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DIFF 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

Introduced: January 2013

Additional Content IPC

Glossary

electrochemical storage device electrochemical storage devices means a battery, accumulator or capacitor collector collectors means a conductive component in intimate contact with an electrode material in an hybrid or EDL capacitor electrolyte electrolytes refers to a ionic-conducting liquid or solid ensuring electric conduction between electrode active parts or electric double layers, inside hybrid or EDL capacitors

Limiting references

Capacitive deionisation for electrochemical separation Measuring capacitance or electric characteristics derived therefrom Conversion of DC power input into DC power output using capacitors , Conversion of AC power input into AC power output using capacitors

IPC and CPC are identically structured here. All 12 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2013.

Child Classifications

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  • H01G 11/02 using combined reduction-oxidation reactions, e.g. redox arrangement or solion since 2013 IPC+CPC Available in IPC and CPC
  • 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 since 2013 IPC+CPC Available in IPC and CPC
  • H01G 11/52 Separators since 2013 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H01,2013–2023, worldwide · Source: EPO PATSTAT

  1. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
  2. SAMSUNG ELECTRONICS COMPANY KR 42,206
  3. LG CHEM KR 21,383
  4. APPLIED MATERIALS US 20,441
  5. LG ENERGY SOLUTION KR 20,279
  6. SAMSUNG DISPLAY KR 19,725
  7. CHINESE ACADEMY OF SCIENCES 19,400
  8. TOYOTA MOTOR CORPORATION 18,819
  9. SGCC(STATE GRID CORPORATION OF CHINA) 18,082
  10. TOKYO ELECTRON JP 17,634

Top Applicants (CPC)

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