DIFF Main Group
H04W 92/00 Interfaces specially adapted for wireless communication networks
Introduced: January 2009
Additional Content IPC
GSM Global System for Mobile communications UMTS Universal Mobile Telecommunications System MSC Mobile Switching Center MGW Media Gateway SGSN Serving GPRS Support Node GPRS General Packet Radio Service ME Mobile Equipment EIR Equipment Identity Register USIM Universal Subscriber Identity Module
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
IPC defines codes here since 2009.
Child Classifications
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- H04W 92/04 Interfaces between hierarchically different network devices since 2009 +1 CPC IPC+CPC Available in IPC and CPC
- H04W 92/16 Interfaces between hierarchically similar devices since 2009 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class H04,2013–2023, worldwide · Source: EPO PATSTAT
- QUALCOMM US 97,396
- HUAWEI TECHNOLOGIES COMPANY CN 96,502
- SAMSUNG ELECTRONICS COMPANY KR 86,981
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
- HUAWEI TECHNOLOGIES COMPANY 55,349
- LG ELECTRONICS KR 53,649
- CANON 33,341
- SONY CORPORATION JP 32,761
- ZTE CORPORATION CN 32,274
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327
Top Applicants (CPC)
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