CPC Subgroup Additional Only
H04M 2215/7222 Account identification
Full Title
Metering arrangements; Time controlling arrangements; Time indicating arrangements > Account specifications > Account identification
2 direct subcodes
Child Classifications
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- H04M 2215/7227 via service number, e.g. calling card
- H04M 2215/7231 by SIM, e.g. smart card account in SCP, SDP or SN
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