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Mikio Tajima
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Niiza-shi, JP
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last 30 patents
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Patent Grant
Light-emitting semiconductor device having a quantum well active la...
Patent number
7,176,480
Issue date
Feb 13, 2007
Sanken Electric Co., Ltd.
Koji Ohtsuka
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
Light-emitting semiconductor device having a quantum well active la...
Publication number
20050191778
Publication date
Sep 1, 2005
Sanken Electric Co., Ltd
Koji Ohtsuka
H01 - BASIC ELECTRIC ELEMENTS