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CPC Main Group
C30B 1/00

Single-crystal growth directly from the solid state (unidirectional demixing of eutectoid materials C30B3/00; under a protective fluid C30B27/00)

3 direct subcodes

Child Classifications

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  • C30B 1/10 by solid state reactions or multi-phase diffusion
  • C30B 1/12 by pressure treatment during the growth

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