Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication

Filing statistics

CPC H04B 10/00 belongs to the parent subclass H04B, which recorded 474,755 patent applications worldwide between 2013 and 2023. Annual filings grew from 34,313 in 2013 to 39,995 in 2023 (+17%), peaking at 50,387 applications in 2020. 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

12 direct subcodes

Child Classifications

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H04B 10/03 Arrangements for fault recovery
H04B 10/07 Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
H04B 10/11 Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
H04B 10/25 Arrangements specific to fibre transmission
H04B 10/27 Arrangements for networking
H04B 10/29 Repeaters
H04B 10/40 Transceivers
H04B 10/50 Transmitters
H04B 10/60 Receivers
H04B 10/70 Photonic quantum communication
H04B 10/80 Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
H04B 10/90 Non-optical transmission systems, e.g. transmission systems employing non-photonic corpuscular radiation

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