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Hirokazu Ohtake
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Yokosuka-Shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Power supply unit having dimmer function and lighting unit
Patent number
8,513,902
Issue date
Aug 20, 2013
Toshiba Lighting & Technology Corporation
Hirokazu Ohtake
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Power supply unit having dimmer function and lighting unit
Patent number
8,368,323
Issue date
Feb 5, 2013
Toshiba Lighting & Technology Corporation
Hirokazu Ohtake
Information
Patent Grant
Lighting circuit and lighting device
Patent number
6,018,221
Issue date
Jan 25, 2000
Toshiba Lighting & Technology Corporation
Hirokazu Ohtake
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
POWER SUPPLY UNIT HAVING DIMMER FUNCTION AND LIGHTING UNIT
Publication number
20100060204
Publication date
Mar 11, 2010
TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
Hirokazu Ohtake
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR