Takeshi Sumitani

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Kyoto-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light emitter driving device and lighting appliance therewith
- Patent number 9,101,008
- Issue date Aug 4, 2015
- Rohm Co., Ltd.
- Takeshi Sumitani
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light emitter driving device and lighting appliance therewith
- Patent number 8,922,135
- Issue date Dec 30, 2014
- Rohm Co., Ltd.
- Takeshi Sumitani
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTER DRIVING DEVICE AND LIGHTING APPLIANCE THEREWITH
- Publication number 20150069929
- Publication date Mar 12, 2015
- ROHM CO., LTD.
- Takeshi Sumitani
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT EMITTER DRIVING DEVICE AND LIGHTING APPLIANCE THEREWITH
- Publication number 20120326616
- Publication date Dec 27, 2012
- ROHM CO., LTD.
- Takeshi Sumitani
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR