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Masahiro Sakurada
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Fukushima, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for evaluating edge shape of silicon wafer, apparatus for ev...
Patent number
11,486,833
Issue date
Nov 1, 2022
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
B24 - GRINDING POLISHING
Information
Patent Grant
Silicon epitaxial wafer and method of producing silicon epitaxial w...
Patent number
10,355,092
Issue date
Jul 16, 2019
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of producing silicon single crystal
Patent number
9,938,634
Issue date
Apr 10, 2018
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Epitaxial wafer and manufacturing method thereof
Patent number
9,425,345
Issue date
Aug 23, 2016
Shin-Etsu Handotai Co., Ltd.
Ryoji Hoshi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of manufacturing single crystal
Patent number
8,147,611
Issue date
Apr 3, 2012
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Soi wafer and a method for producing the same
Patent number
7,518,187
Issue date
Apr 14, 2009
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Soi wafer and a method for producing the same
Patent number
7,407,866
Issue date
Aug 5, 2008
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing a single crystal and a single crystal
Patent number
7,384,477
Issue date
Jun 10, 2008
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for producing a single crystal and a single crystal
Patent number
7,323,048
Issue date
Jan 29, 2008
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Annealed wafer and method for manufacturing the same
Patent number
7,311,888
Issue date
Dec 25, 2007
Shin-Etsu Handotai Co., Ltd.
Hiroshi Takeno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon single crystal wafer, an epitaxial wafer and a method for p...
Patent number
7,294,196
Issue date
Nov 13, 2007
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Graphite heater for producing single crystal, apparatus for produci...
Patent number
7,258,744
Issue date
Aug 21, 2007
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method for producing single crystal and single crystal
Patent number
7,226,507
Issue date
Jun 5, 2007
Shin-Etsu Handotai Co., Ltd.
Nobuaki Mitamura
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of producing P-doped silicon single crystal and P-doped N-ty...
Patent number
7,214,268
Issue date
May 8, 2007
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
SOI wafer and a method for producing an SOI wafer
Patent number
7,129,123
Issue date
Oct 31, 2006
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon single crystal wafer and method for producing silicon singl...
Patent number
6,913,646
Issue date
Jul 5, 2005
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Silicon single crystal wafer and method for manufacturing the same
Patent number
6,893,499
Issue date
May 17, 2005
Shin-Etsu Handotai Co., Ltd.
Izumi Fusegawa
C30 - CRYSTAL GROWTH
Information
Patent Grant
Epitaxial silicon wafer, method for producing the same and subtrate...
Patent number
6,565,822
Issue date
May 20, 2003
Shin-Etsu Handotai Co., Ltd.
Ryoji Hoshi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Silicon single crystal wafer and a method for producing it
Patent number
6,482,260
Issue date
Nov 19, 2002
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Silicon single crystal wafer and method for producing it
Patent number
6,190,452
Issue date
Feb 20, 2001
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for producing silicon monocrystal and silicon monocrystal wafer
Patent number
6,174,364
Issue date
Jan 16, 2001
Shin-Etsu Handotai Co., Ltd.
Hideki Yamanaka
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus and method for producing crystals by the czochralski meth...
Patent number
6,071,337
Issue date
Jun 6, 2000
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus for manufacturing crystals according to the Czochralski m...
Patent number
5,948,163
Issue date
Sep 7, 1999
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for producing a single crystal using czochralski technique
Patent number
5,938,842
Issue date
Aug 17, 1999
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus and method for producing single crystal using Czochralski...
Patent number
5,817,171
Issue date
Oct 6, 1998
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Fused silica glass crucible
Patent number
5,730,800
Issue date
Mar 24, 1998
Shin-Etsu Handotai Co., Ltd.
Wataru Sato
C30 - CRYSTAL GROWTH
Information
Patent Grant
Silicon single crystal with low defect density and method of produc...
Patent number
5,728,211
Issue date
Mar 17, 1998
Shin-Etsu Handotai Co., Ltd.
Kiyotaka Takano
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus and method for the uniform distribution of crystal defect...
Patent number
5,704,973
Issue date
Jan 6, 1998
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for the preparation of a single crystal of silicon with decr...
Patent number
5,667,584
Issue date
Sep 16, 1997
Shin-Etsu Handotai Co., Ltd.
Kiyotaka Takano
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for the preparation of silicon single crystal
Patent number
5,609,682
Issue date
Mar 11, 1997
Shin-Etsu Handotai Co., Ltd.
Wataru Sato
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR EVALUATING EDGE SHAPE OF SILICON WAFER, APPARATUS FOR EV...
Publication number
20200240929
Publication date
Jul 30, 2020
Shin-Etsu Handotai Co., Ltd.
Masahiro SAKURADA
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR HEAT-TREATING SILICON SINGLE CRYSTAL WAFER
Publication number
20170253995
Publication date
Sep 7, 2017
Shin-Etsu Handotai Co., Ltd.
Wei Feng QU
C30 - CRYSTAL GROWTH
Information
Patent Application
SILICON EPITAXIAL WAFER AND METHOD OF PRODUCING SILICON EPITAXIAL W...
Publication number
20160126318
Publication date
May 5, 2016
Shin-Etsu Handotai Co., Ltd.
Masahiro SAKURADA
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD OF PRODUCING SILICON SINGLE CRYSTAL
Publication number
20160068992
Publication date
Mar 10, 2016
SHINE-TSU HANDOTAI CO., LTD.
Masahiro SAKURADA
C30 - CRYSTAL GROWTH
Information
Patent Application
EPITAXIAL WAFER AND MANUFACTURING METHOD THEREOF
Publication number
20140374861
Publication date
Dec 25, 2014
Ryoji Hoshi
C30 - CRYSTAL GROWTH
Information
Patent Application
Quartz Glass Crucible for Pulling Silicon Single Crystal and Method...
Publication number
20100139549
Publication date
Jun 10, 2010
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Application
Method of Manufacturing Single Crystal
Publication number
20100126409
Publication date
May 27, 2010
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Application
An Apparatus for Producing a Single Crystal
Publication number
20080035050
Publication date
Feb 14, 2008
SHIN-ETSU HANDOTAI CO., LTD.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Application
Process for producing single crystal and single crystal
Publication number
20070017433
Publication date
Jan 25, 2007
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Application
Method for producing single crystal and single crystal
Publication number
20060174819
Publication date
Aug 10, 2006
Shin-Etsu Handotai Co., Ltd.
Nobuaki Mitamura
C30 - CRYSTAL GROWTH
Information
Patent Application
Process for producing single crystal and single crystal
Publication number
20060130740
Publication date
Jun 22, 2006
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Application
Soi wafer and production method therefor
Publication number
20060113594
Publication date
Jun 1, 2006
Shin-Etsu Handotai Co., Ltd.
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Application
Soi wafer and method for manufacturing same
Publication number
20060086313
Publication date
Apr 27, 2006
SHIN-ETSU HANDOTAI CO LTD
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Application
Annealed wafer and anneald wafer manufacturing method
Publication number
20060075957
Publication date
Apr 13, 2006
Hiroshi Takeno
C30 - CRYSTAL GROWTH
Information
Patent Application
Process for producing p doped silicon single crystal and p doped n...
Publication number
20060065184
Publication date
Mar 30, 2006
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Application
Silicon single crystal wafer and epitaxial wafer, and method for pr...
Publication number
20050252441
Publication date
Nov 17, 2005
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Application
Graphite heater for producing single crystal, single crystal produc...
Publication number
20050205004
Publication date
Sep 22, 2005
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Application
Soi wafer and method for manufacturing soi wafer
Publication number
20050064632
Publication date
Mar 24, 2005
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Application
Silicon single crystal wafer and method for producing silicon singl...
Publication number
20030116082
Publication date
Jun 26, 2003
Masahiro Sakurada
C30 - CRYSTAL GROWTH
Information
Patent Application
Silicon single crystal wafer and method for manufacturing the same
Publication number
20030106484
Publication date
Jun 12, 2003
Izumi Fusegawa
C30 - CRYSTAL GROWTH
Information
Patent Application
Silicon single crystal wafer and a method for producing it
Publication number
20010000093
Publication date
Apr 5, 2001
Shin-Etsu Handotai Co., Ltd.,
Masahiro Sakurada
C30 - CRYSTAL GROWTH