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CPC Subgroup
G10H 7/10

using coefficients or parameters stored in a memory, e.g. Fourier coefficients (G10H7/12 takes precedence)

Full Title

Instruments in which the tones are synthesised from a data store, e.g. computer organs > by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform > using coefficients or parameters stored in a memory, e.g. Fourier coefficients (G10H7/12 takes precedence)

1 direct subcode

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor 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