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Hiroyuki Yamada
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Kusatsu, JP
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last 30 patents
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Patent Grant
Li2O-Al2O3-SiO2 crystallized glass and crystallizable glass therefor
Patent number
6,472,338
Issue date
Oct 29, 2002
Nippon Electric Glass Co., Ltd.
Narutoshi Shimatani
C03 - GLASS MINERAL OR SLAG WOOL
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Patent Grant
Li2O-Al2O3-SiO2 crystallized glass and crystallizable glass therefor
Patent number
6,413,906
Issue date
Jul 2, 2002
Nippon Electric Glass Co., Ltd.
Narutoshi Shimatani
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Li2O-Al2O3-SiO2 type transparent crystallized glass
Patent number
6,358,869
Issue date
Mar 19, 2002
Nippon Electric Glass Co., Ltd.
Hiroyuki Yamada
C03 - GLASS MINERAL OR SLAG WOOL