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Shinsuke Sadamitsu
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Patents Grants
last 30 patents
Information
Patent Grant
High resistivity silicon wafers
Patent number
8,252,404
Issue date
Aug 28, 2012
Sumitomo Mitsubishi Silicon Corporation
Shinsuke Sadamitsu
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Process for producing high-resistance silicon wafers and process fo...
Patent number
7,803,228
Issue date
Sep 28, 2010
Sumco Corporation
Kazunari Kurita
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for manufacturing silicon wafer method
Patent number
7,700,394
Issue date
Apr 20, 2010
Sumco Corporation
Shinsuke Sadamitsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High resistance silicon wafer and its manufacturing method
Patent number
7,397,110
Issue date
Jul 8, 2008
Sumitomo Mitsubishi Silicon Corporation
Nobumitsu Takase
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-resistance silicon wafer and process for producing the same
Patent number
7,316,745
Issue date
Jan 8, 2008
Sumco Corporation
Shinsuke Sadamitsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High resistivity silicon wafer and method for fabricating the same
Patent number
7,226,571
Issue date
Jun 5, 2007
Sumitomo Mitsubishi Silicon Corporation
Nobumitsu Takase
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Manufacturing method of high resistivity silicon single crystal
Patent number
7,220,308
Issue date
May 22, 2007
Sumitomo Mitsubishi Silicon Corporation
Nobumitsu Takase
C30 - CRYSTAL GROWTH
Information
Patent Grant
Evaluation method of IG effectivity in semiconductor silicon substr...
Patent number
6,803,242
Issue date
Oct 12, 2004
Sumitomo Mitsubishi Silicon Corporation
Takayuki Kihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon single crystal, silicon wafer, and epitaxial wafer.
Patent number
6,641,888
Issue date
Nov 4, 2003
Sumitomo Mitsubishi Silicon Corporation
Eiichi Asayama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method for manufacturing semiconductor silicon epitaxial wafer and...
Patent number
6,277,193
Issue date
Aug 21, 2001
Sumitomo Metal Industries, Ltd.
Shinsuke Sadamitsu
C30 - CRYSTAL GROWTH
Information
Patent Grant
Semiconductor silicon wafer, semiconductor silicon wafer fabricatio...
Patent number
6,129,787
Issue date
Oct 10, 2000
Sumitomo Metal Industries, Ltd.
Naoshi Adachi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SILICON EPITAXIAL WAFER AND PRODUCTION METHOD FOR SAME
Publication number
20110171814
Publication date
Jul 14, 2011
SUMCO CORPORATION
Shinsuke Sadamitsu
C30 - CRYSTAL GROWTH
Information
Patent Application
Silicon epitaxial wafer and production method for same
Publication number
20090017291
Publication date
Jan 15, 2009
Shinsuke Sadamitsu
C30 - CRYSTAL GROWTH
Information
Patent Application
Method for Manufacturing Silicon Wafer and Silicon Wafer Manufactur...
Publication number
20080118424
Publication date
May 22, 2008
Shinsuke Sadamitsu
C30 - CRYSTAL GROWTH
Information
Patent Application
Process for producing high-resistance silicon wafers and process fo...
Publication number
20070066033
Publication date
Mar 22, 2007
Kazunari Kurita
C30 - CRYSTAL GROWTH
Information
Patent Application
High resistance silicon wafer and method for production thereof
Publication number
20050253221
Publication date
Nov 17, 2005
SUMITOMO MITSUBISHI SILICON CORPORATION
Nobumitsu Takase
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High-resistance silicon wafer and process for producing the same
Publication number
20050250349
Publication date
Nov 10, 2005
Sumitomo Mitsubishi Silicon Corporation
Shinsuke Sadamitsu
C30 - CRYSTAL GROWTH
Information
Patent Application
High resistivity silicon wafer and method for fabricating the same
Publication number
20050127477
Publication date
Jun 16, 2005
Nobumitsu Takase
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High resistivity silicon wafers
Publication number
20050103256
Publication date
May 19, 2005
Shinsuke Sadamitsu
C30 - CRYSTAL GROWTH
Information
Patent Application
Manufacturing method of high resistivity silicon single crystal
Publication number
20050000410
Publication date
Jan 6, 2005
Nobumitsu Takase
C30 - CRYSTAL GROWTH
Information
Patent Application
Evaluation method of IG effectivity in semiconductor silicon substr...
Publication number
20030203519
Publication date
Oct 30, 2003
Takayuki Kihara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Silicon single crystal, silicon wafer, and epitaxial wafer
Publication number
20020142171
Publication date
Oct 3, 2002
SUMITOMO METAL INDUSTRIES, LTD.
Eiichi Asayama
C30 - CRYSTAL GROWTH
Information
Patent Application
Silicon single crystal, silicon wafer, and epitaxial wafer
Publication number
20020142170
Publication date
Oct 3, 2002
SUMITOMO METAL INDUSTRIES, LTD.
Eiichi Asayama
C30 - CRYSTAL GROWTH