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PCE
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CPC Subgroup
H01M 8/1011

Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]

Full Title

Fuel cells; Manufacture thereof > Fuel cells with solid electrolytes > with one of the reactants being liquid, solid or liquid-charged (H01M8/12 takes precedence) > Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]

1 direct subcode

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 37,897
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
  3. APPLIED MATERIALS US 21,640
  4. LG ENERGY SOLUTION KR 20,770
  5. LG CHEM KR 19,835
  6. TOKYO ELECTRON JP 18,519
  7. ROBERT BOSCH DE 14,595
  8. INTEL CORPORATION US 13,580
  9. MURATA MANUFACTURING COMPANY JP 12,151
  10. SAMSUNG SDI COMPANY KR 12,080