IPC Main Group
H04W 40/00 Communication routing or communication path finding
Introduced: January 2009
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- WIRELESS COMMUNICATION NETWORKS
3 direct subcodes
Child Classifications
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- H04W 40/02 Communication route or path selection, e.g. power-based or shortest path routing
- H04W 40/24 Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W 40/34 Modification of an existing route
Top Applicants
Top 10 applicants by patent filingsfor 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