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Kenichi Nishimori
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Shinjuku-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic disk substrate with specified changes in height or depth b...
Patent number
10,607,647
Issue date
Mar 31, 2020
Hoya Corporation
Toshio Takizawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk substrate with specified changes in height or depth b...
Patent number
9,697,861
Issue date
Jul 4, 2017
Hoya Corporation
Toshio Takizawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk substrate with offset portion on a main surface withi...
Patent number
9,183,866
Issue date
Nov 10, 2015
Hoya Corporation
Toshio Takizawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk substrate, magnetic disk, and magnetic disk device
Patent number
8,986,859
Issue date
Mar 24, 2015
Hoya Corporation
Toshio Takizawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk substrate, magnetic disk, and magnetic disk device
Patent number
8,241,768
Issue date
Aug 14, 2012
Hoya Corporation
Toshio Takizawa
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC DISK SUBSTRATE WITH SPECIFIED CHANGES IN HEIGHT OR DEPTH B...
Publication number
20170270956
Publication date
Sep 21, 2017
HOYA CORPORATION
Toshio TAKIZAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK SUBSTRATE WITH OFFSET PORTION ON A MAIN SURFACE WITHI...
Publication number
20150340054
Publication date
Nov 26, 2015
HOYA CORPORATION
Toshio TAKIZAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK SUBSTRATE, MAGNETIC DISK, AND MAGNETIC DISK DEVICE
Publication number
20120276416
Publication date
Nov 1, 2012
HOYA GLASS DISK (THAILAND) LTD.
Toshio TAKIZAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK SUBSTRATE
Publication number
20100226042
Publication date
Sep 9, 2010
HOYA CORPORATION
Kenichi Nishimori
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK SUBSTRATE, MAGNETIC DISK, AND MAGNETIC DISK DEVICE
Publication number
20100040907
Publication date
Feb 18, 2010
HOYA CORPORATION
Toshio Takizawa
G11 - INFORMATION STORAGE