Katsuyuki Iwata

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Shinjuku-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Glass substrate for magnetic disk and manufacturing method of the same
- Patent number 8,783,063
- Issue date Jul 22, 2014
- Hoya Corporation
- Kinobu Osakabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass substrate for magnetic recording medium and its use
- Patent number 8,652,660
- Issue date Feb 18, 2014
- Hoya Corporation
- Hideki Isono
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing glass substrate for magnetic disk and meth...
- Patent number 8,613,206
- Issue date Dec 24, 2013
- Hoya Corporation
- Katsuyuki Iwata
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for producing glass substrate for magnetic disk and method f...
- Patent number 8,413,464
- Issue date Apr 9, 2013
- Hoya Corporation
- Katsuyuki Iwata
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass substrate for magnetic disk and manufacturing method of the same
- Patent number 8,119,267
- Issue date Feb 21, 2012
- Hoya Corporation
- Kinobu Osakabe
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM AND ITS USE
- Publication number 20120188663
- Publication date Jul 26, 2012
- HOYA CORPORATION
- Hideki ISONO
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS SUBSTRATE FOR MAGNETIC DISK AND MANUFACTURING METHOD OF THE SAME
- Publication number 20120135153
- Publication date May 31, 2012
- HOYA CORPORATION
- Kinobu OSAKABE
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS SUBSTRATE FOR MAGNETIC DISK AND MANUFACTURING METHOD OF THE SAME
- Publication number 20100190038
- Publication date Jul 29, 2010
- HOYA CORPORATION
- Kinobu Osakabe
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR PRODUCING GLASS SUBSTRATE FOR MAGNETIC DISK AND METHOD F...
- Publication number 20090277222
- Publication date Nov 12, 2009
- HOYA CORPORATION
- Katsuyuki Iwata
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK AND METH...
- Publication number 20090280241
- Publication date Nov 12, 2009
- HOYA CORPORATION
- Katsuyuki Iwata
- G11 - INFORMATION STORAGE
Information Patent Application
Method for manufacturing magnetic disk glass substrate and method f...
- Publication number 20070003796
- Publication date Jan 4, 2007
- Hoya Corporation
- Hideki Isono
- G11 - INFORMATION STORAGE