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Shiu-Ming CHANG
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Kaohsiung City, TW
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Patents Grants
last 30 patents
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Patent Grant
Direct-current motor control device
Patent number
9,819,291
Issue date
Nov 14, 2017
Quan Mei Technology Co., Ltd.
Shiu-Ming Chang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
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Patent Application
DIRECT-CURRENT MOTOR CONTROL DEVICE
Publication number
20170040917
Publication date
Feb 9, 2017
QUAN MEI TECHNOLOGY CO., LTD.
Shiu-Ming CHANG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER