IPC Subgroup
H01M 8/0204 Non-porous and characterised by the material
Introduced: January 2016
Full Title
Fuel cells; Manufacture thereof > Details > Collectors; Separators, e.g. bipolar separators; Interconnectors > Non-porous and characterised by the material
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
5 direct subcodes
Child Classifications
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- H01M 8/0206 Metals or alloys
- H01M 8/0213 Gas-impermeable carbon-containing materials
- H01M 8/0215 Glass; Ceramic materials
- H01M 8/0221 Organic resins; Organic polymers
- H01M 8/0223 Composites
Top Applicants
Top 10 applicants by patent filingsfor 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