IPC Subgroup
H01M 8/1069 characterised by the manufacturing processes
Introduced: January 2016
Full Title
Fuel cells; Manufacture thereof > Fuel cells with solid electrolytes > characterised by the electrolyte material > Polymeric electrolyte materials > characterised by the manufacturing processes
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
3 direct subcodes
Child Classifications
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- H01M 8/1072 by chemical reactions, e.g. polymerisation or crosslinking
- H01M 8/1081 starting from solutions, dispersions or slurries exclusively of polymers
- H01M 8/1086 After-treatment of the membrane other than by polymerisation
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