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Patent applications and USPTO patent grants for Chang; Jian-Li.The latest application filed is for "method of manufacturing light guide plate of keypad".
Patent | Date |
---|---|
Method for manufacturing key-pad having three-dimensional patterns Grant 8,048,356 - Chang November 1, 2 | 2011-11-01 |
Method Of Manufacturing Light Guide Plate Of Keypad App 20110260346 - HSU; CHIH-HO ;   et al. | 2011-10-27 |
Method of manufacturing light guide plate of keypad Grant 7,976,741 - Hsu , et al. July 12, 2 | 2011-07-12 |
Keypad assembly having three-dimensional patterns Grant 7,663,071 - Chang February 16, 2 | 2010-02-16 |
Method For Manufacturing Keypad Having Three-dimensional Patterns App 20090189316 - CHANG; Jian-Li | 2009-07-30 |
Keypad Having Three-dimensional Patterns And Method For Manufacturing The Same App 20090190990 - Chang; Jian-Li | 2009-07-30 |
Keypad Assembly Having Three-dimensional Patterns App 20090183976 - Chang; Jian-Li | 2009-07-23 |
Method Of Manufacturing Light Guide Plate Of Keypad App 20080193676 - Hsu; Chih-Ho ;   et al. | 2008-08-14 |
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