Zaidan Hojim Handotai Kenkyu Shinkokai

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Sendai, JP

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Patents Grantslast 30 patents

Information Patent Grant
ZnSe green light emitting diode
- Patent number 4,725,563
- Issue date Feb 16, 1988
- Zaidan Hojim Handotai Kenkyu Shinkokai
- Jun-ichi Nishizawa
- H01 - BASIC ELECTRIC ELEMENTS