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Katsuhiko Imai
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Otsu, JP
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last 30 patents
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Patent Grant
SiO.sub.2 -Al.sub.2 O.sub.3 -BaO glass substrates with improved che...
Patent number
4,994,415
Issue date
Feb 19, 1991
Nippon Electric Glass Company, Limited
Katsuhiko Imai
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Translucent glass brick made of opal glass with light diffusible cr...
Patent number
4,887,404
Issue date
Dec 19, 1989
Nippon Electric Glass Company, Limited
Kosaburo Saji
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Low dielectric fiber glass composition having improved water resist...
Patent number
4,762,809
Issue date
Aug 9, 1988
Nippon Electric Glass Company, Limited
Katsuhiko Imai
C03 - GLASS MINERAL OR SLAG WOOL