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Masaki Morikawa
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Akita, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Crucible and method for pulling a single crystal
Patent number
8,980,004
Issue date
Mar 17, 2015
Japan Super Quartz Corporation
Masaru Sato
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Silica glass crucible for pulling up silicon single crystal and met...
Patent number
8,951,346
Issue date
Feb 10, 2015
Japan Super Quartz Corporation
Kazuhiro Harada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing fused silica crucible
Patent number
8,887,374
Issue date
Nov 18, 2014
Japan Super Quartz Corporation
Takeshi Fujita
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for manufacturing silicon single crystal
Patent number
8,721,787
Issue date
May 13, 2014
Japan Super Quartz Corporation
Yukinaga Azuma
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method and apparatus for manufacturing fused silica crucible, and t...
Patent number
8,657,957
Issue date
Feb 25, 2014
Japan Super Quartz Corporation
Hiroshi Kishi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Arc discharge method, arc discharge apparatus, and fused silica cru...
Patent number
8,416,833
Issue date
Apr 9, 2013
Japan Super Quartz Corporation
Hiroshi Kishi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Silica glass crucible for pulling up silicon single crystal and met...
Patent number
8,394,198
Issue date
Mar 12, 2013
Japan Super Quartz Corporation
Masaki Morikawa
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Vitreous silica crucible manufacturing apparatus
Patent number
8,240,169
Issue date
Aug 14, 2012
Japan Super Quartz Corporation
Masanori Fukui
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for manufacturing vitreous silica crucible
Patent number
8,196,430
Issue date
Jun 12, 2012
Japan Super Quartz Corporation
Hiroshi Kishi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and apparatus for detecting colored foreign particles in qua...
Patent number
8,164,750
Issue date
Apr 24, 2012
Japan Super Quartz Corporation
Atsushi Shimazu
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Mold for producing a silica crucible
Patent number
8,128,055
Issue date
Mar 6, 2012
Japan Super Quartz Corporation
Takuma Yoshioka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Mold for producing silica crucible
Patent number
8,105,514
Issue date
Jan 31, 2012
Japan Super Quartz Corporation
Takuma Yoshioka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Mold for producing silica crucible
Patent number
8,100,379
Issue date
Jan 24, 2012
Japan Super Quartz Corporation
Takuma Yoshioka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing silica glass crucible for pulling silicon s...
Patent number
8,091,384
Issue date
Jan 10, 2012
Japan Super Quartz Corporation
Tadahiro Sato
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Mold for producing silica crucible
Patent number
8,066,254
Issue date
Nov 29, 2011
Japan Super Quartz Corporation
Takuma Yoshioka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing carbon electrode
Patent number
7,966,715
Issue date
Jun 28, 2011
Japan Super Quartz Corporation
Takeshi Fujita
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF MANUFACTURING CARBON ELECTRODE AND METHOD OF MANUFACTURIN...
Publication number
20110214454
Publication date
Sep 8, 2011
JAPAN SUPER QUARTZ CORPORATION
Takeshi FUJITA
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
METHOD AND APPARATUS FOR MANUFACTURING VITREOUS SILICA CRUCIBLE
Publication number
20100244311
Publication date
Sep 30, 2010
JAPAN SUPER QUARTZ CORPORATION
Hiroshi Kishi
C30 - CRYSTAL GROWTH
Information
Patent Application
CRUCIBLE AND METHOD FOR PULLING A SINGLE CRYSTAL
Publication number
20100180815
Publication date
Jul 22, 2010
JAPAN SUPER QUARTZ CORPORATION
Masaru Sato
C30 - CRYSTAL GROWTH
Information
Patent Application
MOLD FOR PRODUCING SILICA CRUCIBLE
Publication number
20100178374
Publication date
Jul 15, 2010
JAPAN SUPER QUARTZ CORPORATION
Takuma Yoshioka
C30 - CRYSTAL GROWTH
Information
Patent Application
MOLD FOR PRODUCING SILICA CRUCIBLE
Publication number
20100176530
Publication date
Jul 15, 2010
JAPAN SUPER QUARTZ CORPORATION
Takuma Yoshioka
C30 - CRYSTAL GROWTH
Information
Patent Application
MOLD FOR PRODUCING SILICA CRUCIBLE
Publication number
20100178375
Publication date
Jul 15, 2010
JAPAN SUPER QUARTZ CORPORATION
Takuma Yoshioka
C30 - CRYSTAL GROWTH
Information
Patent Application
Vitreous silica crucible manufacturing apparatus
Publication number
20100170298
Publication date
Jul 8, 2010
JAPAN SUPER QUARTZ CORPORATION
Masanori Fukui
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD AND APPARATUS FOR DETECTING COLORED FOREIGN PARTICLES IN QUA...
Publication number
20100165347
Publication date
Jul 1, 2010
JAPAN SUPER QUARTZ CORPORATION
Atsushi Shimazu
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Application
METHOD FOR MANUFACTURING SILICON SINGLE CRYSTAL
Publication number
20100162944
Publication date
Jul 1, 2010
JAPAN SUPER QUARTZ CORPORATION
Yukinaga AZUMA
C30 - CRYSTAL GROWTH
Information
Patent Application
SILICA GLASS CRUCIBLE FOR PULLING UP SILICON SINGLE CRYSTAL AND MET...
Publication number
20100147213
Publication date
Jun 17, 2010
JAPAN SUPER QUARTZ CORPORATION
Kazuhiro HARADA
C30 - CRYSTAL GROWTH
Information
Patent Application
SILICA GLASS CRUCIBLE FOR PULLING UP SILICON SINGLE CRYSTAL AND MET...
Publication number
20100132608
Publication date
Jun 3, 2010
JAPAN SUPER QUARTZ CORPORATION
Masaki MORIKAWA
C30 - CRYSTAL GROWTH
Information
Patent Application
SILICA GLASS CRUCIBLE HAVING MULTILAYERED STRUCTURE
Publication number
20100107970
Publication date
May 6, 2010
JAPAN SUPER QUARTZ CORPORATION
Makiko KODAMA
C30 - CRYSTAL GROWTH
Information
Patent Application
MOLD FOR PRODUCING A SILICA CRUCIBLE
Publication number
20100112115
Publication date
May 6, 2010
JAPAN SUPER QUARTZ CORPORATION
Takuma Yoshioka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
SILICA GLASS CRUCIBLE FOR PULLING UP SILICON SINGLE CRYSTAL, METHOD...
Publication number
20100107965
Publication date
May 6, 2010
JAPAN SUPER QUARTZ CORPORATION
Masanori FUKUI
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD OF MANUFACTURING SILICA GLASS CRUCIBLE FOR PULLING SILICON S...
Publication number
20100107691
Publication date
May 6, 2010
JAPAN SUPER QUARTZ CORPORATION
Tadahiro SATO
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
METHOD OF MANUFACTURING CARBON ELECTRODE AND METHOD OF MANUFACTURIN...
Publication number
20100077611
Publication date
Apr 1, 2010
JAPAN SUPER QUARTZ CORPORATION
Takeshi FUJITA
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
METHOD AND APPARATUS FOR MANUFACTURING FUSED SILICA CRUCIBLE, AND T...
Publication number
20100071613
Publication date
Mar 25, 2010
JAPAN SUPER QUARTZ CORPORATION
Hiroshi KISHI
C30 - CRYSTAL GROWTH
Information
Patent Application
ARC DISCHARGE METHOD, ARC DISCHARGE APPARATUS, AND FUSED SILICA CRU...
Publication number
20100071417
Publication date
Mar 25, 2010
JAPAN SUPER QUARTZ CORPORATION
Hiroshi KISHI
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR