CPC Subgroup
C30B 29/60 characterised by shape
Full Title
Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape > characterised by shape
6 direct subcodes
Child Classifications
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- C30B 29/62 Whiskers or needles
- C30B 29/64 Flat crystals, e.g. plates, strips or discs
- C30B 29/66 Crystals of complex geometrical shape, e.g. tubes, cylinders
- C30B 29/68 Crystals with laminate structure, e.g. "superlattices"
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