TT

Tzong-Liang Tsai

LE Lextar Electronics: 27 patents #3 of 296Top 2%
HO Huga Optotech: 18 patents #1 of 42Top 3%
UC United Epitaxy Company: 10 patents #4 of 31Top 15%
EP Epistar: 7 patents #145 of 732Top 20%
Overall (All Time): #36,661 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 51–62 of 62 patents

Patent #TitleCo-InventorsDate
7067340 Flip-chip light emitting diode and fabricating method thereof Chih-Sung Chang, Tzer-Perng Chen 2006-06-27
7012281 Light emitting diode device and manufacturing method Chih-Sung Chang, Chih-Li Chiang, Tzer-Perng Chen 2006-03-14
6921924 Semiconductor light-emitting device Chih-Sung Chang, Tzer-Perng Chen 2005-07-26
6894323 Group III nitride semiconductor device and its method of manufacture Chih-Sung Chang 2005-05-17
6781160 Semiconductor light emitting device and method for manufacturing the same Chih-Sung Chang, Tzer-Perng Chen 2004-08-24
6774410 Epitaxial growth of nitride semiconductor device Chih-Sung Chang 2004-08-10
6544868 Method of manufacturing light emitting diode with low-receptivity p-type impurity layers formed by microwave treatment Chung-Ying CHANG 2003-04-08
6504183 Epitaxial growth of nitride semiconductor device Chih-Sung Chang 2003-01-07
6462357 Epitaxial growth of nitride compound semiconductor Chih-Sung Chang 2002-10-08
6441403 Semiconductor device with roughened surface increasing external quantum efficiency Chih-Sung Chang, Chung-Ying CHANG 2002-08-27
6429102 Method of manufacturing low resistivity p-type compound semiconductor material Chung-Ying CHANG 2002-08-06
6399408 Process for producing light emitting device Charng-Shyang Jong 2002-06-04