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Ken-ichi Hiroshima
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Akita, JP
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last 30 patents
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Patent Grant
Method for preparing and regenerating a composite crucible
Patent number
6,808,744
Issue date
Oct 26, 2004
Mitsubishi Material Quartz Corporation
Yoshiyuki Tsuji
C03 - GLASS MINERAL OR SLAG WOOL
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Patent Grant
Composite crucible, and preparation method and regeneration method...
Patent number
6,524,668
Issue date
Feb 25, 2003
Mitsubishi Material Quartz Corporation
Yoshiyuki Tsuji
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
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Patent Application
Method for preparing and regenerating a composite crucible
Publication number
20030113449
Publication date
Jun 19, 2003
Yoshiyuki Tsuji
C30 - CRYSTAL GROWTH