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Kiyoshi KOJIMA
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Yorii-Machi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Evaluation method for bulk silicon carbide single crystals and refe...
Patent number
10,048,142
Issue date
Aug 14, 2018
Showa Denko K.K.
Kiyoshi Kojima
G01 - MEASURING TESTING
Information
Patent Grant
Method for evaluating internal stress of silicon carbide monocrysta...
Patent number
10,031,089
Issue date
Jul 24, 2018
Showa Denko K.K.
Kiyoshi Kojima
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
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Patent Application
EVALUATION METHOD FOR BULK SILICON CARBIDE SINGLE CRYSTALS AND REFE...
Publication number
20170199092
Publication date
Jul 13, 2017
NIPPON STEEL & SUMIKIN MATERIALS CO., LTD.
Kiyoshi KOJIMA
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR EVALUATING INTERNAL STRESS OF SILICON CARBIDE MONOCRYSTA...
Publication number
20160231256
Publication date
Aug 11, 2016
NIPPON STEEL & SUMIKIN MATERIALS CO., LTD.
Kiyoshi Kojima
C30 - CRYSTAL GROWTH
Information
Patent Application
SILICON CARBIDE SINGLE CRYSTAL WAFER AND METHOD OF MANUFACTURING A...
Publication number
20160215414
Publication date
Jul 28, 2016
NIPPON STEEL & SUMIKIN MATERIALS CO., LTD.
Masashi NAKABAYASHI
C30 - CRYSTAL GROWTH