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CPC Subgroup
C30B 15/16

by irradiation or electric discharge

Full Title

Single-crystal growth by pulling from a melt, e.g. Czochralski method (under a protective fluid C30B27/00) > Heating of the melt or the crystallised materials > by irradiation or electric discharge

Top Applicants

Top 10 applicants by patent filingsfor class C30, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 1,052
  2. SUMCO CORPORATION JP 881
  3. APPLIED MATERIALS US 871
  4. SUMITOMO ELECTRIC INDUSTRIES JP 682
  5. SHIN ETSU HANDOTAI COMPANY JP 649
  6. SHIN-ETSU CHEMICAL COMPANY JP 506
  7. SUMCO CORPORATION 500
  8. SILTRONIC DE 491
  9. GLOBALWAFERS COMPANY TW 458
  10. NGK INSULATORS JP 379