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Nobuyuki Otsuka

Sumitomo Electric Industries: 2 patents #687 of 3,885Top 20%
📍 Kasai, JP: #96 of 617 inventorsTop 20%
Overall (2003): #49,622 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6653662 Semiconductor light-emitting device, method for fabricating the same, and method for driving the same Yoshiaki Hasegawa, Gaku Sugahara, Yasutoshi Kawaguchi 2003-11-25
6586774 Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor device Akihiko Ishibashi, Ayumu Tsujimura, Yoshiaki Hasegawa, Gaku Sugahara, Ryoko Miyanaga +4 more 2003-07-01