Chang; Yu-Pei
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Yu-Pei.The latest application filed is for "beautifying method for quick response code and apparatus thereof".
- Chang; Yu-Pei - Tainan TW
- Chang; Yu-Pei - Taipei TW
- Chang; Yu-Pei - Taipei City TW
- Chang; Yu-Pei - Tainan City TW
- Chang; Yu Pei - Taichung TW
| Patent | Date |
|---|---|
| Patterned conductive film, method of fabricating the same, and application thereof Grant 9,253,890 - Chang , et al. February 2, 2 | 2016-02-02 |
| Beautifying method for quick response code and apparatus thereof Grant 9,098,784 - Wu , et al. August 4, 2 | 2015-08-04 |
| Beautifying Method For Quick Response Code And Apparatus Thereof App 20150199600 - Wu; Ja-Ling ; et al. | 2015-07-16 |
| Patterned Conductive Film, Method Of Fabricating The Same, And Application Thereof App 20150047885 - Chang; Yu-Pei ; et al. | 2015-02-19 |
| Display device Grant 8,736,800 - Chang , et al. May 27, 2 | 2014-05-27 |
| Display Device App 20120327350 - Chang; Yu-Pei ; et al. | 2012-12-27 |
| Color cholesteric liquid crystal display devices and driving methods thereof Grant 8,243,012 - Lee , et al. August 14, 2 | 2012-08-14 |
| Ball return device for ball screw device App 20110303036 - Chen; Yan Yu ; et al. | 2011-12-15 |
| Ball return device for ball screw device App 20100170359 - Chen; Yan-Yu ; et al. | 2010-07-08 |
| Preload structure for a ball screw Grant 7,578,214 - Chen , et al. August 25, 2 | 2009-08-25 |
| Preload Structure for a Ball Screw App 20080295630 - CHEN; Yan-Yu ; et al. | 2008-12-04 |
| Color Cholesteric Liquid Crystal Display Devices And Driving Methods Thereof App 20080266278 - Lee; Da-Wei ; et al. | 2008-10-30 |
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