CPC Main Group
C30B 30/00 Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions
Filing statistics
CPC C30B 30/00 belongs to the parent subclass C30B, which recorded 47,784 patent applications worldwide between 2013 and 2023. Annual filings grew from 3,425 in 2013 to 5,586 in 2023 (+63%), peaking at 5,757 applications in 2022. The most active applicants in class C30 are CHINESE ACADEMY OF SCIENCES (1,052 applications), SUMCO CORPORATION (881 applications) and APPLIED MATERIALS (871 applications).
Source: EPO PATSTAT, worldwide filings
4 direct subcodes
Child Classifications
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- C30B 30/02 using electric fields, e.g. electrolysis
- C30B 30/04 using magnetic fields
- C30B 30/06 using mechanical vibrations
- C30B 30/08 in conditions of zero-gravity or low gravity
Top Applicants
Top 10 applicants by patent filingsfor class C30, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 1,052
- SUMCO CORPORATION JP 881
- APPLIED MATERIALS US 871
- SUMITOMO ELECTRIC INDUSTRIES JP 682
- SHIN ETSU HANDOTAI COMPANY JP 649
- SHIN-ETSU CHEMICAL COMPANY JP 506
- SUMCO CORPORATION 500
- SILTRONIC DE 491
- GLOBALWAFERS COMPANY TW 458
- NGK INSULATORS JP 379