
- H04W 92/08 between user and terminal device
- H04W 92/10 between terminal device and access point, i.e. wireless air interface
- H04W 92/12 between access points and access point controllers
- H04W 92/14 between access point controllers and backbone network device
Top Applicants
Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT
- HUAWEI TECHNOLOGIES COMPANY CN 101,476
- QUALCOMM US 101,139
- SAMSUNG ELECTRONICS COMPANY KR 96,655
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
- LG ELECTRONICS KR 55,253
- HUAWEI TECHNOLOGIES COMPANY 54,181
- SONY CORPORATION JP 35,309
- ZTE CORPORATION CN 32,950
- INTEL CORPORATION US 27,533
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498