Li; Youling
Patent Applications and Registrations
Patent applications and USPTO patent grants for Li; Youling.The latest application filed is for "circuits and methods for driving light sources".
- Li; Youling - Shenzen N/A CN
- Li; Youling - Shenzhen CN
| Patent | Date |
|---|---|
| Circuits and methods for driving LED light sources Grant 9,030,122 - Yan , et al. May 12, 2 | 2015-05-12 |
| Circuits and methods for driving light sources Grant 8,890,440 - Yan , et al. November 18, 2 | 2014-11-18 |
| Circuits and methods for driving light sources Grant 8,664,895 - Yan , et al. March 4, 2 | 2014-03-04 |
| Circuits And Methods For Driving Light Sources App 20130328498 - YAN; Tiesheng ; et al. | 2013-12-12 |
| Circuits And Methods For Driving Led Light Sources App 20130038227 - YAN; Tiesheng ; et al. | 2013-02-14 |
| Circuits and methods for driving light sources Grant 8,339,063 - Yan , et al. December 25, 2 | 2012-12-25 |
| Circuits And Methods For Driving Light Sources App 20120299502 - YAN; Tiesheng ; et al. | 2012-11-29 |
| Voltage sensing circuits and methods for inverters Grant 8,129,982 - Li , et al. March 6, 2 | 2012-03-06 |
| Circuits and methods for balancing current among multiple loads Grant 8,058,809 - Li , et al. November 15, 2 | 2011-11-15 |
| Circuit structure for LCD backlight Grant 8,054,001 - Wang , et al. November 8, 2 | 2011-11-08 |
| Driving circuits and controllers for controlling power to a load Grant 8,049,438 - Liu , et al. November 1, 2 | 2011-11-01 |
| Circuits And Methods For Driving Light Sources App 20110133662 - YAN; Tiesheng ; et al. | 2011-06-09 |
| Inverter controller and system App 20100039048 - Liu; Da ; et al. | 2010-02-18 |
| Voltage Sensing Circuits And Methods For Inverters App 20090256490 - Li; Youling ; et al. | 2009-10-15 |
| Circuits and methods for voltage sensing Grant 7,554,319 - Li , et al. June 30, 2 | 2009-06-30 |
| Circuits and methods for balancing current among multiple loads App 20090009097 - Li; Youling ; et al. | 2009-01-08 |
| Circuit structure for LCD backlight App 20080067944 - Wang; Xiaojun ; et al. | 2008-03-20 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 