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PCE
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DIFF Subgroup
G10H 1/18

Selecting circuits

Introduced: January 1980

Full Title

Details of electrophonic musical instruments > Selecting circuits

Of 7 combined children, 4 exist in both systems.

3 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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  • G10H 1/181 CPC only CPC only
  • G10H 1/182 CPC only CPC only
  • G10H 1/20 for transposition since 1980 IPC+CPC Available in IPC and CPC
  • G10H 1/22 for suppressing tones; Preference networks since 1980 IPC+CPC Available in IPC and CPC
  • G10H 1/24 for selecting plural preset register stops since 1980 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 5,218
  2. GOOGLE US 4,644
  3. FRAUNHOFER DE 4,601
  4. SONY CORPORATION JP 2,380
  5. HUAWEI TECHNOLOGIES COMPANY CN 2,179
  6. YAMAHA CORPORATION 2,120
  7. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 1,974
  8. MICROSOFT TECHNOLOGY LICENSING US 1,916
  9. AMAZON TECHNOLOGIES US 1,866
  10. DOLBY LABORATORIES LICENSING CORPORATION US 1,843

Top Applicants (CPC)

Class G10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 6,277
  2. GOOGLE US 5,429
  3. FRAUNHOFER DE 4,984
  4. SONY CORPORATION JP 2,808
  5. HUAWEI TECHNOLOGIES COMPANY CN 2,577
  6. MICROSOFT TECHNOLOGY LICENSING US 2,382
  7. DOLBY LABORATORIES LICENSING CORPORATION US 2,123
  8. QUALCOMM US 2,117
  9. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,049
  10. AMAZON TECHNOLOGIES US 1,924