Kouzou Kawashima

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fluorescent lamp having auxiliary anodes
- Patent number 5,079,478
- Issue date Jan 7, 1992
- Toshiba Lighting & Technology Corporation
- Toshiyuki Ikeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High pressure metal vapor discharge lamp with starting element
- Patent number 4,742,275
- Issue date May 3, 1988
- Kabushiki Kaisha Toshiba
- Akira Ito
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High-pressure metal vapor discharge lamp with characteristic fuse a...
- Patent number 4,686,422
- Issue date Aug 11, 1987
- Kabushiki Kaisha Toshiba
- Akira Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal vapor discharge lamp having a starting device of a thermal sw...
- Patent number 4,672,270
- Issue date Jun 9, 1987
- Tokyo Shibaura Denki Kabushiki Kaisha
- Akira Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal vapor discharge lamp including an inner burner having tapered...
- Patent number 4,625,149
- Issue date Nov 25, 1986
- Kabushiki Kaisha Toshiba
- Yuji Danno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High pressure metal vapor discharge lamp
- Patent number 4,431,945
- Issue date Feb 14, 1984
- Tokyo Shibaura Denki Kabushiki Kaisha
- Kouzou Kawashima
- H01 - BASIC ELECTRIC ELEMENTS