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PCE
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CPC Subgroup
H02M 3/145

using devices of a triode or transistor type requiring continuous application of a control signal

Full Title

Conversion of DC power input into DC power output > without intermediate conversion into AC > by static converters > using discharge tubes with control electrode or semiconductor devices with control electrode (H02M3/07 takes precedence) > using devices of a triode or transistor type requiring continuous application of a control signal

2 direct subcodes

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class H02, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 24,515
  2. MITSUBISHI ELECTRIC CORPORATION JP 11,346
  3. SIEMENS DE 9,026
  4. ROBERT BOSCH DE 9,005
  5. SAMSUNG ELECTRONICS COMPANY KR 6,729
  6. GUANGDONG POWER GRID CORPORATION 5,740
  7. DENSO CORPORATION JP 5,077
  8. LG ELECTRONICS KR 5,041
  9. LG INNOTEK COMPANY KR 4,442
  10. TOYOTA MOTOR CORPORATION 4,349