Etsuo Urataki

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Ohme, JP

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Patents Grantslast 30 patents

Information Patent Grant
Negative glow discharge lamp device
- Patent number 5,041,765
- Issue date Aug 20, 1991
- Hitachi, Ltd.
- Etsuo Urataki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Negative glow discharge lamp
- Patent number 4,967,118
- Issue date Oct 30, 1990
- Hitachi, Ltd.
- Etsuo Urataki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for fabricating fluorescent lamp
- Patent number 4,353,727
- Issue date Oct 12, 1982
- Hitachi, Ltd.
- Etsuo Urataki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorescent lamp having reflective layer and a method for fabricati...
- Patent number 4,336,479
- Issue date Jun 22, 1982
- Hitachi, Ltd.
- Churyo Kodama
- H01 - BASIC ELECTRIC ELEMENTS