CPC Subgroup
H04N 21/854 Content authoring
Full Title
Selective content distribution, e.g. interactive television or video on demand [VOD] (real-time bi-directional transmission of motion video data H04N7/14 ) > Generation or processing of content or additional data by content creator independently of the distribution process; Content per se > Assembly of content; Generation of multimedia applications > Content authoring
7 direct subcodes
Child Classifications
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- H04N 21/8541 involving branching, e.g. to different story endings
- H04N 21/8543 using a description language, e.g. Multimedia and Hypermedia information coding Expert Group [MHEG], eXtensible Markup Language [XML]
- H04N 21/8545 for generating interactive applications
- H04N 21/8547 involving timestamps for synchronizing content
- H04N 21/8549 Creating video summaries, e.g. movie trailer
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