Masashi Kisaka

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hard-disk drive
- Patent number 7,864,484
- Issue date Jan 4, 2011
- Hitachi Global Storage Technologies, Netherlands, B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive and controlling method thereof
- Patent number 7,859,787
- Issue date Dec 28, 2010
- Hitachi Global Storage Technologies, Netherlands, B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording disk and disk drive
- Patent number 7,724,464
- Issue date May 25, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Infinite impulse response filter circuit and magnetic disk drive
- Patent number 7,702,012
- Issue date Apr 20, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive
- Patent number 7,626,780
- Issue date Dec 1, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo information write method and apparatus
- Patent number 7,573,667
- Issue date Aug 11, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Drive unit
- Patent number 7,561,369
- Issue date Jul 14, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Kazuaki Usui
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive
- Patent number 7,538,964
- Issue date May 26, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk medium, magnetic disk drive, and method for detecting...
- Patent number 7,474,485
- Issue date Jan 6, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Shock resistant, high reliability rotating magnetic storage device...
- Patent number 7,408,732
- Issue date Aug 5, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo control for magnetic disk drive
- Patent number 7,317,591
- Issue date Jan 8, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo controller in magnetic disk drive
- Patent number 7,315,430
- Issue date Jan 1, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device, and positioning control method and signal-processing c...
- Patent number 7,203,022
- Issue date Apr 10, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive, positioning method for head, and servo system
- Patent number 7,164,550
- Issue date Jan 16, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotational recording apparatus and control method
- Patent number 7,136,258
- Issue date Nov 14, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Center frequency adjustment for a notch filter
- Patent number 7,031,096
- Issue date Apr 18, 2006
- International Business Machines Corporation
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage apparatus, rotation control apparatus, and rotation co...
- Patent number 7,006,321
- Issue date Feb 28, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Shock resistant, high reliability rotating magnetic storage device
- Patent number 7,002,766
- Issue date Feb 21, 2006
- Hitachi Global Technologies Netherlands, B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Shock control for rotational recording apparatus
- Patent number 6,958,882
- Issue date Oct 25, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Shock resistant, high reliability rotating magnetic storage device
- Patent number 6,754,021
- Issue date Jun 22, 2004
- International Business Machines Corporation
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for controlling an access mechanism within a d...
- Patent number 6,754,031
- Issue date Jun 22, 2004
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk apparatus and head position control method
- Patent number 6,747,832
- Issue date Jun 8, 2004
- Hitachi Global Storage Technologies Netherlands, B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Error recovery in a disk drive
- Patent number 6,490,691
- Issue date Dec 3, 2002
- International Business Machines Corporation
- Junichi Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive, disk control method, data read/write method, data assig...
- Patent number 6,470,412
- Issue date Oct 22, 2002
- International Business Machines Corporation
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for determining head positioning in a magnetic...
- Patent number 6,075,667
- Issue date Jun 13, 2000
- International Business Machines Corporation
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor controller and disk drive unit
- Patent number 5,994,866
- Issue date Nov 30, 1999
- International Business Machines Corporation
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive servo control system with selectable filtering for reduc...
- Patent number 5,923,491
- Issue date Jul 13, 1999
- International Business Machines Corporation
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for fast positioning a head of a recording device
- Patent number 5,859,743
- Issue date Jan 12, 1999
- International Business Machines Corporation
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Position control apparatus and method with a digital filter and a p...
- Patent number 5,822,147
- Issue date Oct 13, 1998
- International Business Machines Corporation
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for controlling the position of an object alon...
- Patent number 5,812,339
- Issue date Sep 22, 1998
- International Business Machines Corporation
- Masashi Kisaka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
HARD-DISK DRIVE
- Publication number 20090296265
- Publication date Dec 3, 2009
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive and controlling method thereof
- Publication number 20090116138
- Publication date May 7, 2009
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Recording disk and disk drive
- Publication number 20090086362
- Publication date Apr 2, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Drive unit
- Publication number 20080297942
- Publication date Dec 4, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Kazuaki Usui
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive
- Publication number 20080259491
- Publication date Oct 23, 2008
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive
- Publication number 20080055766
- Publication date Mar 6, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Infinite impulse response filter circuit and magnetic disk drive
- Publication number 20070189375
- Publication date Aug 16, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Servo information write method and apparatus
- Publication number 20060126203
- Publication date Jun 15, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk medium, magnetic disk drive, and method for detecting...
- Publication number 20060109580
- Publication date May 25, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Servo control for magnetic disk drive
- Publication number 20060103970
- Publication date May 18, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Shock resistant, high reliability rotating magnetic storage device...
- Publication number 20060077587
- Publication date Apr 13, 2006
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive, positioning method for head, and servo system
- Publication number 20060023342
- Publication date Feb 2, 2006
- Hitachi Global Storage Technologies
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Servo controller in magnetic disk drive
- Publication number 20060023343
- Publication date Feb 2, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Disk device, and positioning control method and signal-processing c...
- Publication number 20050270686
- Publication date Dec 8, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Shock resistant, high reliability rotating magnetic storage device
- Publication number 20040190187
- Publication date Sep 30, 2004
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Center frequency adjustment for a notch filter
- Publication number 20040105294
- Publication date Jun 3, 2004
- International Business Machines Corporation
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage apparatus, rotation control apparatus, and rotation co...
- Publication number 20040004782
- Publication date Jan 8, 2004
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Rotational recording apparatus and control method
- Publication number 20030072102
- Publication date Apr 17, 2003
- International Business Machines Corporation
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Shock control for rotational recording apparatus
- Publication number 20030058571
- Publication date Mar 27, 2003
- International Business Machines Corporation
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Disk apparatus and head position control method
- Publication number 20020141097
- Publication date Oct 3, 2002
- International Business Machines Corporation
- Masashi Kisaka
- G11 - INFORMATION STORAGE
Information Patent Application
Shock resistent, high reliability rotating magnetic storage device
- Publication number 20010026413
- Publication date Oct 4, 2001
- Masashi Kisaka
- G11 - INFORMATION STORAGE

Masashi Kisaka

Person

Patents Grantslast 30 patents

Hard-disk drive

Disk drive and controlling method thereof

Recording disk and disk drive

Infinite impulse response filter circuit and magnetic disk drive

Magnetic disk drive

Servo information write method and apparatus

Drive unit

Magnetic disk drive

Magnetic disk medium, magnetic disk drive, and method for detecting...

Shock resistant, high reliability rotating magnetic storage device...

Servo control for magnetic disk drive

Servo controller in magnetic disk drive

Disk device, and positioning control method and signal-processing c...

Disk drive, positioning method for head, and servo system

Rotational recording apparatus and control method

Center frequency adjustment for a notch filter

Data storage apparatus, rotation control apparatus, and rotation co...

Shock resistant, high reliability rotating magnetic storage device

Shock control for rotational recording apparatus

Shock resistant, high reliability rotating magnetic storage device

Method and apparatus for controlling an access mechanism within a d...

Disk apparatus and head position control method

Error recovery in a disk drive

Disk drive, disk control method, data read/write method, data assig...

Method and apparatus for determining head positioning in a magnetic...

Motor controller and disk drive unit

Disk drive servo control system with selectable filtering for reduc...

Method and apparatus for fast positioning a head of a recording device

Position control apparatus and method with a digital filter and a p...

Method and apparatus for controlling the position of an object alon...

Patents Applicationslast 30 patents

HARD-DISK DRIVE

Disk drive and controlling method thereof

Recording disk and disk drive

Drive unit

Magnetic disk drive

Magnetic disk drive

Infinite impulse response filter circuit and magnetic disk drive

Servo information write method and apparatus

Magnetic disk medium, magnetic disk drive, and method for detecting...

Servo control for magnetic disk drive

Shock resistant, high reliability rotating magnetic storage device...

Disk drive, positioning method for head, and servo system

Servo controller in magnetic disk drive

Disk device, and positioning control method and signal-processing c...

Shock resistant, high reliability rotating magnetic storage device

Center frequency adjustment for a notch filter

Data storage apparatus, rotation control apparatus, and rotation co...

Rotational recording apparatus and control method

Shock control for rotational recording apparatus

Disk apparatus and head position control method

Shock resistent, high reliability rotating magnetic storage device