CPC Main Group
H03C 3/00 Angle modulation (H03C5/00, H03C7/00 take precedence)
Filing statistics
CPC H03C 3/00 belongs to the parent subclass H03C, which recorded 1,541 patent applications worldwide between 2013 and 2023. Annual filings declined from 173 in 2013 to 95 in 2023 (-45%), peaking at 194 applications in 2015. The most active applicants in class H03 are SAMSUNG ELECTRONICS COMPANY (7,293 applications), QUALCOMM (7,085 applications) and MURATA MANUFACTURING COMPANY (5,982 applications).
Source: EPO PATSTAT, worldwide filings
8 direct subcodes
Child Classifications
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- H03C 3/02 Details
- H03C 3/10 by means of variable impedance (H03C3/30 - H03C3/38 take precedence)
- H03C 3/30 by means of transit-time tube
- H03C 3/34 by deflection of electron beam in discharge tube
- H03C 3/36 by means of light-sensitive element
- H03C 3/38 by converting amplitude modulation to angle modulation
- H03C 3/42 by means of electromechanical devices (H03C3/28 takes precedence)
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