CPC Subgroup
H01F 21/06 by movement of core or part of core relative to the windings as a whole
Full Title
Variable inductances or transformers of the signal type (H01F36/00 takes precedence) > continuously variable, e.g. variometers > by movement of core or part of core relative to the windings as a whole
1 direct subcode
Child Classifications
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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