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Takashi MAEDA
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Shinjuku-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic-disk substrate having a small waviness, for use as a magne...
Patent number
9,865,293
Issue date
Jan 9, 2018
Hoya Corporation
Takashi Maeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic-disk substrate having a small waviness, for use as a magne...
Patent number
9,711,175
Issue date
Jul 18, 2017
Hoya Corporation
Takashi Maeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass substrate for a magnetic disk, magnetic disk and method of ma...
Patent number
9,105,293
Issue date
Aug 11, 2015
Hoya Corporation
Kouji Kitsunai
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass substrate for a magnetic disk and magnetic disk
Patent number
9,085,486
Issue date
Jul 21, 2015
Hoya Corporation
Shinji Eda
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass substrate for a magnetic disk and magnetic disk
Patent number
8,785,010
Issue date
Jul 22, 2014
Hoya Corporation
Shinji Eda
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass substrate for a magnetic disk, magnetic disk and method of ma...
Patent number
8,623,530
Issue date
Jan 7, 2014
Hoya Corporation
Kouji Kitsunai
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass substrate for a magnetic disk, magnetic disk and method of ma...
Patent number
8,241,769
Issue date
Aug 14, 2012
Hoya Corporation
Kouji Kitsunai
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
MAGNETIC-DISK SUBSTRATE HAVING A SMALL WAVINESS, FOR USE AS A MAGNE...
Publication number
20170256278
Publication date
Sep 7, 2017
HOYA CORPORATION
Takashi MAEDA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC-DISK SUBSTRATE, MAGNETIC DISK, AND MAGNETIC-DISK DRIVE DEVICE
Publication number
20160329073
Publication date
Nov 10, 2016
HOYA CORPORATION
Takashi MAEDA
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS SUBSTRATE FOR A MAGNETIC DISK AND MAGNETIC DISK
Publication number
20140287269
Publication date
Sep 25, 2014
HOYA CORPORATION
Shinji EDA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
GLASS SUBSTRATE FOR A MAGNETIC DISK, MAGNETIC DISK AND METHOD OF MA...
Publication number
20140085750
Publication date
Mar 27, 2014
HOYA CORPORATION
Kouji KITSUNAI
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS SUBSTRATE FOR A MAGNETIC DISK, MAGNETIC DISK AND METHOD OF MA...
Publication number
20120282493
Publication date
Nov 8, 2012
HOYA CORPORATION
Kouji KITSUNAI
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS SUBSTRATE FOR A MAGNETIC DISK AND MAGNETIC DISK
Publication number
20110171415
Publication date
Jul 14, 2011
HOYA CORPORATION
Shinji Eda
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS SUBSTRATE FOR A MAGNETIC DISK, MAGNETIC DISK AND METHOD OF MA...
Publication number
20100273030
Publication date
Oct 28, 2010
HOYA CORPORATION
Kouji KITSUNAI
G11 - INFORMATION STORAGE