CPC Main Group
G09B 15/00 Teaching music (metronomes G04F5/02)
5 direct subcodes
Child Classifications
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- G09B 15/02 Boards or like means for providing an indication of notes
- G09B 15/06 Devices for exercising or strengthening fingers or arms; Devices for holding fingers or arms in a proper position for playing (for teaching typing G09B13/00; exercising apparatus for developing or strengthening the muscles for physical training A63B21/00, A63B23/00)
- G09B 15/08 Practice keyboards (for teaching typing G09B13/02)
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