CPC Subgroup
H03B 7/14 active element being semiconductor device
Full Title
Generation of oscillations using active element having a negative resistance between two of its electrodes (H03B9/00 takes precedence) > with frequency-determining element comprising distributed inductance and capacitance > active element being semiconductor device
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
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