CPC Subgroup
H02M 7/48 using discharge tubes with control electrode or semiconductor devices with control electrode
Full Title
Conversion of AC power input into DC power output; Conversion of DC power input into AC power output > Conversion of DC power input into AC power output without possibility of reversal > by static converters > using discharge tubes with control electrode or semiconductor devices with control electrode
11 direct subcodes
Child Classifications
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- H02M 7/483 Converters with outputs that each can have more than two voltages levels
- H02M 7/493 the static converters being arranged for operation in parallel
- H02M 7/497 sinusoidal output voltages being obtained by combination of several voltages being out of phase
- H02M 7/501 sinusoidal output voltages being obtained by the combination of several pulse-voltages having different amplitude and width
- H02M 7/505 using devices of a thyratron or thyristor type requiring extinguishing means
- H02M 7/53 using devices of a triode or transistor type requiring continuous application of a control signal
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