Patent Classification Explorer PCE

DIFF Subgroup

G10L 15/22

Procedures used during a speech recognition process, e.g. man-machine dialogue

Introduced: January 2000

Title

Titles differ between systems:

IPC: Procedures used during a speech recognition process, e.g. man-machine dialog

CPC: Procedures used during a speech recognition process, e.g. man-machine dialogue

Full Title

Full titles differ between systems:

IPC:

Speech recognition > Procedures used during a speech recognition process, e.g. man-machine dialog

CPC:

Speech recognition (G10L17/00 takes precedence) > Procedures used during a speech recognition process, e.g. man-machine dialogue

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

Note: 4 CPC extensions are marked as secondary classification only.

Child Classifications

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G10L 15/222 CPC only CPC only
G10L 2015/221 2nd only CPC only CPC only
G10L 2015/223 2nd only CPC only CPC only
G10L 2015/225 2nd only CPC only CPC only
G10L 2015/226 2nd only +2 CPC CPC only CPC only

Top Applicants

Top Applicants (IPC)

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

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

Top Applicants (CPC)

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

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