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IPC Subgroup
G10L 25/48

specially adapted for particular use

Introduced: January 2013

Full Title

Speech or voice analysis techniques not restricted to a single one of groups > specially adapted for particular use

Classification Context

Section:
PHYSICS
Class:
MUSICAL INSTRUMENTS; ACOUSTICS
Subclass:
SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING

Filing statistics

IPC G10L 25/48 belongs to the parent subclass G10L, which recorded 174,065 patent applications worldwide between 2013 and 2023. Annual filings grew from 8,115 in 2013 to 18,565 in 2023 (+129%), peaking at 21,649 applications in 2020. The most active applicants in class G10 are SAMSUNG ELECTRONICS COMPANY (5,218 applications), GOOGLE (4,644 applications) and FRAUNHOFER (4,601 applications).

Source: EPO PATSTAT, worldwide filings

3 direct subcodes

Child Classifications

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  • G10L 25/69 for evaluating synthetic or decoded voice signals
  • G10L 25/72 for transmitting results of analysis

Top Applicants

Top 10 applicants by patent filingsfor 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