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CPC Main Group
G09G 1/00

Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; (cathode-ray oscilloscopes G01R13/20; )

Filing statistics

CPC G09G 1/00 belongs to the parent subclass G09G, which recorded 225,109 patent applications worldwide between 2013 and 2023. Annual filings grew from 16,320 in 2013 to 19,138 in 2023 (+17%), peaking at 23,063 applications in 2019. The most active applicants in class G09 are SAMSUNG DISPLAY (22,477 applications), BOE TECHNOLOGY GROUP COMPANY (16,016 applications) and BOE TECHNOLOGY GROUP COMPANY (12,918 applications).

Source: EPO PATSTAT, worldwide filings

11 direct subcodes

Child Classifications

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  • G09G 1/002
  • G09G 1/005
  • G09G 1/007
  • G09G 1/02 Storage circuits (G09G1/06 - G09G1/28 take precedence)
  • G09G 1/04 Deflection circuits
  • G09G 1/20 using multi-beam tubes (G09G1/26, G09G1/28 take precedence)
  • G09G 1/22 using tubes permitting selection of a complete character from a number of characters
  • G09G 1/24 using tubes permitting selection of individual elements forming in combination a character
  • G09G 1/26 using storage tubes

Top Applicants

Top 10 applicants by patent filingsfor class G09, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 22,477
  2. BOE TECHNOLOGY GROUP COMPANY CN 16,016
  3. BOE TECHNOLOGY GROUP COMPANY 12,918
  4. LG DISPLAY COMPANY KR 12,599
  5. SAMSUNG ELECTRONICS COMPANY KR 12,009
  6. SAMSUNG DISPLAY 6,252
  7. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 4,410
  8. SONY CORPORATION JP 3,965
  9. LG ELECTRONICS KR 3,901
  10. LG DISPLAY COMPANY 3,705