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IPC Subgroup
H02M 7/68

by static converters

Introduced: September 1968

Last revised: January 2006

Full Title

Conversion of AC power input into DC power output; Conversion of DC power input into AC power output > with possibility of reversal > by static converters

Classification Context

Section:
ELECTRICITY
Class:
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
Subclass:
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF

Filing statistics

IPC H02M 7/68 belongs to the parent subclass H02M, which recorded 261,349 patent applications worldwide between 2013 and 2023. Annual filings grew from 17,789 in 2013 to 29,685 in 2023 (+67%). The most active applicants in class H02 are SGCC(STATE GRID CORPORATION OF CHINA) (54,496 applications), MITSUBISHI ELECTRIC CORPORATION (10,495 applications) and TOYOTA MOTOR CORPORATION (9,464 applications).

Source: EPO PATSTAT, worldwide filings

4 direct subcodes

Child Classifications

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  • H02M 7/7 using discharge tubes without control electrode or semiconductor devices without control electrode
  • H02M 7/82 using open-spark devices, e.g. Marx rectifier
  • H02M 7/84 using electrolytic rectifiers

Top Applicants

Top 10 applicants by patent filingsfor 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