Keiji Takahashi

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Yokosuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Discharge lamp lighting device and illumination device
- Patent number 6,177,768
- Issue date Jan 23, 2001
- Toshiba Lighting & Technology Corp.
- Masahiko Kamata
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lighting apparatus
- Patent number 5,951,145
- Issue date Sep 14, 1999
- Toshiba Lighting & Technology Corporation
- Fumitsugu Iwasaki
- F21 - LIGHTING
Information Patent Grant
Apparatus for operating a discharge lamp and a lighting unit having...
- Patent number 5,237,242
- Issue date Aug 17, 1993
- Toshiba Lighting & Technology Corporation
- Keiji Takahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER