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Yoji Idei
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Asaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device having level shift circuit
Patent number
8,891,318
Issue date
Nov 18, 2014
PS4 Luxco S.A.R.L.
Takenori Sato
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device having sense amplifier
Patent number
8,659,321
Issue date
Feb 25, 2014
Yuko Watanabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device having data input/output unit connected to bus...
Patent number
8,174,907
Issue date
May 8, 2012
Elpida Memory, Inc.
Takuyo Kodama
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device having input first-stage circuit
Patent number
7,889,584
Issue date
Feb 15, 2011
Elpida Memory Inc.
Yoji Idei
G11 - INFORMATION STORAGE
Information
Patent Grant
Power supply voltage dropping circuit using an N-channel transistor...
Patent number
7,863,969
Issue date
Jan 4, 2011
Elpida Memory, Inc.
Ryohei Furuya
G05 - CONTROLLING REGULATING
Information
Patent Grant
Semiconductor storage device
Patent number
7,719,911
Issue date
May 18, 2010
Elpida Memory, Inc.
Kazuhiro Teramoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device operating in an active mode and a standby mode
Patent number
7,675,347
Issue date
Mar 9, 2010
Elpida Memory, Inc.
Kazuhiro Teramoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor memory device including a sense amplifier having a re...
Patent number
7,663,954
Issue date
Feb 16, 2010
Elpida Memory, Inc.
Kazuhiro Teramoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
7,649,790
Issue date
Jan 19, 2010
Elpida Memory, Inc.
Kazuhiro Teramoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device using current mirror circuit
Patent number
6,897,705
Issue date
May 24, 2005
Elpida Memory, Inc.
Yoji Idei
G05 - CONTROLLING REGULATING
Information
Patent Grant
Clock synchronization circuit having bidirectional delay circuit st...
Patent number
6,867,626
Issue date
Mar 15, 2005
Elpida Memory, Inc.
Yoji Idei
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device
Patent number
6,717,833
Issue date
Apr 6, 2004
Hitachi, Ltd.
Goro Kitsukawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device
Patent number
6,175,516
Issue date
Jan 16, 2001
Hitachi, Ltd.
Goro Kitsukawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor integrated circuit device having step-down voltage ci...
Patent number
6,067,257
Issue date
May 23, 2000
Hitachi, Ltd.
Goro Kitsukawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
4,986,666
Issue date
Jan 22, 1991
Hitachi Device Engineering Co., Ltd.
Noriyuki Homma
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Semiconductor Device Having Level Shift Circuit
Publication number
20150071013
Publication date
Mar 12, 2015
PS4 LUXCO S.A.R.L.
Takenori Sato
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR DEVICE HAVING SENSE AMPLIFIER
Publication number
20120133399
Publication date
May 31, 2012
Elpida Memory, Inc.
Yuko WATANABE
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR DEVICE HAVING LEVEL SHIFT CIRCUIT
Publication number
20120134439
Publication date
May 31, 2012
Elpida Memory, lnc.
Takenori Sato
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SEMICONDUCTOR DEVICE HAVING DATA INPUT/OUTPUT UNIT CONNECTED TO BUS...
Publication number
20100284228
Publication date
Nov 11, 2010
ELPIDA MEMORY, INC.
Takuyo KODAMA
G11 - INFORMATION STORAGE
Information
Patent Application
POWER SUPPLY VOLTAGE DROPPING CIRCUIT IN WHICH NCH (N-CHANNEL) TRAN...
Publication number
20090284309
Publication date
Nov 19, 2009
ELPIDA MEMORY, INC.
Ryohei FURUYA
G05 - CONTROLLING REGULATING
Information
Patent Application
SEMICONDUCTOR STORAGE DEVICE
Publication number
20090016139
Publication date
Jan 15, 2009
Elpida Memory, Inc.
Kazuhiro Teramoto
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20090016126
Publication date
Jan 15, 2009
Elpida Memory, Inc.
Kazuhiro Teramoto
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor device operating in an active mode and a standby mode
Publication number
20080116956
Publication date
May 22, 2008
ELPIDA MEMORY, INC.
Kazuhiro Teramoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Semiconductor memory device including a sense amplifier having a re...
Publication number
20080112244
Publication date
May 15, 2008
ELPIDA MEMORY, INC.
Kazuhiro Teramoto
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor memory device and memory module
Publication number
20070085601
Publication date
Apr 19, 2007
Yoji Idei
G11 - INFORMATION STORAGE
Information
Patent Application
Internal power supply control method, internal power supply circuit...
Publication number
20060226880
Publication date
Oct 12, 2006
ELPIDA MEMORY, INC.
Takeshi Akiyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Clock synchronization circuit and semiconductor device
Publication number
20040150440
Publication date
Aug 5, 2004
Yoji Idei
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor device using current mirror circuit
Publication number
20040061550
Publication date
Apr 1, 2004
Elpida Memory, Inc.
Yoji Idei
G05 - CONTROLLING REGULATING
Information
Patent Application
Semiconductor device
Publication number
20010000687
Publication date
May 3, 2001
Goro Kitsukawa
G11 - INFORMATION STORAGE