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IPC Subgroup
G11B 17/049

Insertion of discs having to be extracted from the cartridge prior to recording or reproducing

Introduced: January 2006

Full Title

Guiding record carriers not specifically of filamentary or web form, or of supports therefor > Details > Feeding or guiding single record carrier to or from transducing unit > specially adapted for discs contained within cartridges > Insertion of discs having to be extracted from the cartridge prior to recording or reproducing

Classification Context

Section:
PHYSICS
Class:
INFORMATION STORAGE
Subclass:
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER

Top Applicants

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

  1. MICRON TECHNOLOGY US 10,574
  2. SK HYNIX KR 9,138
  3. SAMSUNG ELECTRONICS COMPANY KR 9,004
  4. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 3,739
  5. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 3,443
  6. INTEL CORPORATION US 2,952
  7. SANDISK TECHNOLOGIES US 2,905
  8. WESTERN DIGITAL TECHNOLOGIES US 2,630
  9. TOSHIBA CORPORATION JP 2,593
  10. SEAGATE TECHNOLOGY US 2,472