H03K 19/02 using specified components (, H03K19/003 - H03K19/0175 take precedence)
Full Title
Logic circuits, i.e. having at least two inputs acting on one output (circuits for computer systems using fuzzy logic G06N7/02); Inverting circuits > using specified components (, H03K19/003 - H03K19/0175 take precedence)
Filing statistics
CPC H03K 19/02 belongs to the parent subclass H03K, which recorded 115,470 patent applications worldwide between 2013 and 2023. Annual filings grew from 7,771 in 2013 to 10,326 in 2023 (+33%), peaking at 12,309 applications in 2019. 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
11 direct subcodes
Child Classifications
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- H03K 19/04 using gas-filled tubes
- H03K 19/06 using vacuum tubes (using diode rectifiers H03K19/12)
- H03K 19/08 using semiconductor devices (H03K19/173 takes precedence; wherein the semiconductor devices are only diode rectifiers H03K19/12)
- H03K 19/12 using diode rectifiers
- H03K 19/14 using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled (optical logic elements G02F3/00)
- H03K 19/16 using saturable magnetic devices
- H03K 19/17 using twistors
- H03K 19/173 using elementary logic circuits as components
- H03K 19/18 using galvano-magnetic devices, e.g. Hall-effect devices
- H03K 19/185 using dielectric elements with variable dielectric constant, e.g. ferro-electric capacitors
- H03K 19/195 using superconductive devices
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