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LI YI-QUN

Overview
  • Total Patents
    31
About

LI YI-QUN has a total of 31 patent applications. Its first patent ever was published in 2007. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, semiconductors and basic materials chemistry are INTEMATIX CORP, LUMINATION LLC and LED LIGHTING FIXTURES INC.

Patent filings in countries

World map showing LI YI-QUNs patent filings in countries
# Country Total Patents
#1 United States 31

Patent filings per year

Chart showing LI YI-QUNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Yi-Qun 31
#2 Dong Yi 9
#3 Edwards Charles 4
#4 Caruso James 4
#5 Yang Haitao 2
#6 Wang Gang 2
#7 Xu Xiaofeng 2
#8 Yang Chienli Jeff 1
#9 Xie Yuming 1
#10 Su Hwa Harik 1

Latest patents

Publication Filing date Title
US2012262903A1 LED-based light sources for light emitting devices and lighting arrangements with photoluminescence wavelength conversion
US2013020930A1 Yellow-green to yellow-emitting phosphors based on halogenated-aluminates
US2012287381A1 Photoluminescence color display comprising quantum dots material and a wavelength selective filter that allows passage of excitation radiation and prevents passage of light generated by photoluminescence materials
US2013092964A1 Highly reliable photoluminescent materials having a thick and uniform titanium dioxide coating
US2012140435A1 Light emitting device utilizing remote wavelength conversion with improved color characteristics
US2012043503A1 Europium-activated, beta-SiAlON based green phosphors
US2012018768A1 Led-based light emitting devices
US2012155076A1 Led-based light emitting systems and devices
US2012147624A1 LED-based lamps
US2010164346A1 Light emitting device with phosphor wavelength conversion
US2010102250A1 Phosphor based authentication system
US2009224652A1 Multiple-chip excitation systems for white light emitting diodes (LEDs)
US2009262516A1 Light emitting device with phosphor wavelength conversion
US2009134414A1 Methods of producing light emitting device with phosphor wavelength conversion
US2010060130A1 Light emitting diode (LED) lighting device
US2008252197A1 Color temperature tunable white light source