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Shunji KURAGAKI
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Heat shielding member, single crystal pulling apparatus, and method...
Patent number
11,473,210
Issue date
Oct 18, 2022
Sumco Corporation
Kaoru Kajiwara
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for evaluating metal contamination of silicon single crystal
Patent number
8,801,854
Issue date
Aug 12, 2014
Sumco Corporation
Shunji Kuragaki
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for evaluating metal contamination of silicon single crystal
Patent number
8,475,589
Issue date
Jul 2, 2013
Sumco Corporation
Shunji Kuragaki
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
HEAT SHIELDING MEMBER, SINGLE CRYSTAL PULLING APPARATUS, AND METHOD...
Publication number
20200224327
Publication date
Jul 16, 2020
SUMCO CORPORATION
Kaoru KAJIWARA
C30 - CRYSTAL GROWTH
Information
Patent Application
METHOD FOR EVALUATING METAL CONTAMINATION OF SILICON SINGLE CRYSTAL
Publication number
20130269595
Publication date
Oct 17, 2013
Shunji KURAGAKI
C30 - CRYSTAL GROWTH
Information
Patent Application
PRODUCTION METHOD OF SILICON SINGLE CRYSTAL
Publication number
20090293801
Publication date
Dec 3, 2009
SUMCO CORPORATION
Shunji KURAGAKI
C30 - CRYSTAL GROWTH
Information
Patent Application
Method for evaluating metal contamination of silicon single crystal
Publication number
20090255456
Publication date
Oct 15, 2009
Shunji KURAGAKI
C30 - CRYSTAL GROWTH
Information
Patent Application
Method for fabricating silicone single crystal
Publication number
20030140843
Publication date
Jul 31, 2003
Tadashi Kanda
C30 - CRYSTAL GROWTH