Nobuyo Sugiyama

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Nonvolatile semiconductor memory device and method for fabricating...
- Patent number 6,982,456
- Issue date Jan 3, 2006
- Matsushita Electic Industrial Co., Ltd.
- Nobuyo Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor memory device which can operate at high s...
- Patent number 6,803,623
- Issue date Oct 12, 2004
- Matsushita Electric Industrial Co., Ltd.
- Nobuyo Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor memory device and method for fabricating...
- Patent number 6,770,931
- Issue date Aug 3, 2004
- Matsushita Electric Industrial Co., Ltd.
- Nobuyo Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor memory device and method for fabricating...
- Patent number 6,538,275
- Issue date Mar 25, 2003
- Matsushita Electric Industrial Co., Ltd.
- Nobuyo Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Nonvolatile semiconductor memory device and method for fabricating...
- Publication number 20040246803
- Publication date Dec 9, 2004
- Matsushita Electric Industrial Co., Ltd.
- Nobuyo Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nonvolatile semiconductor memory device and method for fabricating...
- Publication number 20030122180
- Publication date Jul 3, 2003
- Matsushita Electric Industrial Co., Ltd.
- Nobuyo Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nonvolatile semiconductor memory device and manufacturing method th...
- Publication number 20020074583
- Publication date Jun 20, 2002
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Nobuyo Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nonvolatile semiconductor memory device and method for fabricating...
- Publication number 20020070405
- Publication date Jun 13, 2002
- Nobuyo Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS