TS

Tetsuo Sekiwa

KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
Overall (All Time): #2,288,073 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5432359 Light emitting device with AlAs mixed crystal ratios Junichi Fujiki 1995-07-11
5172195 Double heterostructure GaAlAs 610-640 nm LED — 1992-12-15