CPC Subgroup
H01F 41/14 for applying magnetic films to substrates
Full Title
Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties > for applying magnetic films to substrates
6 direct subcodes
Child Classifications
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- H01F 41/16 the magnetic material being applied in the form of particles, e.g. by serigraphy (H01F41/18 take precedence)
- H01F 41/18 by cathode sputtering
- H01F 41/20 by evaporation
- H01F 41/22 Heat treatment; Thermal decomposition; Chemical vapour deposition
- H01F 41/24 from liquids
- H01F 41/30 for applying nanostructures, e.g. by molecular beam epitaxy [MBE]
Top Applicants
Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 37,897
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
- APPLIED MATERIALS US 21,640
- LG ENERGY SOLUTION KR 20,770
- LG CHEM KR 19,835
- TOKYO ELECTRON JP 18,519
- ROBERT BOSCH DE 14,595
- INTEL CORPORATION US 13,580
- MURATA MANUFACTURING COMPANY JP 12,151
- SAMSUNG SDI COMPANY KR 12,080