CPC Main Group Additional Only
H03H 2210/00 Indexing scheme relating to details of tunable filters
4 direct subcodes
Child Classifications
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- H03H 2210/01 Tuned parameter of filter characteristics
- H03H 2210/02 Variable filter component
- H03H 2210/03 Type of tuning
- H03H 2210/04 Filter calibration method
Top Applicants
Top 10 applicants by patent filingsfor class H03, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 7,293
- QUALCOMM US 7,085
- MURATA MANUFACTURING COMPANY JP 5,982
- HUAWEI TECHNOLOGIES COMPANY CN 4,641
- INTEL CORPORATION US 3,863
- TEXAS INSTRUMENTS US 3,409
- MURATA MANUFACTURING COMPANY 2,874
- SK HYNIX KR 2,644
- SKYWORKS SOLUTIONS US 2,545
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,437