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Koji Yamakawa
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Patents Grants
last 30 patents
Information
Patent Grant
Method for manufacturing semiconductor device
Patent number
12,010,845
Issue date
Jun 11, 2024
Kioxia Corporation
Katsuaki Natori
Information
Patent Grant
Semiconductor memory device
Patent number
10,818,730
Issue date
Oct 27, 2020
TOSHIBA MEMORY CORPORATION
Koji Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memory device
Patent number
10,629,809
Issue date
Apr 21, 2020
TOSHIBA MEMORY CORPORATION
Koji Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic memory device
Patent number
10,516,095
Issue date
Dec 24, 2019
TOSHIBA MEMORY CORPORATION
Koji Yamakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic memory device and method of manufacturing the same
Patent number
9,735,347
Issue date
Aug 15, 2017
Kabushiki Kaisha Toshiba
Koji Yamakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive element and method of manufacturing the same
Patent number
9,385,307
Issue date
Jul 5, 2016
Kabushiki Kaisha Toshiba
Katsuya Nishiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ferroelectric memory and manufacturing method of the same
Patent number
9,362,487
Issue date
Jun 7, 2016
Kabushiki Kaisha Toshiba
Seiji Inumiya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memory device and method for manufacturing the same
Patent number
9,231,192
Issue date
Jan 5, 2016
Kabushiki Kaisha Toshiba
Daisuke Ikeno
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive effect element
Patent number
9,196,823
Issue date
Nov 24, 2015
Kabushiki Kaisha Toshiba
Makoto Nagamine
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic memory
Patent number
9,196,335
Issue date
Nov 24, 2015
Kabushiki Kaisha Toshiba
Katsuaki Natori
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetoresistive effect element and manufacturing method thereof
Patent number
9,070,866
Issue date
Jun 30, 2015
Kabushiki Kaisha Toshiba
Makoto Nagamine
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetoresistive effect element and manufacturing method thereof
Patent number
8,982,614
Issue date
Mar 17, 2015
Kabushiki Kaisha Toshiba
Makoto Nagamine
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memory device
Patent number
8,878,320
Issue date
Nov 4, 2014
Kabushiki Kaisha Toshiba
Koji Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing semiconductor device
Patent number
8,741,161
Issue date
Jun 3, 2014
Kabushiki Kaisha Toshiba
Yasuyuki Sonoda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetoresistive element and manufacturing method of the same
Patent number
8,710,604
Issue date
Apr 29, 2014
Kabushiki Kaisha Toshiba
Koji Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memory device and method for manufacturing the same
Patent number
8,653,614
Issue date
Feb 18, 2014
Kabushiki Kaisha Toshiba
Daisuke Ikeno
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
8,604,573
Issue date
Dec 10, 2013
Kabushiki Kaisha Toshiba
Koji Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetoresistive random access memory and method of manufacturing t...
Patent number
8,587,043
Issue date
Nov 19, 2013
Kabushiki Kaisha Toshiba
Katsuaki Natori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic random access memory and method of fabricating the same
Patent number
8,410,529
Issue date
Apr 2, 2013
Kabushiki Kaisha Toshiba
Daisuke Ikeno
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method of manufacturing semiconductor device with lower capacitor e...
Patent number
8,062,950
Issue date
Nov 22, 2011
Kabushiki Kaisha Toshiba
Koji Yamakawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Semiconductor device with lower capacitor electrode that includes i...
Patent number
7,812,425
Issue date
Oct 12, 2010
Kabushiki Kaisha Toshiba
Koji Yamakawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Semiconductor device and method of manufacturing the same
Patent number
7,728,368
Issue date
Jun 1, 2010
Kabushiki Kaisha Toshiba
Soichi Yamazaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of manufacturing the same
Patent number
7,573,120
Issue date
Aug 11, 2009
Kabushiki Kaisha Toshiba
Katsuaki Natori
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device
Patent number
7,564,089
Issue date
Jul 21, 2009
Kabushiki Kaisha Toshiba
Soichi Yamazaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor device containing a PbxSr(1...
Patent number
7,531,408
Issue date
May 12, 2009
Kabushiki Kaisha Toshiba
Keisuke Nakazawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
7,527,984
Issue date
May 5, 2009
Kabushiki Kaisha Toshiba
Koji Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of manufacturing the same
Patent number
7,501,675
Issue date
Mar 10, 2009
Kabushiki Kaisha Toshiba
Katsuaki Natori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of manufacturing the same
Patent number
7,473,565
Issue date
Jan 6, 2009
Kabushiki Kaisha Toshiba
Osamu Arisumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of fabricating the same
Patent number
7,465,628
Issue date
Dec 16, 2008
Kabushiki Kaisha Toshiba
Soichi Yamazaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of manufacturing the same
Patent number
7,456,456
Issue date
Nov 25, 2008
Kabushiki Kaisha Toshiba
Hiroshi Itokawa
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE, SEMICONDUCTOR DEVICE MANUFACTURING METHOD, AN...
Publication number
20240130125
Publication date
Apr 18, 2024
KIOXIA Corporation
Katsuaki NATORI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
Publication number
20220085066
Publication date
Mar 17, 2022
KIOXIA Corporation
Katsuaki NATORI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE, SEMICONDUCTOR DEVICE MANUFACTURING METHOD, AN...
Publication number
20210305275
Publication date
Sep 30, 2021
KIOXIA Corporation
Katsuaki NATORI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20200052039
Publication date
Feb 13, 2020
Toshiba Memory Corporation
Koji YAMAKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20200044149
Publication date
Feb 6, 2020
Toshiba Memory Corporation
Koji YAMAKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETIC MEMORY DEVICE
Publication number
20190088855
Publication date
Mar 21, 2019
Toshiba Memory Corporation
Koji YAMAKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETRON SPUTTERING APPARATUS AND FILM FORMATION METHOD USING MAGN...
Publication number
20180269043
Publication date
Sep 20, 2018
Toshiba Memory Corporation
Koji UEDA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MAGNETORESISTIVE ELEMENT AND METHOD OF MANUFACTURING THE SAME
Publication number
20170062706
Publication date
Mar 2, 2017
Kabushiki Kaisha Toshiba
Koji YAMAKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME
Publication number
20170062705
Publication date
Mar 2, 2017
Kabushiki Kaisha Toshiba
Koji YAMAKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETORESISTIVE ELEMENT AND METHOD OF MANUFACTURING THE SAME
Publication number
20160099406
Publication date
Apr 7, 2016
Kabushiki Kaisha Toshiba
Katsuya NISHIYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETIC MEMORY AND METHOD FOR MANUFACTURING THE SAME
Publication number
20150069556
Publication date
Mar 12, 2015
Kabushiki Kaisha Toshiba
Koji YAMAKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETORESISTIVE EFFECT ELEMENT AND MANUFACTURING METHOD THEREOF
Publication number
20140284592
Publication date
Sep 25, 2014
Makoto NAGAMINE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETORESISTIVE EFFECT ELEMENT AND MANUFACTURING METHOD THEREOF
Publication number
20140284732
Publication date
Sep 25, 2014
Makoto NAGAMINE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETIC MEMORY
Publication number
20140269033
Publication date
Sep 18, 2014
Kabushiki Kaisha Toshiba
Katsuaki NATORI
B82 - NANO-TECHNOLOGY
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20140117478
Publication date
May 1, 2014
Kabushiki Kaisha Toshiba
Daisuke Ikeno
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETORESISTIVE EFFECT ELEMENT
Publication number
20140085971
Publication date
Mar 27, 2014
Makoto NAGAMINE
G11 - INFORMATION STORAGE
Information
Patent Application
FERROELECTRIC MEMORY AND MANUFACTURING METHOD OF THE SAME
Publication number
20140070290
Publication date
Mar 13, 2014
Kabushiki Kaisha Toshiba
Seiji INUMIYA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FERROELECTRIC MEMORY AND MANUFACTURING METHOD THEREOF
Publication number
20140070289
Publication date
Mar 13, 2014
Masayuki TANAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NONVOLATILE SEMICONDUCTOR MEMORY DEVICE
Publication number
20140042568
Publication date
Feb 13, 2014
Kabushiki Kaisha Toshiba
Koji YAMAKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SPUTTERING TARGET AND METHOD OF MANUFACTURING MAGNETIC MEMORY USING...
Publication number
20130056349
Publication date
Mar 7, 2013
Eiji KITAGAWA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MAGNETORESISTIVE ELEMENT AND MANUFACTURING METHOD OF THE SAME
Publication number
20130001715
Publication date
Jan 3, 2013
Kabushiki Kaisha Toshiba
Koji YAMAKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETORESISTIVE ELEMENT AND MANUFACTURING METHOD OF THE SAME
Publication number
20130001716
Publication date
Jan 3, 2013
Kabushiki Kaisha Toshiba
Koji Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
Publication number
20130005148
Publication date
Jan 3, 2013
Yasuyuki Sonoda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20120326252
Publication date
Dec 27, 2012
Kabushiki Kaisha Toshiba
Koji Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE
Publication number
20120326251
Publication date
Dec 27, 2012
Kabushiki Kaisha Toshiba
Koji Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETIC RANDOM ACCESS MEMORY AND METHOD OF FABRICATING THE SAME
Publication number
20120241879
Publication date
Sep 27, 2012
Kabushiki Kaisha Toshiba
Daisuke IKENO
B82 - NANO-TECHNOLOGY
Information
Patent Application
SEMICONDUCTOR MEMORY DEVICE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20120217476
Publication date
Aug 30, 2012
Kabushiki Kaisha Toshiba
Daisuke Ikeno
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RANDOM ACCESS MEMORY AND METHOD OF FABRICATING THE SAME
Publication number
20120112297
Publication date
May 10, 2012
Kabushiki Kaisha Toshiba
Koji YAMAKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETORESISTIVE RANDOM ACCESS MEMORY AND METHOD OF MANUFACTURING T...
Publication number
20120007196
Publication date
Jan 12, 2012
Kabushiki Kaisha Toshiba
Katsuaki NATORI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20110140238
Publication date
Jun 16, 2011
Kabushiki Kaisha Toshiba
Katsuaki NATORI
H01 - BASIC ELECTRIC ELEMENTS