CPC Main Group
H03H 7/00 Multiple-port networks comprising only passive electrical elements as network components
13 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H03H 7/01 Frequency selective two-port networks
- H03H 7/18 Networks for phase shifting
- H03H 7/24 Frequency- independent attenuators
- H03H 7/30 Time-delay networks
- H03H 7/38 Impedance-matching networks
- H03H 7/42 Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
- H03H 7/46 Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H 7/48 Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (phase shifters providing two or more output signals H03H7/21)
- H03H 7/52 One-way transmission networks, i.e. unilines
- H03H 7/54 Modifications of networks to reduce influence of variations of temperature
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