G11B 31/00 Arrangements for the associated working of recording or reproducing apparatus with related apparatus (with cameras or projectors G03B31/00 )
Introduced: September 1968
Title
Titles differ between systems:
IPC: Arrangements for the associated working of recording or reproducing apparatus with related apparatus
CPC: Arrangements for the associated working of recording or reproducing apparatus with related apparatus (with cameras or projectors G03B31/00 )
Full Title
Full titles differ between systems:
Arrangements for the associated working of recording or reproducing apparatus with related apparatus
Arrangements for the associated working of recording or reproducing apparatus with related apparatus (with cameras or projectors G03B31/00 )
Additional Content IPC
Substation equipment for recording telephonic conversations or messages for absent subscribers
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class G11,2013–2023, worldwide · Source: EPO PATSTAT
- MICRON TECHNOLOGY US 10,574
- SK HYNIX KR 9,138
- SAMSUNG ELECTRONICS COMPANY KR 9,004
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 3,739
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 3,443
- INTEL CORPORATION US 2,952
- SANDISK TECHNOLOGIES US 2,905
- WESTERN DIGITAL TECHNOLOGIES US 2,630
- TOSHIBA CORPORATION JP 2,593
- SEAGATE TECHNOLOGY US 2,472
Top Applicants (CPC)
Class G11,2013–2023, worldwide · Source: EPO PATSTAT
- MICRON TECHNOLOGY US 12,397
- SAMSUNG ELECTRONICS COMPANY KR 12,238
- SK HYNIX KR 11,371
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 4,601
- INTEL CORPORATION US 3,874
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 3,866
- SANDISK TECHNOLOGIES US 3,151
- SK HYNIX 3,143
- SAMSUNG ELECTRONICS COMPANY 3,073
- WESTERN DIGITAL TECHNOLOGIES US 2,961