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Naohiro Kamiya
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic disk glass substrate manufacturing method
Patent number
7,703,303
Issue date
Apr 27, 2010
Hoya Corporation
Hideki Isono
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Chemical strengthening treatment method of magnetic disk glass subs...
Patent number
7,694,530
Issue date
Apr 13, 2010
Hoya Corporation
Naohiro Kamiya
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Chemical strengthening treatment method of magnetic disk glass subs...
Publication number
20070039353
Publication date
Feb 22, 2007
Naohiro Kamiya
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk glass substrate manufacturing method and magnetic dis...
Publication number
20050284179
Publication date
Dec 29, 2005
Hoya Corporation
Hideki Isono
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Method of manufacturing a glass substrate for a magnetic disk and m...
Publication number
20050172670
Publication date
Aug 11, 2005
Hoya Corporation
Naohiro Kamiya
G11 - INFORMATION STORAGE