Chang; Zen-Shan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Zen-Shan.The latest application filed is for "double-output high-efficiency led light-modulating circuit".
- Chang; Zen-Shan - Taoyuan TW
- Chang; Zen-Shan - Longtan Township TW
- Chang; Zen-Shan - Taoyuan County TW
| Patent | Date |
|---|---|
| Double-output half-bridge LLC serial resonant converter Grant 8,929,109 - Chang , et al. January 6, 2 | 2015-01-06 |
| Double-output high-efficiency LED light-modulating circuit Grant 8,786,215 - Jen , et al. July 22, 2 | 2014-07-22 |
| Double-Output High-Efficiency LED Light-Modulating Circuit App 20140167649 - Jen; Kuo-Kuang ; et al. | 2014-06-19 |
| Double-Output Half-Bridge LLC Serial Resonant Converter App 20140153293 - Chang; Zen-Shan ; et al. | 2014-06-05 |
| Converter-based Power Supply System for Reducing a Contract Capacity App 20130154368 - Chang; Zen-Shan ; et al. | 2013-06-20 |
| Asynchronous Sigma-Delta Modulation Controller App 20120155140 - Chen; Yaow-Ming ; et al. | 2012-06-21 |
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