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CPC Subgroup
G11B 23/20

with provision for splicing to provide permanent or temporary connections

Full Title

Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus > with provision for splicing to provide permanent or temporary connections

3 direct subcodes

Child Classifications

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  • G11B 23/22 of endless belts; of tapes forming Moebius loops
  • G11B 23/24 of tapes having multiple tracks parallel to edge of record carrier by offset splicing to form endless loop with one or more helical tracks
  • G11B 23/26 of leaders for loading or threading, e.g. to form a temporary connection

Top Applicants

Top 10 applicants by patent filingsfor class G11, 2013–2023, worldwide · Source: EPO PATSTAT

  1. MICRON TECHNOLOGY US 12,397
  2. SAMSUNG ELECTRONICS COMPANY KR 12,238
  3. SK HYNIX KR 11,371
  4. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 4,601
  5. INTEL CORPORATION US 3,874
  6. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 3,866
  7. SANDISK TECHNOLOGIES US 3,151
  8. SK HYNIX 3,143
  9. SAMSUNG ELECTRONICS COMPANY 3,073
  10. WESTERN DIGITAL TECHNOLOGIES US 2,961