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CPC Subgroup
H01G 11/32

Carbon-based

Full Title

Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof > Electrodes > characterised by their material > Carbon-based

6 direct subcodes

Child Classifications

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  • H01G 11/34 characterised by carbonisation or activation of carbon
  • H01G 11/36 Nanostructures, e.g. nanofibres, nanotubes or fullerenes
  • H01G 11/38 Carbon pastes or blends; Binders or additives therein
  • H01G 11/40 Fibres
  • H01G 11/42 Powders or particles, e.g. composition thereof
  • H01G 11/44 Raw materials therefor, e.g. resins or coal

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