Tetsuya Takahashi

Follow

Person

Niiza-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Trench semiconductor device of improved voltage strength
- Patent number 7,880,227
- Issue date Feb 1, 2011
- Sanken Electric Co., Ltd.
- Tetsuya Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Level shift circuit and power supply device
- Patent number 7,688,049
- Issue date Mar 30, 2010
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Trench semiconductor device of improved voltage strength, and metho...
- Patent number 7,521,755
- Issue date Apr 21, 2009
- Sanken Electric Co., Ltd.
- Tetsuya Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 7,470,956
- Issue date Dec 30, 2008
- Sanken Electric Co., Ltd.
- Tetsuya Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
IGBT or like semiconductor device of high voltage-withstanding capa...
- Patent number 7,304,356
- Issue date Dec 4, 2007
- Sanken Electric Co., Ltd.
- Tetsuya Takahashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
TRENCH SEMICONDUCTOR DEVICE OF IMPROVED VOLTAGE STRENGTH, AND METHO...
- Publication number 20090173995
- Publication date Jul 9, 2009
- Sanken Electric Co., Ltd.
- Tetsuya Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LEVEL SHIFT CIRCUIT AND POWER SUPPLY DEVICE
- Publication number 20090052216
- Publication date Feb 26, 2009
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Trench semiconductor device of improved voltage strength, and metho...
- Publication number 20070052014
- Publication date Mar 8, 2007
- Sanken Electric Co., Ltd
- Tetsuya Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device
- Publication number 20070007570
- Publication date Jan 11, 2007
- Tetsuya Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IGBT or like semiconductor device of high voltage-withstanding capa...
- Publication number 20060267091
- Publication date Nov 30, 2006
- Sanken Electric Co., Ltd
- Tetsuya Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and manufacturing method thereof
- Publication number 20060231867
- Publication date Oct 19, 2006
- Tetsuya Takahashi
- H01 - BASIC ELECTRIC ELEMENTS