Jian-Li Chang

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Gueishan, TW

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing light guide plate of keypad
- Patent number 7,976,741
- Issue date Jul 12, 2011
- Ichia Technologies, Inc.
- Chih-Ho Hsu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING LIGHT GUIDE PLATE OF KEYPAD
- Publication number 20110260346
- Publication date Oct 27, 2011
- CHIH-HO HSU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method Of Manufacturing Light Guide Plate Of Keypad
- Publication number 20080193676
- Publication date Aug 14, 2008
- Chih-Ho Hsu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL