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Toshio Yamanaka
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Otsu, JP
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last 30 patents
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Patent Grant
Lead-free tin silicate-phosphate glass and sealing material contain...
Patent number
6,617,269
Issue date
Sep 9, 2003
Nippon Electric Glass Co. Ltd.
Toshio Yamanaka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Antibacterial glass and resin composite comprising the same
Patent number
6,410,633
Issue date
Jun 25, 2002
Nippon Electric Glass Co., Ltd.
Hajime Hikata
A46 - BRUSHWARE
Information
Patent Grant
Tin borophosphate glass comprising SnO, B2O3, and P2O5 as main comp...
Patent number
6,306,783
Issue date
Oct 23, 2001
Nippon Electric Glass Co., Ltd.
Toshio Yamanaka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Sealing material
Patent number
5,075,261
Issue date
Dec 24, 1991
Nippon Electric Glass Co., Ltd.
Toshio Yamanaka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Sealing glass composition with filler containing Fe and W partially...
Patent number
4,883,777
Issue date
Nov 28, 1989
Nippon Electric Glass Company, Limited
Toshio Yamanaka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Low temperature sealing composition with synthetic zircon
Patent number
4,774,208
Issue date
Sep 27, 1988
Nippon Electric Glass Company, Limited
Toshio Yamanaka
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Sealing glass composition with lead calcium titanate filler
Patent number
4,710,479
Issue date
Dec 1, 1987
Nippon Electric Glass Company, Limited
Toshio Yamanaka
C03 - GLASS MINERAL OR SLAG WOOL