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CPC Subgroup
H01F 10/20

Ferrites

Full Title

Thin magnetic films, e.g. of one-domain structure (magnetic record carriers G11B5/00; thin-film magnetic stores G11C) > characterised by magnetic layers ( ; applying thin magnetic films to substrates H01F41/14) > characterised by the composition > being compounds > Ferrites

3 direct subcodes

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 37,897
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
  3. APPLIED MATERIALS US 21,640
  4. LG ENERGY SOLUTION KR 20,770
  5. LG CHEM KR 19,835
  6. TOKYO ELECTRON JP 18,519
  7. ROBERT BOSCH DE 14,595
  8. INTEL CORPORATION US 13,580
  9. MURATA MANUFACTURING COMPANY JP 12,151
  10. SAMSUNG SDI COMPANY KR 12,080