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CPC Subgroup
H01M 10/24

Alkaline accumulators

Full Title

Secondary cells; Manufacture thereof > Alkaline accumulators

Filing statistics

CPC H01M 10/24 belongs to the parent subclass H01M, which recorded 641,865 patent applications worldwide between 2013 and 2023. Annual filings grew from 33,251 in 2013 to 96,378 in 2023 (+190%). The most active applicants in class H01 are SAMSUNG ELECTRONICS COMPANY (37,897 applications), TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY (36,116 applications) and APPLIED MATERIALS (21,640 applications).

Source: EPO PATSTAT, worldwide filings

4 direct subcodes

Child Classifications

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  • H01M 10/26 Selection of materials as electrolytes
  • H01M 10/30 Nickel accumulators (H01M10/34 takes precedence)
  • H01M 10/32 Silver accumulators (H01M10/34 takes precedence)

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