Cheng; Ying Chang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheng; Ying Chang.The latest application filed is for "the sanitization mechanism of the toilet seat".
- Cheng; Ying Chang - Surrey CA
- Cheng; Ying-Chang - Taipei Hsien TW
| Patent | Date |
|---|---|
| The sanitization mechanism of the toilet seat App 20140115764 - Cheng; Ying Chang ; et al. | 2014-05-01 |
| Electric arc isolation structure for transformers Grant 7,974,065 - Cheng July 5, 2 | 2011-07-05 |
| LED driver structure Grant 7,786,676 - Cheng , et al. August 31, 2 | 2010-08-31 |
| Inverter control circuit Grant 7,747,891 - Cheng , et al. June 29, 2 | 2010-06-29 |
| Light emitting diode driving circuit Grant 7,719,202 - Cheng , et al. May 18, 2 | 2010-05-18 |
| Arc-discharge detection device Grant 7,688,556 - Cheng , et al. March 30, 2 | 2010-03-30 |
| Method for dimming multiple lamps Grant 7,633,244 - Cheng December 15, 2 | 2009-12-15 |
| Led Driver Structure App 20090261740 - Cheng; Ying-Chang ; et al. | 2009-10-22 |
| Inverter for boosting rotational image displaying gain Grant 7,598,940 - Chou , et al. October 6, 2 | 2009-10-06 |
| Inverter control circuit with a resonant frequency modulation function Grant 7,558,086 - Cheng July 7, 2 | 2009-07-07 |
| Driving circuit for piezoelectric lamps Grant 7,545,105 - Cheng , et al. June 9, 2 | 2009-06-09 |
| Electric arc isolation structure for transformers App 20090107698 - Cheng; Ying-Chang | 2009-04-30 |
| Method for dimming multiple lamps App 20090072759 - Cheng; Ying-Chang | 2009-03-19 |
| Driving circuit for piezoelectric lamps App 20090045755 - Cheng; Ying-Chang ; et al. | 2009-02-19 |
| Backlight module actuation method Grant 7,489,085 - Chou , et al. February 10, 2 | 2009-02-10 |
| Method for driving alternate current of light emitting diode and operating voltage thereof App 20080258643 - CHENG; Ying-Chang ; et al. | 2008-10-23 |
| Driving circuit for hot cathode fluorescent lamps Grant 7,436,128 - Cheng , et al. October 14, 2 | 2008-10-14 |
| Arc-discharge detection device App 20080225444 - Cheng; Ying-Chang ; et al. | 2008-09-18 |
| Arc-discharge protection device with temperature detection mode App 20080225445 - Cheng; Ying-Chang ; et al. | 2008-09-18 |
| Backup architecture for backlight module App 20080122366 - Cheng; Ying-Chang ; et al. | 2008-05-29 |
| Driving circuit for hot cathode fluorescent lamps App 20080106214 - Cheng; Ying-Chang ; et al. | 2008-05-08 |
| Inverter control circuit App 20080109666 - Cheng; Ying-Chang ; et al. | 2008-05-08 |
| Light emitting diode driving circuit App 20080093999 - Cheng; Ying-Chang ; et al. | 2008-04-24 |
| Inverter control circuit with a resonant frequence modulation function App 20080002440 - Cheng; Ying-Chang | 2008-01-03 |
| Control method for pre-warning an aging electric discharge lamp App 20070281571 - Cheng; Ying-Chang | 2007-12-06 |
| Driver protection circuit for a push-pull type discharge lamp Grant 7,271,551 - Cheng September 18, 2 | 2007-09-18 |
| Inverter for boosting rotational image displaying gain App 20070164977 - Chou; Chin-Wen ; et al. | 2007-07-19 |
| Backlight module actuation method App 20070145906 - Chou; Chin-Wen ; et al. | 2007-06-28 |
| Piezoelectric ignition circuit for lighting fixtures App 20070103090 - Cheng; Ying-Nan ; et al. | 2007-05-10 |
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