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DIFF Subgroup
H02J 7/04

Regulation of charging current or voltage

Introduced: September 1968

Title

Titles differ between systems:

IPC: Regulation of the charging current or voltage

CPC: Regulation of charging current or voltage

Full Title

Full titles differ between systems:

IPC:

Circuit arrangements for charging or discharging batteries or for supplying loads from batteries > for charging batteries from AC mains by converters > Regulation of the charging current or voltage

CPC:

Circuit arrangements for charging or discharging batteries or for supplying loads from batteries > for charging batteries from AC mains by converters > Regulation of charging current or voltage

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • H02J 7/12 using magnetic devices having controllable degree of saturation, i.e. transductors 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