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PCE
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DIFF Subgroup
H02M 7/483

Converters with outputs that each can have more than two voltages levels

Introduced: January 2007

Title

Titles differ between systems:

IPC: Converters with outputs that each can have more than two voltage levels

CPC: Converters with outputs that each can have more than two voltages levels

Full Title

Full titles differ between systems:

IPC:

Conversion of AC power input into DC power output; Conversion of DC power input into AC power output > Conversion of DC power input into AC power output without possibility of reversal > by static converters > using discharge tubes with control electrode or semiconductor devices with control electrode > Converters with outputs that each can have more than two voltage levels

CPC:

Conversion of AC power input into DC power output; Conversion of DC power input into AC power output > Conversion of DC power input into AC power output without possibility of reversal > by static converters > using discharge tubes with control electrode or semiconductor devices with control electrode > Converters with outputs that each can have more than two voltages levels

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

IPC defines codes here since 2007.

Child Classifications

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  • H02M 7/4833 CPC only CPC only
  • H02M 7/4835 CPC only CPC only
  • H02M 7/4837 CPC only CPC only
  • H02M 7/487 Neutral point clamped inverters since 2007 IPC+CPC Available in IPC and CPC
  • H02M 7/49 Combination of the output voltage waveforms of a plurality of converters since 2007 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