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CPC Main Group Additional Only
H04N 2213/00

Details of stereoscopic systems

Filing statistics

CPC H04N 2213/00 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

7 direct subcodes

Child Classifications

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  • H04N 2213/001 Constructional or mechanical details
  • H04N 2213/002 Eyestrain reduction by processing stereoscopic signals or controlling stereoscopic devices
  • H04N 2213/003 Aspects relating to the "2D+depth" image format
  • H04N 2213/005 Aspects relating to the "3D+depth" image format
  • H04N 2213/006 Pseudo-stereoscopic systems, i.e. systems wherein a stereoscopic effect is obtained without sending different images to the viewer's eyes
  • H04N 2213/007 Aspects relating to detection of stereoscopic image format, e.g. for adaptation to the display format
  • H04N 2213/008 Aspects relating to glasses for viewing stereoscopic images

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