Keiichi Haraguchi

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Hitachinaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Nonvolatile semiconductor memory device and a method of the same
- Patent number 7,358,129
- Issue date Apr 15, 2008
- Renesas Technology Corp.
- Keiichi Haraguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a nonvolatile semiconductor memory device
- Patent number 7,282,411
- Issue date Oct 16, 2007
- Renesas Technology Corp.
- Kenji Kanamitsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor memory device
- Patent number 7,180,788
- Issue date Feb 20, 2007
- Renesas Technology Corp.
- Kenji Kanamitsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Nonvolatile semiconductor memory device and a method of the same
- Patent number 7,126,184
- Issue date Oct 24, 2006
- Renesas Technology Corp.
- Keiichi Haraguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a semiconductor device having trenches for...
- Patent number 7,015,090
- Issue date Mar 21, 2006
- Renesas Technology Corp.
- Tsutomu Okazaki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Nonvolatile semiconductor memory device and a method of the same
- Publication number 20070034935
- Publication date Feb 15, 2007
- Keiichi Haraguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing a semiconductor device having trenches for...
- Publication number 20060033141
- Publication date Feb 16, 2006
- Tsutomu Okazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nonvolatile semiconductor memory device and a method of the same
- Publication number 20050269623
- Publication date Dec 8, 2005
- Keiichi Haraguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing a nonvolatile semiconductor memory device
- Publication number 20050164442
- Publication date Jul 28, 2005
- Kenji Kanamitsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nonvolatile semiconductor memory device
- Publication number 20050162885
- Publication date Jul 28, 2005
- Kenji Kanamitsu
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing a semiconductor device
- Publication number 20040038492
- Publication date Feb 26, 2004
- Tsutomu Okazaki
- H01 - BASIC ELECTRIC ELEMENTS