Yoshihisa Yokokawa

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Himeji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device for operation of a discharge lamp
- Patent number 6,084,360
- Issue date Jul 4, 2000
- Ushiodenki Kabushiki Kaisha
- Yoshihisa Yokokawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Device for applying particular voltage waveform for operating a dis...
- Patent number 5,977,722
- Issue date Nov 2, 1999
- Ushiodenki Kabushiki Kaisha
- Yoshihisa Yokokawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fluorescent lamp of the external electrode type and irradiation unit
- Patent number 5,889,366
- Issue date Mar 30, 1999
- Ushiodenki Kabushiki Kaisha
- Yoshihisa Yokokawa
- H01 - BASIC ELECTRIC ELEMENTS