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PCE
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CPC Subgroup
H02K 19/20

with variable-reluctance soft-iron rotors without winding

Full Title

Synchronous motors or generators (having permanent magnets H02K21/00) > Synchronous generators > having windings each turn of which co-operates only with poles of one polarity, e.g. homopolar generators > with variable-reluctance soft-iron rotors without winding

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