CPC Subgroup
H02M 3/07 using capacitors charged and discharged alternately by semiconductor devices with control electrode
Full Title
Conversion of DC power input into DC power output > without intermediate conversion into AC > by static converters > using resistors or capacitors, e.g. potential divider > using capacitors charged and discharged alternately by semiconductor devices with control electrode
3 direct subcodes
Child Classifications
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Top Applicants
Top 10 applicants by patent filingsfor class H02, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 24,515
- MITSUBISHI ELECTRIC CORPORATION JP 11,346
- SIEMENS DE 9,026
- ROBERT BOSCH DE 9,005
- SAMSUNG ELECTRONICS COMPANY KR 6,729
- GUANGDONG POWER GRID CORPORATION 5,740
- DENSO CORPORATION JP 5,077
- LG ELECTRONICS KR 5,041
- LG INNOTEK COMPANY KR 4,442
- TOYOTA MOTOR CORPORATION 4,349