CPC Subgroup
H01M 8/12 operating at high temperature, e.g. with stabilised ZrO2 electrolyte
Full Title
Fuel cells; Manufacture thereof > Fuel cells with solid electrolytes > operating at high temperature, e.g. with stabilised ZrO2 electrolyte
Filing statistics
CPC H01M 8/12 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
7 direct subcodes
Child Classifications
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- H01M 8/1213 characterised by the electrode/electrolyte combination or the supporting material
- H01M 8/1231 with both reactants being gaseous or vaporised
- H01M 8/1233 with one of the reactants being liquid, solid or liquid-charged
- H01M 8/124 characterised by the process of manufacturing or by the material of the electrolyte
- H01M 8/1286 Fuel cells applied on a support, e.g. miniature fuel cells deposited on silica supports
Top Applicants
Top 10 applicants by patent filingsfor 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