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Jun Naka
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Kyoto-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Alkali-free glass and method for producing the same
Patent number
6,933,253
Issue date
Aug 23, 2005
Nippon Electric Glass Co., Ltd.
Jun Naka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of producing an alkali-free glass
Patent number
6,546,753
Issue date
Apr 15, 2003
Nippon Electric Glass Co. Ltd.
Jun Naka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Alkali-free glass and method for producing the same
Patent number
6,508,083
Issue date
Jan 21, 2003
Nippon Electric Glass Co., Ltd.
Jun Naka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass fiber forming composition, glass fibers obtained from the com...
Patent number
5,407,872
Issue date
Apr 18, 1995
Matsushita Electric Works Ltd.
Kiyotaka Komori
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Substrate for circuit board including the glass fibers as reinforci...
Patent number
5,334,645
Issue date
Aug 2, 1994
Matsushita Electric Works, Ltd.
Kiyotaka Komori
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass fiber forming composition, glass fibers obtained from the com...
Patent number
5,284,807
Issue date
Feb 8, 1994
Matsushita Electric Works, Ltd.
Kiyotaka Komori
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
Alkali-free glass and method for producing the same
Publication number
20030121288
Publication date
Jul 3, 2003
NIPPON ELECTRIC GLASS CO., LTD.
Jun Naka
G02 - OPTICS
Information
Patent Application
Method of producing an alkali-free glass
Publication number
20020011080
Publication date
Jan 31, 2002
NIPPON ELECTRIC GLASS CO., LTD.
Jun Naka
C03 - GLASS MINERAL OR SLAG WOOL