KT

Keiji Takaoka

KT Kabushiki Kaisha Toshiba: 2 patents #287 of 1,928Top 15%
Overall (2003): #56,873 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6661031 Resonant-cavity light-emitting diode and optical transmission module using the light-emitting diode 2003-12-09
6653660 Vertical cavity-type semiconductor light-emitting device and optical module using vertical cavity-type semiconductor light-emitting device 2003-11-25