H04M 15/00 Arrangements for metering, time-control or time-indication
Introduced: September 1968
Last revised: January 2024
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TELEPHONIC COMMUNICATION
Filing statistics
IPC H04M 15/00 belongs to the parent subclass H04M, which recorded 292,116 patent applications worldwide between 2013 and 2023. Annual filings declined from 26,112 in 2013 to 15,773 in 2023 (-40%), peaking at 34,745 applications in 2017. The most active applicants in class H04 are QUALCOMM (97,396 applications), HUAWEI TECHNOLOGIES COMPANY (96,502 applications) and SAMSUNG ELECTRONICS COMPANY (86,981 applications).
Source: EPO PATSTAT, worldwide filings
Additional Content
Accounting or billing specially adapted for wireless communication networks Usage measurements specially adapted for wireless communication networks
Related Keywords
9 direct subcodes
Child Classifications
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- H04M 15/02 Severing connection after a predetermined time
- H04M 15/04 Recording calls in printed, perforated, or other permanent form
- H04M 15/08 Metering calls to called party
- H04M 15/1 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
- QUALCOMM US 97,396
- HUAWEI TECHNOLOGIES COMPANY CN 96,502
- SAMSUNG ELECTRONICS COMPANY KR 86,981
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
- HUAWEI TECHNOLOGIES COMPANY 55,349
- LG ELECTRONICS KR 53,649
- CANON 33,341
- SONY CORPORATION JP 32,761
- ZTE CORPORATION CN 32,274
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327