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; )
11 direct subcodes
Child Classifications
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- G09G 1/02 Storage circuits (G09G1/06 - G09G1/28 take precedence)
- G09G 1/04 Deflection circuits
- G09G 1/06 using single beam tubes (G09G1/26, G09G1/28 take precedence),
- 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
- G09G 1/28 using colour tubes
Top Applicants
Top 10 applicants by patent filingsfor class G09, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG DISPLAY KR 22,477
- BOE TECHNOLOGY GROUP COMPANY CN 16,016
- BOE TECHNOLOGY GROUP COMPANY 12,918
- LG DISPLAY COMPANY KR 12,599
- SAMSUNG ELECTRONICS COMPANY KR 12,009
- SAMSUNG DISPLAY 6,252
- SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 4,410
- SONY CORPORATION JP 3,965
- LG ELECTRONICS KR 3,901
- LG DISPLAY COMPANY 3,705