CPC Main Group
G09B 11/00 Teaching hand-writing, shorthand, drawing, or painting
5 direct subcodes
Child Classifications
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- G09B 11/02 Finger, hand or arm supporting devices
- G09B 11/04 Guide sheets or plates; Tracing charts (templets for drawing purposes B43L13/20)
- G09B 11/06 Devices involving the use of transparent or translucent tracing material, e.g. copy books
- G09B 11/08 Teaching shorthand
- G09B 11/10 Teaching painting
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