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Yasurou Kubota
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Nonvolatile memory apparatus having a processor and plural memories...
Patent number
7,372,741
Issue date
May 13, 2008
Renesas Technology Corp.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
7,099,199
Issue date
Aug 29, 2006
Renesas Technology Corp.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
7,020,028
Issue date
Mar 28, 2006
Renesas Technology Corp.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
6,791,882
Issue date
Sep 14, 2004
Renesas Technology Corp.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory apparatus
Patent number
6,747,902
Issue date
Jun 8, 2004
Renesas Technology Corp.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
6,438,036
Issue date
Aug 20, 2002
Hitachi, Ltd.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
6,259,629
Issue date
Jul 10, 2001
Hitachi, Ltd.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
6,181,600
Issue date
Jan 30, 2001
Hitachi, Ltd.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
6,157,576
Issue date
Dec 5, 2000
Hitachi, Ltd.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
6,016,273
Issue date
Jan 18, 2000
Hitachi, Ltd.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
5,991,200
Issue date
Nov 23, 1999
Hitachi, Ltd.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
5,959,894
Issue date
Sep 28, 1999
Hitachi, Ltd.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
5,949,715
Issue date
Sep 7, 1999
Hitachi, Ltd.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
5,917,752
Issue date
Jun 29, 1999
Hitachi, Ltd.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
5,844,842
Issue date
Dec 1, 1998
Hitachi, Ltd.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
5,781,476
Issue date
Jul 14, 1998
Hitachi, Ltd.
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device with selective tow erasure
Patent number
5,315,547
Issue date
May 24, 1994
Hitachi, Ltd.
Kazuyoshi Shoji
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device
Patent number
5,097,446
Issue date
Mar 17, 1992
Hitachi, Ltd.
Kazuyoshi Shoji
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Nonvolatile semiconductor memory device
Publication number
20060262605
Publication date
Nov 23, 2006
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Application
Nonvolatile semiconductor memory device
Publication number
20040202019
Publication date
Oct 14, 2004
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Application
Nonvolatile semiconductor memory device
Publication number
20040202025
Publication date
Oct 14, 2004
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Application
Nonvolatile semiconductor memory device
Publication number
20030002347
Publication date
Jan 2, 2003
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Application
Nonvolatile semiconductor memory device
Publication number
20020176282
Publication date
Nov 28, 2002
Koichi Seki
G11 - INFORMATION STORAGE
Information
Patent Application
Nonvolatile semiconductor memory device
Publication number
20010030889
Publication date
Oct 18, 2001
Koichi Seki
G11 - INFORMATION STORAGE