Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Main Group
G10L 15/00

Speech recognition (G10L17/00 takes precedence)

Introduced: January 2000

Title

Titles differ between systems:

IPC: Speech recognition

CPC: Speech recognition (G10L17/00 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Speech recognition

CPC:

Speech recognition (G10L17/00 takes precedence)

Additional Content IPC

Limiting references

Speaker identification or verification

Application references

Surgical instruments, devices or methods, e.g. tourniquets Aspects of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations of the game Electric circuits specially adapted for vehicles for occupant comfort, e.g. voice control for systems within a vehicle Sound input arrangements for computers

Of 11 combined children, 10 exist in both systems.

1 codes are CPC-only extensions.

4 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2000.

Child Classifications

Navigate with arrow keys, Enter to open

  • G10L 15/005 CPC only CPC only
  • G10L 15/01 Assessment or evaluation of speech recognition systems since 2013 IPC+CPC Available in IPC and CPC
  • G10L 15/20 Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech (G10L21/02 takes precedence) since 2000 IPC+CPC Available in IPC and CPC
  • G10L 15/26 Speech to text systems (G10L15/08 takes precedence) since 2000 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