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Natsuki Kushiyama
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Kanagawa-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Output driver to drive semiconductor device and memory system
Patent number
9,263,109
Issue date
Feb 16, 2016
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
DLL circuit and semiconductor device
Patent number
9,112,516
Issue date
Aug 18, 2015
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor integrated circuit
Patent number
8,867,868
Issue date
Oct 21, 2014
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor integrated circuit and the same checking method
Patent number
7,657,798
Issue date
Feb 2, 2010
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Phase locked loop circuit having regulator
Patent number
7,616,075
Issue date
Nov 10, 2009
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Resistance-change-type fuse circuit
Patent number
7,538,369
Issue date
May 26, 2009
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Data sampling circuit and semiconductor integrated circuit
Patent number
7,526,049
Issue date
Apr 28, 2009
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor integrated circuit and method for testing a semicondu...
Patent number
7,251,765
Issue date
Jul 31, 2007
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
G01 - MEASURING TESTING
Information
Patent Grant
Driver circuit and system including driver circuit
Patent number
7,113,007
Issue date
Sep 26, 2006
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Impedance controlled output driver
Patent number
7,091,761
Issue date
Aug 15, 2006
Rambus, Inc.
Donald C. Stark
G11 - INFORMATION STORAGE
Information
Patent Grant
Impedance controlled output driver
Patent number
6,922,092
Issue date
Jul 26, 2005
Rambus Inc.
Donald C. Stark
G11 - INFORMATION STORAGE
Information
Patent Grant
Charge compensation control circuit and method for use with output...
Patent number
6,661,268
Issue date
Dec 9, 2003
Rambus Inc.
Donald C. Stark
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor integrated circuit device and semiconductor device sy...
Patent number
6,594,170
Issue date
Jul 15, 2003
Kabushiki Kaisha Toshiba
Masao Kudou
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor integrated circuit having output buffer
Patent number
6,563,351
Issue date
May 13, 2003
Kabushiki Kaisha Toshiba
Tadashi Onizawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor memory device
Patent number
6,498,741
Issue date
Dec 24, 2002
Kabushiki Kaisha Toshiba
Katsuki Matsudera
G11 - INFORMATION STORAGE
Information
Patent Grant
Charge compensation control circuit and method for use with output...
Patent number
6,342,800
Issue date
Jan 29, 2002
Rambus Inc.
Donald C. Stark
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory and screening test method thereof
Patent number
RE37184
Issue date
May 22, 2001
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
365 - Static information storage and retrieval
Information
Patent Grant
Semiconductor memory device
Patent number
6,198,649
Issue date
Mar 6, 2001
Kabushiki Kaisha Toshiba
Katsuki Matsudera
G11 - INFORMATION STORAGE
Information
Patent Grant
Impedance controlled output driver
Patent number
6,163,178
Issue date
Dec 19, 2000
Rambus Incorporated
Donald C. Stark
G11 - INFORMATION STORAGE
Information
Patent Grant
Dynamic random access memory
Patent number
5,991,218
Issue date
Nov 23, 1999
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Data transmitter circuit and semiconductor device using the same
Patent number
5,933,028
Issue date
Aug 3, 1999
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor memory and screening test method thereof
Patent number
5,532,963
Issue date
Jul 2, 1996
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
5,410,512
Issue date
Apr 25, 1995
Kabushiki Kaisha Toshiba
Satoru Takase
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory and screening test method thereof
Patent number
5,377,152
Issue date
Dec 27, 1994
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory having memory cell units each including cascad...
Patent number
5,341,326
Issue date
Aug 23, 1994
Kabushiki Kaisha Toshiba
Satoru Takase
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device having a small number of signal lines
Patent number
4,929,945
Issue date
May 29, 1990
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
LEVEL SHIFT CIRCUIT
Publication number
20150263731
Publication date
Sep 17, 2015
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT
Publication number
20150003779
Publication date
Jan 1, 2015
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
G02 - OPTICS
Information
Patent Application
DLL CIRCUIT AND SEMICONDUCTOR DEVICE
Publication number
20140132319
Publication date
May 15, 2014
KABUSHIKI KAISHA TOSHIBA
Natsuki Kushiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OUTPUT DRIVER TO DRIVE SEMICONDUCTOR DEVICE AND MEMORY SYSTEM
Publication number
20140071773
Publication date
Mar 13, 2014
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT CAPABLE OF EVALUATING THE CHARACTE...
Publication number
20110227609
Publication date
Sep 22, 2011
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
Publication number
20090127606
Publication date
May 21, 2009
Kabushiki Kaisha Toshiba
Koichi Kinoshita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Phase Locked Loop Circuit Having Regulator
Publication number
20080284524
Publication date
Nov 20, 2008
Toshiba America Electronic Components, Inc
Natsuki Kushiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Semiconductor integrated circuit
Publication number
20080080809
Publication date
Apr 3, 2008
Natsuki Kushiyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RESISTANCE-CHANGE-TYPE FUSE CIRCUIT
Publication number
20070278615
Publication date
Dec 6, 2007
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor integrated circuit and the same checking method
Publication number
20070226552
Publication date
Sep 27, 2007
Natsuki Kushiyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Data sampling circuit and semiconductor integrated circuit
Publication number
20070009073
Publication date
Jan 11, 2007
KABUSHIKI KAISHA TOSHIBA
Natsuki Kushiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Impedance controlled output driver
Publication number
20050237094
Publication date
Oct 27, 2005
Rambus Inc.
Donald C. Stark
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Driver circuit and system including driver circuit
Publication number
20050218941
Publication date
Oct 6, 2005
KABUSHIKI KAISHA TOSHIBA
Natsuki Kushiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Semiconductor integrated circuit and method for testing a semicondu...
Publication number
20050134300
Publication date
Jun 23, 2005
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
G01 - MEASURING TESTING
Information
Patent Application
Impedance controlled output driver
Publication number
20040119511
Publication date
Jun 24, 2004
Rambus Inc.
Donald C. Stark
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Semiconductor integrated circuit device and semiconductor device sy...
Publication number
20030058676
Publication date
Mar 27, 2003
Kabushiki Kaisha Toshiba
Masao Kudou
G11 - INFORMATION STORAGE
Information
Patent Application
Charge compensation control circuit and method for use with output...
Publication number
20020043997
Publication date
Apr 18, 2002
Rambus Inc.
Donald C. Stark
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor integrated circuit having output buffer
Publication number
20020041194
Publication date
Apr 11, 2002
Tadashi Onizawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Semiconductor integrated circuit and semiconductor apparatus system
Publication number
20020016932
Publication date
Feb 7, 2002
Kabushiki Kaisha Toshiba
Natsuki Kushiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Semiconductor memory device
Publication number
20010000990
Publication date
May 10, 2001
Kabushiki Kaisha Toshiba
Katsuki Matsudera
G11 - INFORMATION STORAGE