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Sachiko Edo
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device performing self refresh operation
Patent number
8,767,497
Issue date
Jul 1, 2014
Mio Marumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Clock synchronous type semiconductor memory device
Patent number
6,940,763
Issue date
Sep 6, 2005
Elpida Memory, Inc.
Sachiko Edo
G11 - INFORMATION STORAGE
Information
Patent Grant
DLL circuit and method of generating timing signals
Patent number
6,836,165
Issue date
Dec 28, 2004
Elpida Memory, Inc.
Keisuke Goto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor integrated circuit and operating method
Patent number
6,577,546
Issue date
Jun 10, 2003
NEC Corporation
Keisuke Fujiwara
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device with circuit for adjusting input/output termin...
Patent number
6,437,629
Issue date
Aug 20, 2002
NEC Corporation
Sachiko Edo
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
6,282,150
Issue date
Aug 28, 2001
NEC Corporation
Sachiko Edo
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
6,275,423
Issue date
Aug 14, 2001
NEC Corporation
Sachiko Edo
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
SUB-THRESHOLD CURRENT REDUCTION CIRCUIT SWITCHES AND RELATED APPARA...
Publication number
20220158631
Publication date
May 19, 2022
Micron Technology, Inc.
Yoshihiro Shibata
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SEMICONDUCTOR DEVICE HAVING HIERARCHICALLY STRUCTURED WORD LINES
Publication number
20150243346
Publication date
Aug 27, 2015
PS4 LUXCO S.A.R.L.
Munetoshi Ohata
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR DEVICE PERFORMING SELF REFRESH OPERATION
Publication number
20120307582
Publication date
Dec 6, 2012
ELPIDA MEMORY, INC.
Mio MARUMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
SYNCHRONOUS SEMICONDUCTOR MEMORY DEVICE
Publication number
20090303806
Publication date
Dec 10, 2009
Elpida Memory, Inc.
Sachiko EDO
G11 - INFORMATION STORAGE
Information
Patent Application
Clock synchronous type semiconductor memory device
Publication number
20040174751
Publication date
Sep 9, 2004
ELPIDA MEMORY, INC.
Sachiko Edo
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor integrated circuit and operating method
Publication number
20020041529
Publication date
Apr 11, 2002
Keisuke Fujiwara
G11 - INFORMATION STORAGE
Information
Patent Application
DLL circuit and method of generating timing signals
Publication number
20020021152
Publication date
Feb 21, 2002
NEC Corporation
Keisuke Goto
G06 - COMPUTING CALCULATING COUNTING