Yuuichi Namura

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Patents Grantslast 30 patents

Information Patent Grant
Lighting device for illumination and lamp provided with the same
- Patent number 6,222,327
- Issue date Apr 24, 2001
- Hitachi, Ltd.
- Hiroyuki Shoji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Lighting device for illumination and lamp provided with the same
- Patent number 6,124,680
- Issue date Sep 26, 2000
- Hitachi, Ltd.
- Hiroyuki Shoji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER