CPC Subgroup Additional Only
H04M 2203/10 related to the purpose or context of the telephonic communication
Full Title
Aspects of automatic or semi-automatic exchanges > related to the purpose or context of the telephonic communication
10 direct subcodes
Child Classifications
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- H04M 2203/1008 Calls without connection establishment for implicit information transfer or as a service trigger
- H04M 2203/1016 Telecontrol
- H04M 2203/1033 Remote administration, e.g. of web servers
- H04M 2203/1041 Televoting
- H04M 2203/105 Financial transactions and auctions, e.g. bidding
- H04M 2203/1058 Shopping and product ordering
- H04M 2203/1066 Game playing
- H04M 2203/1075 Telemetering, e.g. transmission of ambient measurements
- H04M 2203/1083 for hotels
- H04M 2203/1091 Fixed mobile conversion
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