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Yuk Tung LO
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Hong Kong, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Electronic device having delay circuit for synchronous starting of...
Patent number
10,256,750
Issue date
Apr 9, 2019
JOHNSON ELECTRIC INTERNATIONAL AG
Hai Bo Ma
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power tool and motor drive circuit thereof
Patent number
9,819,290
Issue date
Nov 14, 2017
Johnson Electric S.A.
Hai Bo Ma
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Patents Applications
last 30 patents
Information
Patent Application
POWER TOOL AND MOTOR DRIVE SYSTEM THEREOF
Publication number
20170288584
Publication date
Oct 5, 2017
JOHNSON ELECTRIC S.A.
Hai Bo MA
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
POWER TOOL AND MOTOR DRIVE SYSTEM THEREOF
Publication number
20170288580
Publication date
Oct 5, 2017
JOHNSON ELECTRIC S.A.
Hai Bo MA
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
POWER TOOL AND MOTOR DRIVE SYSTEM THEREOF
Publication number
20170288583
Publication date
Oct 5, 2017
JOHNSON ELECTRIC S.A.
Hai Bo MA
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
MOTOR CONTROL SYSTEM, CONTROL METHOD AND VACUUM CLEANER
Publication number
20170163183
Publication date
Jun 8, 2017
JOHNSON ELECTRIC S.A.
Yong Sheng GAO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MOTOR CONTROL SYSTEM, CONTROL METHOD AND VACUUM CLEANER
Publication number
20170163184
Publication date
Jun 8, 2017
JOHNSON ELECTRIC S.A.
Hai Bo MA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Hair Dryer
Publication number
20170099929
Publication date
Apr 13, 2017
JOHNSON ELECTRIC S.A.
Hai Bo MA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Air flow regulating device
Publication number
20170101996
Publication date
Apr 13, 2017
JOHNSON ELECTRIC S.A.
Qiang ZHOU
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Electronic device and circuit
Publication number
20170104427
Publication date
Apr 13, 2017
JOHNSON ELECTRIC S.A.
Hai Bo MA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Power Tool
Publication number
20170099025
Publication date
Apr 6, 2017
JOHNSON ELECTRIC S.A.
Hai Bo MA
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
ELECTRIC TOOL AND MOTOR DRIVE SYSTEM
Publication number
20170093308
Publication date
Mar 30, 2017
JOHNSON ELECTRIC S.A.
Yuk Tung LO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Power Tool And Motor Drive Circuit Thereof
Publication number
20170077851
Publication date
Mar 16, 2017
JOHNSON ELECTRIC S.A.
Hai Bo MA
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS