CPC Subgroup
H02P 21/24 Vector control not involving the use of rotor position or rotor speed sensors
Full Title
Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation > Vector control not involving the use of rotor position or rotor speed sensors
3 direct subcodes
Child Classifications
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- H02P 21/26 Rotor flux based control
- H02P 21/28 Stator flux based control
- H02P 21/32 Determining the initial rotor position (H02P21/34 takes precedence)
Top Applicants
Top 10 applicants by patent filingsfor class H02, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 24,515
- MITSUBISHI ELECTRIC CORPORATION JP 11,346
- SIEMENS DE 9,026
- ROBERT BOSCH DE 9,005
- SAMSUNG ELECTRONICS COMPANY KR 6,729
- GUANGDONG POWER GRID CORPORATION 5,740
- DENSO CORPORATION JP 5,077
- LG ELECTRONICS KR 5,041
- LG INNOTEK COMPANY KR 4,442
- TOYOTA MOTOR CORPORATION 4,349