CPC Main Group Additional Only
H04H 2201/00 Aspects of broadcast communication
Filing statistics
CPC H04H 2201/00 belongs to the parent subclass H04H, which recorded 18,791 patent applications worldwide between 2013 and 2023. Annual filings declined from 2,325 in 2013 to 705 in 2023 (-70%), peaking at 2,551 applications in 2014. 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
8 direct subcodes
Child Classifications
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- H04H 2201/10 characterised by the type of broadcast system
- H04H 2201/30 characterised by the use of a return channel, e.g. for collecting users' opinions, for returning broadcast space/time information or for requesting data
- H04H 2201/40 characterised in that additional data relating to the broadcast data are available via a different channel than the broadcast channel
- H04H 2201/50 characterised by the use of watermarks
- H04H 2201/60 characterised in that the receiver comprises more than one tuner
- H04H 2201/70 characterised in that receivers can be addressed
- H04H 2201/80 characterised in that motion picture association of America [MPAA] ratings are used
- H04H 2201/90 characterised by the use of signatures
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