CPC Subgroup Additional Only
H04M 2215/20 Technology dependant metering
Full Title
Metering arrangements; Time controlling arrangements; Time indicating arrangements > Technology dependant metering
14 direct subcodes
Child Classifications
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- H04M 2215/2006 Fixed telephone network, e.g. POTS, ISDN
- H04M 2215/2013 Fixed data network, e.g. PDN, ATM, B-ISDN
- H04M 2215/202 VoIP; Packet switched telephony
- H04M 2215/2026 Wireless network, e.g. GSM, PCS, TACS
- H04M 2215/2033 WLAN
- H04M 2215/204 UMTS; GPRS
- H04M 2215/2046 Hybrid network
- H04M 2215/2053 In based PPS
- H04M 2215/206 CDMA, i.e. Code Division Multiple Access
- H04M 2215/2066 Service node based PPS
- H04M 2215/2073 Multipoint, e.g. messaging, broadcast or group SMS
- H04M 2215/208 IMS, i.e. Integrated Multimedia messaging Subsystem
- H04M 2215/2086 xDSL Modem lines, e.g. HDSL or ADSL
- H04M 2215/2093 Push to talk
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