CPC Subgroup
H03H 11/16 Networks for phase shifting
Full Title
Networks using active elements > Multiple-port networks > Networks for phase shifting
3 direct subcodes
Child Classifications
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- H03H 11/18 Two-port phase shifters providing a predetermined phase shift, e.g. "all-pass" filters
- H03H 11/20 Two-port phase shifters providing an adjustable phase shift
- H03H 11/22 providing two or more phase shifted output signals, e.g. n-phase output
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