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CPC Subgroup Additional Only
G11B 2220/2595

Super-resolution optical discs, i.e. optical discs wherein the size of marks is below the optical diffraction limit

Full Title

Record carriers by type > Disc-shaped record carriers > characterised in that the disc is based on a specific recording technology > Optical discs > Super-resolution optical discs, i.e. optical discs wherein the size of marks is below the optical diffraction limit

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