IPC Subgroup
H02K 1/27 Rotor cores with permanent magnets
Introduced: January 1990
Last revised: January 2022
Full Title
Details of the magnetic circuit > characterised by the shape, form or construction > Rotating parts of the magnetic circuit > Rotor cores with permanent magnets
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- DYNAMO-ELECTRIC MACHINES
3 direct subcodes
Child Classifications
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- H02K 1/2706 Inner rotors
- H02K 1/2786 Outer rotors
- H02K 1/2793 Rotors axially facing stators
Top Applicants
Top 10 applicants by patent filingsfor class H02, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 54,496
- MITSUBISHI ELECTRIC CORPORATION JP 10,495
- TOYOTA MOTOR CORPORATION 9,464
- GUANGDONG POWER GRID CORPORATION 9,339
- ROBERT BOSCH DE 8,226
- SIEMENS DE 8,218
- DENSO CORPORATION 7,063
- MITSUBISHI ELECTRIC CORPORATION 6,619
- SAMSUNG ELECTRONICS COMPANY KR 5,826
- GREE ELECTRIC APPLIANCES 5,094