CPC Subgroup Additional Only
H04M 2215/724 Linked accounts
Full Title
Metering arrangements; Time controlling arrangements; Time indicating arrangements > Account specifications > Linked accounts
3 direct subcodes
Child Classifications
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- H04M 2215/7245 Shared by users, e.g. group accounts or one account for different users
- H04M 2215/725 Shared by technologies, e.g. one account for different access technologies
- H04M 2215/7254 Multiple accounts per user
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