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Yoshio Takegawa
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Kawasaki, JP
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last 30 patents
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Patent Grant
Glass composition and substrate for plasma display
Patent number
5,780,373
Issue date
Jul 14, 1998
Asahi Glass Company Ltd.
Osamu Yanagisawa
C03 - GLASS MINERAL OR SLAG WOOL
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Patent Grant
Glass composition and substrate for plasma display
Patent number
5,631,195
Issue date
May 20, 1997
Asahi Glass Company Ltd.
Osamu Yanagisawa
C03 - GLASS MINERAL OR SLAG WOOL