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DIFF Main Group
H02K 1/00

Details of the magnetic circuit (magnetic circuits for relays H01H50/16)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Details of the magnetic circuit

CPC: Details of the magnetic circuit (magnetic circuits for relays H01H50/16)

Full Title

Full titles differ between systems:

IPC:

Details of the magnetic circuit

CPC:

Details of the magnetic circuit (magnetic circuits for relays H01H50/16)

Additional Content IPC

Magnetic circuits for transformers for power supply Magnetic circuits for relays

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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  • H02K 1/02 characterised by the magnetic material IPC+CPC Available in IPC and CPC
  • H02K 1/04 characterised by the material used for insulating the magnetic circuit or parts thereof IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H02,2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 54,496
  2. MITSUBISHI ELECTRIC CORPORATION JP 10,495
  3. TOYOTA MOTOR CORPORATION 9,464
  4. GUANGDONG POWER GRID CORPORATION 9,339
  5. ROBERT BOSCH DE 8,226
  6. SIEMENS DE 8,218
  7. DENSO CORPORATION 7,063
  8. MITSUBISHI ELECTRIC CORPORATION 6,619
  9. SAMSUNG ELECTRONICS COMPANY KR 5,826
  10. GREE ELECTRIC APPLIANCES 5,094

Top Applicants (CPC)

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