CPC Subgroup
H02M 3/335 using semiconductor devices only
Full Title
Conversion of DC power input into DC power output > with intermediate conversion into AC > by static converters > using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC > using devices of a triode or a transistor type requiring continuous application of a control signal > using semiconductor devices only
7 direct subcodes
Child Classifications
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- H02M 3/337 in push-pull configuration
- H02M 3/338 in a self-oscillating arrangement (H02M3/337 takes precedence)
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