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Takeshi OHGAMI
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatuses and methods for controlling word lines and sense amplif...
Patent number
10,354,705
Issue date
Jul 16, 2019
Micron Technology, Inc.
Takeshi Ohgami
G11 - INFORMATION STORAGE
Information
Patent Grant
Forming transistor gate structures in a semiconductor using a mask...
Patent number
RE47227
Issue date
Feb 5, 2019
LONGITUDE LICENSING LIMITED
Takeshi Ohgami
Information
Patent Grant
Semiconductor memory device having main word lines and sub-word lines
Patent number
9,418,711
Issue date
Aug 16, 2016
Micron Technology, Inc.
Takeshi Ohgami
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device having hierarchical bit line structure
Patent number
9,019,787
Issue date
Apr 28, 2015
PS4 Luxco S.A.R.L.
Yasuhiro Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device having open bit line structure
Patent number
8,797,778
Issue date
Aug 5, 2014
PS4 Luxco S.A.R.L.
Takeshi Ohgami
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device
Patent number
8,508,982
Issue date
Aug 13, 2013
Elpida Memory, Inc.
Takeshi Ohgami
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for manufacturing a semiconductor memory device
Patent number
8,477,536
Issue date
Jul 2, 2013
Elpida Memory, Inc.
Takeshi Ohgami
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
8,259,496
Issue date
Sep 4, 2012
Elpida Memory, Inc.
Takeshi Ohgami
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device and manufacturing method of semiconduct...
Patent number
8,130,546
Issue date
Mar 6, 2012
Elpida Memory, Inc.
Takeshi Ohgami
G11 - INFORMATION STORAGE
Information
Patent Grant
Manufacturing method of semiconductor memory device
Patent number
8,105,907
Issue date
Jan 31, 2012
Elpida Memory, Inc.
Eiji Hasunuma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having a sense amplifier
Patent number
7,903,489
Issue date
Mar 8, 2011
Elpida Memory, Inc.
Takeshi Ohgami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memory device and sense amplifier
Patent number
7,768,855
Issue date
Aug 3, 2010
Elpida Memory, Inc.
Takeshi Ohgami
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
7,583,550
Issue date
Sep 1, 2009
Elpida Memory, Inc.
Takeshi Ohgami
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor storage unit
Patent number
6,775,198
Issue date
Aug 10, 2004
Renesas Technology Corp.
Kozo Ishida
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Patents Applications
last 30 patents
Information
Patent Application
APPARATUSES AND METHODS FOR CONTROLLING WORD LINES AND SENSE AMPLIF...
Publication number
20190013055
Publication date
Jan 10, 2019
Micron Technology, Inc.
Takeshi Ohgami
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE HAVING MAIN WORD LINES AND SUB-WORD LINES
Publication number
20150098260
Publication date
Apr 9, 2015
Micron Technology, Inc.
TAKESHI OHGAMI
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR DEVICE HAVING SENSE AMPLIFIER CIRCUIT
Publication number
20130308403
Publication date
Nov 21, 2013
Elpida Memory, Inc.
Izumi NAKAI
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR DEVICE HAVING HIERARCHICAL BIT LINE STRUCTURE
Publication number
20130301330
Publication date
Nov 14, 2013
Elpida Memory, Inc.
Yasuhiro MATSUMOTO
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Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE HAVING OPEN BIT LINE STRUCTURE
Publication number
20130148412
Publication date
Jun 13, 2013
Elpida Memory, Inc.
Takeshi OHGAMI
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD FOR MANUFACTURING A SEMICONDUCTOR MEMORY DEVICE
Publication number
20120309156
Publication date
Dec 6, 2012
Elpida Memory, Inc.
Takeshi OHGAMI
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20120120706
Publication date
May 17, 2012
Elpida Memory, Inc.
Takeshi OHGAMI
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor device
Publication number
20110292717
Publication date
Dec 1, 2011
Elpida Memory, Inc.
Takeshi OHGAMI
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE AND MANUFACTURING METHOD OF SEMICONDUCT...
Publication number
20100195431
Publication date
Aug 5, 2010
Elpida Memory, Inc.
Takeshi OHGAMI
G11 - INFORMATION STORAGE
Information
Patent Application
MANUFACTURING METHOD OF SEMICONDUCTOR MEMORY DEVICE
Publication number
20100197097
Publication date
Aug 5, 2010
Elpida Memory, Inc.
Eiji HASUNUMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE HAVING OPEN BIT LINE STRUCTURE
Publication number
20100165693
Publication date
Jul 1, 2010
ELPIDA MEMORY INC.
Takeshi OHGAMI
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE AND SENSE AMPLIFIER
Publication number
20090279372
Publication date
Nov 12, 2009
Elpida Memory, Inc.
Takeshi OHGAMI
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor memory device
Publication number
20090034353
Publication date
Feb 5, 2009
Elpida Memory, Inc.
Seiji Narui
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20080165563
Publication date
Jul 10, 2008
Elpida Memory, Inc.
Takeshi OHGAMI
G11 - INFORMATION STORAGE
Information
Patent Application
SEMICONDUCTOR DEVICE HAVING A SENSE AMPLIFIER
Publication number
20080008013
Publication date
Jan 10, 2008
Takeshi OHGAMI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor storage unit
Publication number
20030058726
Publication date
Mar 27, 2003
Mitsubishi Denki Kabushiki Kaisha
Kozo Ishida
G11 - INFORMATION STORAGE