Pat On KWOK

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Inventor Addresses

AddressDuration
Chai Wan, CNMar 21, 19 - Mar 21, 19
Chai Wan, HKFeb 04, 21 - Feb 06, 25
Hong Kong, CNNov 24, 20 - Nov 24, 20

Technology Profile

Technology Matters
B25F: COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR 3
H01H: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 3
H02P: CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 3

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
2025/0047,2232025BRUSHLESS DC MOTOR CONTROL UNIT0
2021/0036,6372021BRUSHLESS DC MOTOR CONTROL UNIT0
108480842020Brushless DC motor control unit0
2019/0089,2772019BRUSHLESS DC MOTOR CONTROL UNIT0

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