Youling Li — 9 Patents at O2Micro

Youling Li has been granted 9 US patents while listed as an inventor at O2Micro. The first was granted in 2009 and the most recent in May 2015. Youling Li ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Youling Li in Nanhu, CN.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9030122	Circuits and methods for driving LED light sources	Tiesheng YAN, Feng-Yu Lin, Ching-Chuan Kuo	2015-05-12
8890440	Circuits and methods for driving light sources	Tiesheng YAN, Feng-Yu Lin, Xinhe Su, Ching-Chuan Kuo	2014-11-18
8664895	Circuits and methods for driving light sources	Tiesheng YAN, Feng-Yu Lin, Xinhe Su, Ching-Chuan Kuo	2014-03-04
8339063	Circuits and methods for driving light sources	Tiesheng YAN, Feng-Yu Lin, Xinhe Su, Ching-Chuan Kuo	2012-12-25
8129982	Voltage sensing circuits and methods for inverters	Yingpeng Hu, Xiaojun Wang	2012-03-06	$1,490,000
8058809	Circuits and methods for balancing current among multiple loads	Sheng Tai Lee, Yingpeng Hu	2011-11-15
8054001	Circuit structure for LCD backlight	Xiaojun Wang, Sheng Tai Lee, Da Liu, Ru-Yang Guo	2011-11-08
8049438	Driving circuits and controllers for controlling power to a load	Da Liu, ShengTai Lee	2011-11-01
7554319	Circuits and methods for voltage sensing	Yingpeng Hu, Xiaojun Wang	2009-06-30

Youling Li — 9 Patents

Issued Patents All Time

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