Membership
Tour
Register
Log in
Shuichi Hashimoto
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Eccentricity correction data recording method and recording medium...
Patent number
7,365,927
Issue date
Apr 29, 2008
Fujitsu Limited
Kohei Takamatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Resonance-frequency measuring method determining a resonance freque...
Patent number
7,164,261
Issue date
Jan 16, 2007
Fujitsu Limited
Shuichi Hashimoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Head control method and recording apparatus
Patent number
7,002,769
Issue date
Feb 21, 2006
Fujitsu Limited
Yoshiyuki Kagami
G11 - INFORMATION STORAGE
Information
Patent Grant
Resonance-frequency measuring method determining a resonance freque...
Patent number
6,774,615
Issue date
Aug 10, 2004
Fujitsu Limited
Susumu Yoshida
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk apparatus and magnetic disk medium
Patent number
6,191,902
Issue date
Feb 20, 2001
Fujitsu Limited
Yoshihiro Hashimura
G11 - INFORMATION STORAGE
Information
Patent Grant
Head position control for a disk drive which performs recording abo...
Patent number
6,128,153
Issue date
Oct 3, 2000
Fujitsu Limited
Susumu Hasegawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Mask including optical shield layer having variable light transmitt...
Patent number
6,048,648
Issue date
Apr 11, 2000
NEC Corporation
Shuichi Hashimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and circuit for controlling head position
Patent number
6,009,052
Issue date
Dec 28, 1999
Fujitsu Limited
Shuichi Hashimoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Head positioning control system for disk drives each formed by asse...
Patent number
5,995,318
Issue date
Nov 30, 1999
Fujitsu Limited
Susumu Hasegawa
G11 - INFORMATION STORAGE
Information
Patent Grant
High density disk unit and disk medium
Patent number
5,903,404
Issue date
May 11, 1999
Fujitsu Limited
Hiroshi Tsurumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Head positioning control apparatus of disk drive and method of cont...
Patent number
5,844,744
Issue date
Dec 1, 1998
Fujitsu Limited
Nobuyuki Suzuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Head position demodulating method
Patent number
5,831,787
Issue date
Nov 3, 1998
Fujitsu Limited
Susumu Yoshida
G11 - INFORMATION STORAGE
Information
Patent Grant
Photo-mask used in aligner for exactly transferring main pattern as...
Patent number
5,786,113
Issue date
Jul 28, 1998
NEC Corporation
Shuichi Hashimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus and method of reproducing synchronization signal in disc...
Patent number
5,724,204
Issue date
Mar 3, 1998
Fujitsu Limited
Tohru Shinohara
G11 - INFORMATION STORAGE
Information
Patent Grant
Mask having a pattern for detecting illuminance nonuniformity
Patent number
5,709,970
Issue date
Jan 20, 1998
NEC Corporation
Shuichi Hashimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Disk drive and method for retrying a read operation upon detecting...
Patent number
5,682,272
Issue date
Oct 28, 1997
Fujitsu Limited
Yuichi Taroda
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of and apparatus for regenerating partial-response record si...
Patent number
5,625,505
Issue date
Apr 29, 1997
Fujitsu Limited
Hideki Ohmori
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for eliminating noises with a read operation o...
Patent number
5,566,296
Issue date
Oct 15, 1996
Fujitsu Limited
Hideki Ohmori
G11 - INFORMATION STORAGE
Information
Patent Grant
Head position detecting method and apparatus
Patent number
5,523,900
Issue date
Jun 4, 1996
Fujitsu Limited
Tatsuhiko Kosugi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk unit having a plurality of magnetic heads
Patent number
5,432,659
Issue date
Jul 11, 1995
Fujitsu Limited
Tatsuhiko Kosugi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for positioning head on target cylinder of disk
Patent number
5,311,379
Issue date
May 10, 1994
Fujitsu Limited
Tohru Shinohara
G11 - INFORMATION STORAGE
Information
Patent Grant
Track access control system preventing unintentional delay in movem...
Patent number
5,231,550
Issue date
Jul 27, 1993
Fujitsu Limited
Shuichi Hashimoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo circuit for magnetic disk apparatus
Patent number
5,204,932
Issue date
Apr 20, 1993
Fujitsu Limited
Tohru Shinohara
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo circuit
Patent number
5,194,788
Issue date
Mar 16, 1993
Fujitsu Limited
Shuichi Hashimoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo circuit control method and system
Patent number
5,194,798
Issue date
Mar 16, 1993
Fujitsu Limited
Shuichi Hashimoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo positioning circuit
Patent number
5,173,647
Issue date
Dec 22, 1992
Fujitsu Limited
Shuichi Hashimoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Automatic adjustment method and system for servo motor circuit of a...
Patent number
5,063,454
Issue date
Nov 5, 1991
Fujitsu Limited
Shuichi Hashimoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo circuit
Patent number
4,965,501
Issue date
Oct 23, 1990
Fujitsu Limited
Shuichi Hashimoto
G05 - CONTROLLING REGULATING
Information
Patent Grant
Servo amplifier circuit
Patent number
4,908,561
Issue date
Mar 13, 1990
Fujitsu Limited
Shuichi Hashimoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Data modulation and demodulation system for magnetic recording system
Patent number
4,866,544
Issue date
Sep 12, 1989
Fujitsu Limited
Shuichi Hashimoto
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Eccentricity correction data recording method and recording medium...
Publication number
20050057837
Publication date
Mar 17, 2005
FUJITSU LIMITED
Kohei Takamatsu
G11 - INFORMATION STORAGE
Information
Patent Application
Head control method and recording apparatus
Publication number
20050041322
Publication date
Feb 24, 2005
FUJITSU LIMITED
Yoshiyuki Kagami
G11 - INFORMATION STORAGE
Information
Patent Application
Resonance-frequency measuring method determining a resonance freque...
Publication number
20040196053
Publication date
Oct 7, 2004
Fujitsu Limited
Shuichi Hashimoto
G11 - INFORMATION STORAGE
Information
Patent Application
Resonance-frequency measuring method determining a resonance freque...
Publication number
20030057935
Publication date
Mar 27, 2003
FUJITSU LIMITED
Susumu Yoshida
G11 - INFORMATION STORAGE