Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Main Group
H01G 11/00

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

Filing statistics

CPC H01G 11/00 belongs to the parent subclass H01G, which recorded 84,475 patent applications worldwide between 2013 and 2023. Annual filings grew from 6,481 in 2013 to 7,606 in 2023 (+17%), peaking at 8,803 applications in 2018. 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

12 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • H01G 11/02 using combined reduction-oxidation reactions, e.g. redox arrangement or solion
  • H01G 11/08 Structural combinations, e.g. assembly or connection, of hybrid or EDL capacitors with other electric components, at least one hybrid or EDL capacitor being the main component
  • H01G 11/52 Separators

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