CPC Subgroup Additional Only
H04M 2215/82 Advice-of-Charge [AOC], i.e. notify subscriber of charges/cumulative charge; meter at the substation
Full Title
Metering arrangements; Time controlling arrangements; Time indicating arrangements > Advice-of-Charge [AOC], i.e. notify subscriber of charges/cumulative charge; meter at the substation
1 direct subcode
Child Classifications
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- H04M 2215/825 Select from different charging routines or algorithms or formulas
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