Electronic components, circuits, software, systems or apparatus used in telephone systems

Filing statistics

CPC H04M 2201/00 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

27 direct subcodes

Child Classifications

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H04M 2201/02 Diodes
H04M 2201/04 Transistors
H04M 2201/06 Integrated circuits
H04M 2201/08 Magnetic elements
H04M 2201/10 Logic circuits
H04M 2201/12 Counting circuits
H04M 2201/14 Delay circuits; Timers
H04M 2201/16 Sequence circuits
H04M 2201/18 Comparators
H04M 2201/20 Scanners
H04M 2201/22 Synchronisation circuits
H04M 2201/26 A/D convertors
H04M 2201/28 S/P convertors
H04M 2201/30 PCM
H04M 2201/32 Personal computers
H04M 2201/34 Microprocessors
H04M 2201/36 Memories
H04M 2201/38 Displays
H04M 2201/39 using speech synthesis
H04M 2201/40 using speech recognition

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