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Tu Cheng, TW
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Patents Grants
last 30 patents
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Patent Grant
Lever-type mold ejection mechanism of injection molding machine
Patent number
8,721,323
Issue date
May 13, 2014
Techwin Opto-Electronics Co., Ltd.
Tsung-Huang Chen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
LED leadframe
Patent number
D531141
Issue date
Oct 31, 2006
Techwin Opto-Electronics Co., Ltd.
Jing-Wen Tzeng
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
LED leadframe
Patent number
D530684
Issue date
Oct 24, 2006
Techwin Opto-Electronics Co., Ltd.
Jing-Wen Tzeng
D13 - Equipment for production, distribution, or transformation of energy
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Patents Applications
last 30 patents
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Patent Application
LEVER-TYPE MOLD EJECTION MECHANISM OF INJECTION MOLDING MACHINE
Publication number
20140030374
Publication date
Jan 30, 2014
TECHWIN OPTO-ELECTRONICS CO., LTD.
Tsung-Huang CHEN
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
LED LEAD FRAME STRUCTURE AND METHOD OF MANUFACTURING LED LEAD FRAME
Publication number
20140021592
Publication date
Jan 23, 2014
TECHWIN OPTO-ELECTRONICS CO., LTD.
Chih-Lin CHI
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
MOLD FOR AN LED LAMPSHADE
Publication number
20070196533
Publication date
Aug 23, 2007
TECHWIN OPTO-ELECTRONICS CO., LTD.
Y-Ju Chen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL