CPC Subgroup
H03H 7/06 including resistors (H03H7/075, H03H7/09, H03H7/12, H03H7/13 take precedence)
Full Title
Multiple-port networks comprising only passive electrical elements as network components > Frequency selective two-port networks > including resistors (H03H7/075, H03H7/09, H03H7/12, H03H7/13 take precedence)
2 direct subcodes
Child Classifications
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- H03H 7/065 Parallel T-filters
- H03H 7/07 Bridged T-filters
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