IPC Subgroup
H01B 3/3 plastics; resins; waxes
Introduced: September 1968
Last revised: January 2006
Full Title
Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties > mainly consisting of organic substances > plastics; resins; waxes
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
9 direct subcodes
Child Classifications
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- H01B 3/32 natural resins
- H01B 3/34 waxes
- H01B 3/36 condensation products of phenols with aldehydes or ketones
- H01B 3/38 condensation products of aldehydes with amines or amides
- H01B 3/4 epoxy resins
- H01B 3/42 polyesters; polyethers; polyacetals
- H01B 3/44 vinyl resins; acrylic resins
- H01B 3/46 silicones
- H01B 3/47 fibre-reinforced plastics, e.g. glass-reinforced plastics
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