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DIFF Subgroup
A63F 13/424

involving acoustic input signals, e.g. by using the results of pitch or rhythm extraction or voice recognition

Introduced: January 2014

Full Title

Video games, i.e. games using an electronically generated display having two or more dimensions > Processing input control signals of video game devices, e.g. signals generated by the player or derived from the environment > by mapping the input signals into game commands, e.g. mapping the displacement of a stylus on a touch screen to the steering angle of a virtual vehicle > involving acoustic input signals, e.g. by using the results of pitch or rhythm extraction or voice recognition

Additional Content IPC

input arrangements for game devices comprising means for detecting acoustic signals evaluation based on rhythm only

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class A63,2013–2023, worldwide · Source: EPO PATSTAT

  1. SANKYO 23,899
  2. SANYO PRODUCT COMPANY 23,718
  3. DAIICHI SHOKAI COMPANY 13,338
  4. KYORAKU SANGYO 10,447
  5. UNIVERSAL ENTERTAINMENT CORPORATION 9,545
  6. SANEI R & D COMPANY 9,135
  7. SAMMY CORPORATION 7,126
  8. NEWGIN CORPORATION 5,651
  9. NETEASE 4,877
  10. HEIWA CORPORATION 3,938

Top Applicants (CPC)

Class A63,2013–2023, worldwide · Source: EPO PATSTAT

  1. NETEASE 4,324
  2. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 3,255
  3. SONY INTERACTIVE ENTERTAINMENT JP 2,643
  4. TENCENT TECHNOLOGY (SHENZHEN) COMPANY CN 2,353
  5. UNIVERSAL CITY STUDIOS US 2,005
  6. KARSTEN MANUFACTURING CORPORATION US 1,883
  7. ACUSHNET COMPANY US 1,495
  8. MICROSOFT TECHNOLOGY LICENSING US 1,272
  9. NINTENDO COMPANY JP 1,260
  10. SONY CORPORATION JP 1,169