Hidekazu Kojima

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Kyoto-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power supply system for a display panel
- Patent number 8,810,977
- Issue date Aug 19, 2014
- Rohm Co., Ltd.
- Hidekazu Kojima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Negative step-up charge pump circuit, LCD driver IC, and liquid cry...
- Patent number 8,085,257
- Issue date Dec 27, 2011
- Rohm Co., Ltd.
- Haruo Taguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Power supply circuit and portable device
- Patent number 7,847,488
- Issue date Dec 7, 2010
- Rohm Co., Ltd.
- Hidekazu Kojima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Display device driving apparatus and display device using the same
- Patent number 7,486,288
- Issue date Feb 3, 2009
- Rohm Co., Ltd.
- Hidekazu Kojima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
POWER SUPPLY SYSTEM FOR A DISPLAY PANEL
- Publication number 20130003230
- Publication date Jan 3, 2013
- Rohm Co., Ltd.
- Hidekazu KOJIMA
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LEVEL SHIFTER CIRCUIT, LOAD DRIVE DEVICE, AND LIQUID CRYSTAL DISPLA...
- Publication number 20110193848
- Publication date Aug 11, 2011
- Rohm Co., Ltd.
- Hidekazu Kojima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
POWER SUPPLY CIRCUIT AND PORTABLE DEVICE
- Publication number 20090200956
- Publication date Aug 13, 2009
- Rohm Co., Ltd.
- Hidekazu Kojima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Negative step-up charge pump circuit, LCD driver IC, and liquid cry...
- Publication number 20070216673
- Publication date Sep 20, 2007
- Haruo Taguchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS