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Takaaki Nagai
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Nonvolatile semiconductor memory device capable of preventing a sil...
Patent number
8,546,866
Issue date
Oct 1, 2013
Renesas Electronics Corporation
Takaaki Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Split gate type non-volatile semiconductor memory device and method...
Patent number
8,377,774
Issue date
Feb 19, 2013
Renesas Electronics Corporation
Takaaki Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Non-volatile semiconductor memory device having an erasing gate
Patent number
8,115,247
Issue date
Feb 14, 2012
Renesas Electronics Corporation
Takaaki Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nonvolatile semiconductor memory device and method of manufacturing...
Patent number
7,834,390
Issue date
Nov 16, 2010
NEC Electronics Corporation
Takaaki Nagai
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor storage apparatus with overlapping gates...
Patent number
7,009,242
Issue date
Mar 7, 2006
NEC Electronics Corporation
Takaaki Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
EEPROM semiconductor device and method of fabricating the same
Patent number
6,803,268
Issue date
Oct 12, 2004
NEC Electronics Corporation
Takaaki Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
EEPROM semiconductor device and method of fabricating the same
Patent number
6,114,767
Issue date
Sep 5, 2000
NEC Corporation
Takaaki Nagai
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SPLIT GATE TYPE NON-VOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD...
Publication number
20120164823
Publication date
Jun 28, 2012
Renesas Electronics Corporation
Takaaki NAGAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE
Publication number
20110073992
Publication date
Mar 31, 2011
RENESAS ELECTRONICS CORPORATION
Masahiro WADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND A MANUFACTURING METHOD...
Publication number
20110057245
Publication date
Mar 10, 2011
RENESAS ELECTRONICS CORPORATION
Takaaki NAGAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING...
Publication number
20110049609
Publication date
Mar 3, 2011
RENESAS ELECTRONICS CORPORATION
Takaaki Nagai
G11 - INFORMATION STORAGE
Information
Patent Application
NONVOLATILE SEMICONDUCTOR STORAGE DEVICE
Publication number
20100308392
Publication date
Dec 9, 2010
NEC ELECTRONICS CORPORATION
Takaaki Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nonvolatile semiconductor memory device and method of manufacturing...
Publication number
20090200595
Publication date
Aug 13, 2009
NEC Electronics Corporation
Takaaki Nagai
G11 - INFORMATION STORAGE
Information
Patent Application
Nonvolatile semiconductor memory device and method of manufacturing...
Publication number
20090200594
Publication date
Aug 13, 2009
NEC Electronics Corporation
Takaaki Nagai
G11 - INFORMATION STORAGE
Information
Patent Application
Nonvolatile semiconductor memory device and method of manufacturing...
Publication number
20090200600
Publication date
Aug 13, 2009
NEC Electronics Corporation
Takaaki Nagai
G11 - INFORMATION STORAGE
Information
Patent Application
Non-volatile semiconductor memory device having an erasing gate
Publication number
20090085092
Publication date
Apr 2, 2009
NEC Electronics Corporation
Takaaki Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Non-volatile semiconductor memory device having an erasing gate
Publication number
20090085090
Publication date
Apr 2, 2009
NEC Electronics Corporation
Takaaki Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Non-volatile semiconductor memory device having an erasing gate
Publication number
20090085091
Publication date
Apr 2, 2009
NEC Electronics Corporation
Takaaki Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Split gate type non-volatile semiconductor memory device and method...
Publication number
20070221987
Publication date
Sep 27, 2007
NEC Electronics Corporation
Takaaki Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Eeprom semiconductor device method and fabricating the same
Publication number
20020064916
Publication date
May 30, 2002
Takaaki Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Non-volatile semiconductor storage apparatus and manufacturing meth...
Publication number
20010054735
Publication date
Dec 27, 2001
Takaaki Nagai
H01 - BASIC ELECTRIC ELEMENTS