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Hisaji Ito
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Osaka, JP
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Patents Grants
last 30 patents
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Patent Grant
Discharge lamp lighting device, illumination device, and projector
Patent number
7,511,432
Issue date
Mar 31, 2009
Panasonic Electric Works Co., Ltd.
Koji Watanabe
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
Discharge lamp lighting device, illumination device, and projector
Publication number
20060055341
Publication date
Mar 16, 2006
MATSUSHITA ELECTRIC WORKS, Ltd.
Koji Watanabe
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR