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
Filing statistics
CPC H02M 7/48 belongs to the parent subclass H02M, which recorded 196,111 patent applications worldwide between 2013 and 2023. Annual filings grew from 11,818 in 2013 to 21,110 in 2023 (+79%), peaking at 21,349 applications in 2022. The most active applicants in class H02 are SGCC(STATE GRID CORPORATION OF CHINA) (24,515 applications), MITSUBISHI ELECTRIC CORPORATION (11,346 applications) and SIEMENS (9,026 applications).
Source: EPO PATSTAT, worldwide filings
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