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Tu-Chen, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Bearing structure
Patent number
6,942,388
Issue date
Sep 13, 2005
Hon Hai Precision Ind. Co., Ltd.
Chin-Hung Chang
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Bearing device for a motor having a bearing set including multiple...
Patent number
6,836,041
Issue date
Dec 28, 2004
Hon Hai Precision Ind. Co., Ltd.
Yu-Cheng Chou
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Brushless direct current fan
Patent number
6,707,199
Issue date
Mar 16, 2004
Hon Hai Precision Ind. Co., Ltd.
Chin-Hung Chang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Bearing device for motor
Publication number
20040007927
Publication date
Jan 15, 2004
Yu-Cheng Chou
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
BRUSHLESS DIRECT CURRENT FAN
Publication number
20030222522
Publication date
Dec 4, 2003
Chin-Hung Chang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Retaining device for shaft
Publication number
20030219304
Publication date
Nov 27, 2003
Chin-Hung Chang
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Bearing structure
Publication number
20030219179
Publication date
Nov 27, 2003
Chin-Hung Chang
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...