Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
H02K 21/22

with magnets rotating around the armatures, e.g. flywheel magnetos

Full Title

Synchronous motors having permanent magnets; Synchronous generators having permanent magnets > with stationary armatures and rotating magnets > with magnets rotating around the armatures, e.g. flywheel magnetos

2 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

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