CPC Main Group
H04M 15/00 Arrangements for metering, time-control or time indication
Filing statistics
CPC H04M 15/00 belongs to the parent subclass H04M, which recorded 236,508 patent applications worldwide between 2013 and 2023. Annual filings declined from 19,559 in 2013 to 13,232 in 2023 (-32%), peaking at 28,340 applications in 2017. The most active applicants in class H04 are HUAWEI TECHNOLOGIES COMPANY (101,476 applications), QUALCOMM (101,139 applications) and SAMSUNG ELECTRONICS COMPANY (96,655 applications).
Source: EPO PATSTAT, worldwide filings
47 direct subcodes
Child Classifications
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- H04M 15/04 Recording calls in printed, perforated or other permanent form
- H04M 15/08 Metering calls to called party
- H04M 15/10 Metering calls from calling party
- H04M 15/28 with meter at substation
- H04M 15/32 metering arrangements for satellites or concentrators which connect one or more exchange lines with a group of local lines
- H04M 15/34 metering arrangements for private branch exchanges
- H04M 15/36 metering arrangements for party-lines
- H04M 15/38 metering by apparatus other than mechanical step-by-step counter type
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