Membership
Tour
Register
Log in
Yoshiteru Ishida
Follow
Person
Chigasaki, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Write/read apparatus to control overwriting
Patent number
7,558,931
Issue date
Jul 7, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Yoshiteru Ishida
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk drive and magnetic disk medium
Patent number
7,408,733
Issue date
Aug 5, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Naoki Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Reproduced signal processing method, reproduced signal processing c...
Patent number
6,104,331
Issue date
Aug 15, 2000
Hitachi, Ltd.
Yoshiteru Ishida
G11 - INFORMATION STORAGE
Information
Patent Grant
Signal processing delay circuit
Patent number
5,878,097
Issue date
Mar 2, 1999
Hitachi, Ltd.
Kenichi Hase
G11 - INFORMATION STORAGE
Information
Patent Grant
Signal processing delay circuit
Patent number
5,636,254
Issue date
Jun 3, 1997
Hitachi, Ltd.
Kenichi Hase
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk drive including a data discrimination apparatus capab...
Patent number
5,625,632
Issue date
Apr 29, 1997
Hitachi, Ltd.
Yoshiteru Ishida
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording/reproducing apparatus having a clock timing e...
Patent number
5,553,104
Issue date
Sep 3, 1996
Hitachi, Ltd.
Terumi Takashi
G11 - INFORMATION STORAGE
Information
Patent Grant
AGC circuit and recording and reproducing apparatus using AGC circuit
Patent number
5,448,424
Issue date
Sep 5, 1995
Hitachi, Ltd.
Akihiko Hirano
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Magnetic disk drive and magnetic disk medium
Publication number
20090015960
Publication date
Jan 15, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Naoki Satoh
G11 - INFORMATION STORAGE
Information
Patent Application
Data recording apparatus, recording medium and error detection method
Publication number
20080025178
Publication date
Jan 31, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Yasuhiro Takase
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Magnetic disk drive and magnetic disk medium
Publication number
20060227451
Publication date
Oct 12, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Naoki Satoh
G11 - INFORMATION STORAGE
Information
Patent Application
Write/read apparatus to control overwriting
Publication number
20060069845
Publication date
Mar 30, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Yoshiteru Ishida
G11 - INFORMATION STORAGE
Information
Patent Application
Read/write device, and format management method of read/write device
Publication number
20060047898
Publication date
Mar 2, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Yoshiteru Ishida
G06 - COMPUTING CALCULATING COUNTING