CPC Subgroup
H04W 40/02 Communication route or path selection, e.g. power-based or shortest path routing
Full Title
Communication routing or communication path finding > Communication route or path selection, e.g. power-based or shortest path routing
7 direct subcodes
Child Classifications
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- H04W 40/04 based on wireless node resources
- H04W 40/12 based on transmission quality or channel quality
- H04W 40/18 based on predicted events
- H04W 40/20 based on geographic position or location
- H04W 40/22 using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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