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Shinsuke Nakagawa
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Ibaraki-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Data storage device with notch filter calibration based on multi-ra...
Patent number
11,915,731
Issue date
Feb 27, 2024
Western Digital Technologies, Inc.
Shinsuke Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device with notch filter calibration based on multi-ra...
Patent number
11,817,122
Issue date
Nov 14, 2023
Western Digital Technologies, Inc.
Shinsuke Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device computing notch filters for multiple temperatures
Patent number
10,629,234
Issue date
Apr 21, 2020
Western Digital Technologies, Inc.
Hengchang Guo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic head drive device with micro-actuators of end arms rotatin...
Patent number
8,699,166
Issue date
Apr 15, 2014
HGST Netherlands B.V.
Kenji Suzuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Flexible-printed-circuit voice-coil assembly configured for integra...
Patent number
8,514,523
Issue date
Aug 20, 2013
HGST Netherlands B.V.
Kenji Suzuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk drive having dual actuator
Patent number
7,869,157
Issue date
Jan 11, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Masaki Nagashima
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device with positioning control
Patent number
7,474,494
Issue date
Jan 6, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Takenori Atsumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk apparatus with dual stage actuator
Patent number
7,173,790
Issue date
Feb 6, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Masahito Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device
Patent number
6,950,273
Issue date
Sep 27, 2005
Hitachi, Ltd.
Shinsuke Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Positioning control device
Patent number
6,922,304
Issue date
Jul 26, 2005
Hitachi, Ltd.
Shinsuke Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Positioning control apparatus
Patent number
6,819,522
Issue date
Nov 16, 2004
Hitachi, Ltd.
Takenori Atsumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Positioning control method
Patent number
6,744,591
Issue date
Jun 1, 2004
Hitachi, Ltd.
Shinsuke Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk storage device and head positioning method
Patent number
6,738,218
Issue date
May 18, 2004
Hitachi, Ltd.
Yosuke Hamada
G11 - INFORMATION STORAGE
Information
Patent Grant
NF3 treating process
Patent number
6,342,194
Issue date
Jan 29, 2002
Central Glass Company, Limited
Takayuki Ishibashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for decomposing halide-containing gas
Patent number
5,817,284
Issue date
Oct 6, 1998
Central Glass Company, Limited
Hisaji Nakano
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Capstanless tape driving method and information recording and repro...
Patent number
5,720,442
Issue date
Feb 24, 1998
Hitachi, Ltd.
Norihisa Yanagihara
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for analyzing fluorine containing gases
Patent number
5,149,659
Issue date
Sep 22, 1992
Central Glass Company, Limited
Kohzo Hakuta
G01 - MEASURING TESTING
Information
Patent Grant
Method for analyzing fluorine containing gases
Patent number
5,017,499
Issue date
May 21, 1991
Central Glass Company, Limited
Kohzo Hakuta
G01 - MEASURING TESTING
Information
Patent Grant
Method of refining rare gas fluoride excimer laser gas
Patent number
4,964,137
Issue date
Oct 16, 1990
Central Glass Company, Limited
Minoru Aramaki
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
DATA STORAGE DEVICE WITH NOTCH FILTER CALIBRATION BASED ON MULTI-RA...
Publication number
20240071415
Publication date
Feb 29, 2024
Western Digital Technologies, Inc.
Shinsuke Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Application
FLEXIBLE-PRINTED-CIRCUIT VOICE-COIL ASSEMBLY CONFIGURED FOR INTEGRA...
Publication number
20130027814
Publication date
Jan 31, 2013
Kenji Suzuki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic Head Drive Device
Publication number
20110141614
Publication date
Jun 16, 2011
Kenji Suzuki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic Disk Drive Having Dual Actuator
Publication number
20090310250
Publication date
Dec 17, 2009
Hitachi Global Storage Technologies Netherlands, B.V.
Masaki Nagashima
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk device with positioning control
Publication number
20060291088
Publication date
Dec 28, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Takenori Atsumi
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk apparatus with dual stage actuator
Publication number
20060039079
Publication date
Feb 23, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Masahito Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Application
Positioning control device
Publication number
20040080863
Publication date
Apr 29, 2004
Shinsuke Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Positioning control apparatus
Publication number
20030095354
Publication date
May 22, 2003
Takenori Atsumi
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk device
Publication number
20030076617
Publication date
Apr 24, 2003
Shinsuke Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Application
NF3 treating process
Publication number
20020061269
Publication date
May 23, 2002
Central Glass Company, Limited
Takayuki Ishibashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Positioning control method
Publication number
20010006438
Publication date
Jul 5, 2001
Shinsuke Nakagawa
G11 - INFORMATION STORAGE