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Nobuaki Otsuka
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor electrically programmable fuse element with amorphous...
Patent number
8,105,886
Issue date
Jan 31, 2012
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memory device with improved resistance to disturbance...
Patent number
7,957,176
Issue date
Jun 7, 2011
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Level shifter circuit
Patent number
7,924,080
Issue date
Apr 12, 2011
Kabushiki Kaisha Toshiba
Yukinori Uchino
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor memory device including a static memory cell
Patent number
7,710,808
Issue date
May 4, 2010
Kabushiki Kaisha Toshiba
Keiichi Kushida
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
7,649,799
Issue date
Jan 19, 2010
Kabushiki Kaisha Toshiba
Gou Fukano
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
7,609,581
Issue date
Oct 27, 2009
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
7,535,753
Issue date
May 19, 2009
Kabushiki Kaisha Toshiba
Akira Katayama
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory cell structure of SRAM
Patent number
7,430,134
Issue date
Sep 30, 2008
Kabushiki Kaisha Toshiba
Yasuhisa Takeyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device and semiconductor device
Patent number
7,400,524
Issue date
Jul 15, 2008
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor electrically programmable fuse element with amorphous...
Patent number
7,368,801
Issue date
May 6, 2008
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memory device
Patent number
7,362,646
Issue date
Apr 22, 2008
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile memory including a verify circuit
Patent number
7,313,038
Issue date
Dec 25, 2007
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device having storage circuit which stores data in no...
Patent number
7,085,181
Issue date
Aug 1, 2006
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Fuse circuit
Patent number
6,992,945
Issue date
Jan 31, 2006
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Resistance division circuit and semiconductor device
Patent number
6,737,912
Issue date
May 18, 2004
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device formed by cascade-connecting a plurality of di...
Patent number
6,693,305
Issue date
Feb 17, 2004
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with impedance controllable output buffer
Patent number
6,466,487
Issue date
Oct 15, 2002
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device with test circuit
Patent number
6,429,454
Issue date
Aug 6, 2002
Kabushiki Kaisha Toshiba
Hiroshi Hatada
G01 - MEASURING TESTING
Information
Patent Grant
Semiconductor device
Patent number
6,307,791
Issue date
Oct 23, 2001
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device having sense and data lines for use to...
Patent number
6,275,407
Issue date
Aug 14, 2001
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory in which the number of programming...
Patent number
6,222,773
Issue date
Apr 24, 2001
Kabushiki Kaisha Toshiba
Tooru Tanzawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device of double-data rate mode
Patent number
6,154,393
Issue date
Nov 28, 2000
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory in which the number of programming...
Patent number
6,118,697
Issue date
Sep 12, 2000
Kabushiki Kaisha Toshiba
Tooru Tanzawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
6,088,281
Issue date
Jul 11, 2000
Kabushki Kaisha Toshiba
Tadashi Miyakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor integrated circuit
Patent number
6,021,071
Issue date
Feb 1, 2000
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory having improved testing circuitry
Patent number
4,956,816
Issue date
Sep 11, 1990
Kabushiki Kaisha Toshiba
Shigeru Atsumi
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20140050018
Publication date
Feb 20, 2014
Kabushiki Kaisha Toshiba
Tsuyoshi MIDORIKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
LEVEL SHIFTER CIRCUIT
Publication number
20100201426
Publication date
Aug 12, 2010
Kabushiki Kaisha Toshiba
Yukinori Uchino
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SEMICONDUCTOR ELECTRICALLY PROGRAMMABLE FUSE ELEMENT WITH AMORPHOUS...
Publication number
20080258256
Publication date
Oct 23, 2008
Nobuaki Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20080175040
Publication date
Jul 24, 2008
Keiichi KUSHIDA
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20080137393
Publication date
Jun 12, 2008
Kabushiki Kaisha Toshiba
Gou FUKANO
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20080019194
Publication date
Jan 24, 2008
Akira KATAYAMA
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR DEVICE AND SEMICONDUCTOR INTEGRATED CIRCUIT
Publication number
20070279998
Publication date
Dec 6, 2007
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20070280009
Publication date
Dec 6, 2007
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE WITH IMPROVED RESISTANCE TO DISTURBANCE...
Publication number
20070274124
Publication date
Nov 29, 2007
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor memory device
Publication number
20070211545
Publication date
Sep 13, 2007
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Application
MEMORY CELL STRUCTURE OF SRAM
Publication number
20070194833
Publication date
Aug 23, 2007
Yasuhisa Takeyama
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE AND SEMICONDUCTOR DEVICE
Publication number
20070097729
Publication date
May 3, 2007
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor device and semiconductor integrated circuit
Publication number
20060227617
Publication date
Oct 12, 2006
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor device as electrically programmable fuse element and...
Publication number
20050189613
Publication date
Sep 1, 2005
Nobuaki Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device having storage circuit which stores data in no...
Publication number
20050190636
Publication date
Sep 1, 2005
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Application
Fuse circuit
Publication number
20050041507
Publication date
Feb 24, 2005
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Application
Resistance division circuit and semiconductor device
Publication number
20030169098
Publication date
Sep 11, 2003
Kabushiki Kaisha Toshiba
Nobuaki Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device formed by cascade-connecting a plurality of di...
Publication number
20020093022
Publication date
Jul 18, 2002
Nobuaki Otsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device with impedance controllable output buffer
Publication number
20020034103
Publication date
Mar 21, 2002
Nobuaki Otsuka
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor device with test circuit
Publication number
20010051404
Publication date
Dec 13, 2001
Hatada Hiroshi
G01 - MEASURING TESTING