CPC Subgroup
C30B 29/30 Niobates; Vanadates; Tantalates
Full Title
Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape > Inorganic compounds or compositions > Oxides > Complex oxides > Niobates; Vanadates; Tantalates
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