DIFF Subgroup
H01G 11/32 Carbon-based
Introduced: January 2013
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
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
IPC defines codes here since 2013.
Child Classifications
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- H01G 11/34 characterised by carbonisation or activation of carbon since 2013 IPC+CPC Available in IPC and CPC
- H01G 11/36 Nanostructures, e.g. nanofibres, nanotubes or fullerenes since 2013 IPC+CPC Available in IPC and CPC
- H01G 11/38 Carbon pastes or blends; Binders or additives therein since 2013 IPC+CPC Available in IPC and CPC
- H01G 11/42 Powders or particles, e.g. composition thereof since 2013 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class H01,2013–2023, worldwide · Source: EPO PATSTAT
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
- SAMSUNG ELECTRONICS COMPANY KR 42,206
- LG CHEM KR 21,383
- APPLIED MATERIALS US 20,441
- LG ENERGY SOLUTION KR 20,279
- SAMSUNG DISPLAY KR 19,725
- CHINESE ACADEMY OF SCIENCES 19,400
- TOYOTA MOTOR CORPORATION 18,819
- SGCC(STATE GRID CORPORATION OF CHINA) 18,082
- TOKYO ELECTRON JP 17,634
Top Applicants (CPC)
Class H01,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 37,897
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
- APPLIED MATERIALS US 21,640
- LG ENERGY SOLUTION KR 20,770
- LG CHEM KR 19,835
- TOKYO ELECTRON JP 18,519
- ROBERT BOSCH DE 14,595
- INTEL CORPORATION US 13,580
- MURATA MANUFACTURING COMPANY JP 12,151
- SAMSUNG SDI COMPANY KR 12,080