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CPC Subgroup
H04N 19/20

using video object coding

Full Title

Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > using video object coding

Filing statistics

CPC H04N 19/20 belongs to the parent subclass H04N, which recorded 864,508 patent applications worldwide between 2013 and 2023. Annual filings grew from 63,372 in 2013 to 69,353 in 2023 (+9%), peaking at 99,144 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

5 direct subcodes

Child Classifications

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  • H04N 19/21 with binary alpha-plane coding for video objects, e.g. context-based arithmetic encoding [CAE]
  • H04N 19/23 with coding of regions that are present throughout a whole video segment, e.g. sprites, background or mosaic
  • H04N 19/25 with scene description coding, e.g. binary format for scenes [BIFS] compression
  • H04N 19/27 involving both synthetic and natural picture components, e.g. synthetic natural hybrid coding [SNHC]
  • H04N 19/29 involving scalability at the object level, e.g. video object layer [VOL]

Top Applicants

Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. HUAWEI TECHNOLOGIES COMPANY CN 101,476
  2. QUALCOMM US 101,139
  3. SAMSUNG ELECTRONICS COMPANY KR 96,655
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
  5. LG ELECTRONICS KR 55,253
  6. HUAWEI TECHNOLOGIES COMPANY 54,181
  7. SONY CORPORATION JP 35,309
  8. ZTE CORPORATION CN 32,950
  9. INTEL CORPORATION US 27,533
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498