YL

Yuanqiang Li

LM Lightscape Materials: 7 patents #3 of 10Top 30%
Overall (All Time): #738,233 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9217105 Oxycarbonitride phosphors and light emitting devices using the same Michael Dennis Romanelli, Yongchi Tian 2015-12-22
9017574 Carbidonitride phosphors and LED lighting devices using the same Michael Dennis Romanelli, Yongchi Tian 2015-04-28
8801969 Carbonitride and carbidonitride phosphors and lighting devices using the same Alan C. Thomas, Yongchi Tian 2014-08-12
8771547 Oxycarbonitride phosphors and light emitting devices using the same Michael Dennis Romanelli, Yongchi Tian 2014-07-08
8551361 Oxycarbonitride phosphors and light emitting devices using the same Michael Dennis Romanelli, Yongchi Tian 2013-10-08
8535566 Silicon carbidonitride based phosphors and lighting devices using the same Michael Dennis Romanelli, Yongchi Tian 2013-09-17
8512599 Carbonitride based phosphors and light emitting devices using the same Yongchi Tian, Michael Dennis Romanelli 2013-08-20