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Jih Chun Wu
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Taichung, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Clutch for torque-exerting device
Patent number
9,016,175
Issue date
Apr 28, 2015
Matatakitoyo Tool Co., Ltd.
Jih Chun Wu
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Isolative torque-exerting apparatus
Patent number
8,746,114
Issue date
Jun 10, 2014
Matatakitoyo Tool Co., Ltd.
Jih Chun Wu
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Isolative torque-exerting apparatus
Patent number
8,408,103
Issue date
Apr 2, 2013
Matatakitoyo Tool Co., Ltd.
Jih Chun Wu
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Wrench equipped with a precise torque-measuring device
Patent number
8,371,194
Issue date
Feb 12, 2013
Matatakitoyo Tool Co., Ltd.
Yi-Min Wu
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Torque wrench whose torque values can be adjusted easily and quickly
Patent number
7,765,900
Issue date
Aug 3, 2010
Jih Chun Wu
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Patents Applications
last 30 patents
Information
Patent Application
Clutch for Torque-Exerting Device
Publication number
20140060270
Publication date
Mar 6, 2014
Jih Chun WU
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Robust Torque-Indicating Wrench
Publication number
20140047957
Publication date
Feb 20, 2014
Jih Chun WU
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Isolative Torque-Exerting Apparatus
Publication number
20130333529
Publication date
Dec 19, 2013
Jih Chun WU
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Isolative Torque-Exerting Apparatus for Easy Maintenance
Publication number
20120111160
Publication date
May 10, 2012
Jih Chun WU
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Isolative Torque-Exerting Apparatus
Publication number
20120111159
Publication date
May 10, 2012
Jih Chun WU
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Wrench Equipped with a Precise Torque-Measuring Device
Publication number
20120048073
Publication date
Mar 1, 2012
Yi-Min WU
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
TORQUE WRENCH WHOSE TORQUE VALUES CAN BE ADJUSTED EASILY AND QUICKLY
Publication number
20090320654
Publication date
Dec 31, 2009
Jih Chun Wu
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS