TY

Tatsuo Yokotsuka

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Overall (All Time): #1,295,820 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5222074 Thermal decomposition cell Kiyoshi Uchiyama, Tomoko Suzuki, Akira Takamori, Masato Nakajima 1993-06-22
5190891 Method for fabricating a semiconductor laser device in which the P-type clad layer and the active layer are grown at different rates Akira Takamori, Masato Nakajima, Tomoko Suzuki 1993-03-02
5164950 Semiconductor laser device comprising a SiGe single crystal substrate Masato Nakajima 1992-11-17
5124995 Semiconductor light-emitting device Akira Takamori 1992-06-23