Toshiki Kishioka

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Toyonaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device with a driver circuit for light emitting diodes
- Patent number 8,013,348
- Issue date Sep 6, 2011
- Ricoh Company, Ltd.
- Toshiki Kishioka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Load driving circuit and method of setting load current thereof
- Patent number 7,986,109
- Issue date Jul 26, 2011
- Ricoh Company, Ltd.
- Toshiki Kishioka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Integrated circuit, interface circuit used in the integrated circui...
- Patent number 7,952,180
- Issue date May 31, 2011
- Ricoh Company, Ltd.
- Atsushi Ohshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power supply device, and LED device and electronic device using same
- Patent number 7,564,196
- Issue date Jul 21, 2009
- Ricoh Company, Ltd.
- Yohichi Shiwaya
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
LOAD DRIVING CIRCUIT AND METHOD OF SETTING LOAD CURRENT THEREOF
- Publication number 20090261753
- Publication date Oct 22, 2009
- Toshiki Kishioka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY DEVICE, AND LED DEVICE AND ELECTRONIC DEVICE USING SAME
- Publication number 20080231209
- Publication date Sep 25, 2008
- Yohichi Shiwaya
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Semiconductor device with a driver circuit for light emitting diodes
- Publication number 20070241349
- Publication date Oct 18, 2007
- Toshiki Kishioka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Integrated circuit, interface circuit used in the integrated circui...
- Publication number 20050052215
- Publication date Mar 10, 2005
- Atsushi Ohshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE