Yasuhiko Takahshi

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Higashiyamato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor memory device and a method of manufacturing the same,...
- Patent number 8,476,138
- Issue date Jul 2, 2013
- Hitachi ULSI Systems Co., Ltd.
- Hiraku Chakihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor memory device and a method of manufacturing the same,...
- Patent number 7,972,920
- Issue date Jul 5, 2011
- Hitachi ULSI Systems Co., Ltd.
- Hiraku Chakihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor memory device and a method of manufacturing the same,...
- Patent number 7,701,020
- Issue date Apr 20, 2010
- Renesas Technology Corp.
- Hiraku Chakihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor memory device and a method of manufacturing the same,...
- Patent number 7,495,289
- Issue date Feb 24, 2009
- Renesas Technology Corp.
- Hiraku Chakihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor memory device and a method of manufacturing the same,...
- Patent number 7,190,031
- Issue date Mar 13, 2007
- Renesas Technology Corp.
- Hiraku Chakihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor memory device and method of manufacturing the same, a...
- Patent number 7,161,215
- Issue date Jan 9, 2007
- Renesas Technology Corp.
- Hiraku Chakihara
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR MEMORY DEVICE AND A METHOD OF MANUFACTURING THE SAME,...
- Publication number 20110230041
- Publication date Sep 22, 2011
- Hiraku Chakihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor Memory Device and a Method of Manufacturing the Same,...
- Publication number 20100136778
- Publication date Jun 3, 2010
- Hiraku Chakihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE AND A METHOD OF MANUFACTURING THE SAME,...
- Publication number 20090140342
- Publication date Jun 4, 2009
- Hiraku Chakihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor memory device and method of manufacturing the same, a...
- Publication number 20060208319
- Publication date Sep 21, 2006
- Hiraku Chakihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor memory device and a method of manufacturing the same,...
- Publication number 20060202286
- Publication date Sep 14, 2006
- Hiraku Chakihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor memory device and a method of manufacturing the same,...
- Publication number 20040043550
- Publication date Mar 4, 2004
- Hiraku Chakihara
- H01 - BASIC ELECTRIC ELEMENTS