Akira Tokizono

Person

Kanagawa-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic disk drive using femto slider and having predetermined lin...
- Patent number 7,245,457
- Issue date Jul 17, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Kenji Kuroki
- G11 - INFORMATION STORAGE
Information Patent Grant
Bi staple flying height detection by BEMF control profile and data...
- Patent number 7,079,337
- Issue date Jul 18, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Akira Tokizono
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device, control device, off-track control method, and...
- Patent number 7,035,034
- Issue date Apr 25, 2006
- International Business Machines Corporation
- Tetsuo Semba
- G11 - INFORMATION STORAGE
Information Patent Grant
Control method and apparatus for reducing the effects of hard disk...
- Patent number 7,019,921
- Issue date Mar 28, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive unit, controller for actuator, and method for controllin...
- Patent number 6,930,849
- Issue date Aug 16, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Akira Tokizono
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary recording apparatus and method of controlling the apparatus
- Patent number 6,831,809
- Issue date Dec 14, 2004
- International Business Machines Corporation
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for implementing a rotary memory device
- Patent number 6,754,019
- Issue date Jun 22, 2004
- Hitachi Global Storage Technologies Netherlands B.V.
- Akira Tokizono
- G11 - INFORMATION STORAGE
Information Patent Grant
Control method and apparatus for reducing the effects of hard disk...
- Patent number 6,707,634
- Issue date Mar 16, 2004
- Hitachi Global Storage Technologies Netherlands B.V.
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for controlling the positioning of a read/write h...
- Patent number 6,690,537
- Issue date Feb 10, 2004
- Hitachi Global Storage Technologies Netherlands B.V.
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for performing positioning control of a head actu...
- Patent number 6,567,230
- Issue date May 20, 2003
- International Business Machines Corporation
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptive vibration control for servo systems in data storage devices
- Patent number 6,549,349
- Issue date Apr 15, 2003
- International Business Machines Corporation
- Sri Muthuthamby Sri-Jayantha
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for compensating a head positioning servo in a st...
- Patent number 6,529,344
- Issue date Mar 4, 2003
- International Business Machines Corporation
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device servo control apparatus and method
- Patent number 6,414,809
- Issue date Jul 2, 2002
- International Business Machines Corporation
- Tatsuya Sakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital filter, servo control unit, and disk drive
- Patent number 6,377,418
- Issue date Apr 23, 2002
- International Business Machines Corporation
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for controlling data write operations
- Patent number 6,337,777
- Issue date Jan 8, 2002
- International Business Machines Corporation
- Nobuya Matsubara
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for controlling the positioning of a read/write h...
- Patent number 6,324,132
- Issue date Nov 27, 2001
- International Business Machines Corporation
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor startup method and apparatus
- Patent number 6,218,794
- Issue date Apr 17, 2001
- International Business Machines Corporation
- Yasuhito Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for suppressing mechanical resonance in a disk...
- Patent number 6,219,196
- Issue date Apr 17, 2001
- International Business Machines Corporation
- Tetsuo Semba
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head position detecting method and magnetic disk apparatus
- Patent number 5,872,677
- Issue date Feb 16, 1999
- International Business Machines Corporation
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk drive wherein a preset reading laser power is used to...
- Patent number 5,231,625
- Issue date Jul 27, 1993
- International Business Machines Corporation
- Kazuo Hokozono
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Femto slider for small form factor hard disk drive
- Publication number 20050275971
- Publication date Dec 15, 2005
- Hitachi Global Storage Technologies Netherlands, B.V.
- Kenji Kuroki
- G11 - INFORMATION STORAGE
Information Patent Application
Bi staple flying height detection by BEMF control profile and data...
- Publication number 20050094299
- Publication date May 5, 2005
- Hitachi Global Storage Technologies Netherlands, B.V.
- Akira Tokizono
- G11 - INFORMATION STORAGE
Information Patent Application
Control method and apparatus for reducing the effects of hard disk...
- Publication number 20040179288
- Publication date Sep 16, 2004
- International Business Machines Corporation
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage device, control device, off-track control method, and...
- Publication number 20030231423
- Publication date Dec 18, 2003
- Tetsuo Semba
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive unit, controller for actuator, and method for controllin...
- Publication number 20030086200
- Publication date May 8, 2003
- International Business Machines Corporation
- Akira Tokizono
- G11 - INFORMATION STORAGE
Information Patent Application
Rotary recording apparatus and method of controlling the apparatus
- Publication number 20020159187
- Publication date Oct 31, 2002
- International Business Machines Corporation
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Application
Control method and apparatus for reducing the effects of hard disk...
- Publication number 20020067562
- Publication date Jun 6, 2002
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Application
Adaptive vibrations control for servo systems in data storage devices
- Publication number 20020034036
- Publication date Mar 21, 2002
- International Business Machines Corporation
- Sri Muthuthamby Sri-Jayantha
- G11 - INFORMATION STORAGE
Information Patent Application
System and method for implementing a rotary memory device
- Publication number 20020003676
- Publication date Jan 10, 2002
- International Business Machines Corporation
- Akira Tokizono
- G11 - INFORMATION STORAGE
Information Patent Application
Method and system for controlling the positioning of a read/write h...
- Publication number 20010053038
- Publication date Dec 20, 2001
- International Business Machines Corp.
- Naoyuki Kagami
- G11 - INFORMATION STORAGE

Akira Tokizono

Person

Patents Grantslast 30 patents

Magnetic disk drive using femto slider and having predetermined lin...

Bi staple flying height detection by BEMF control profile and data...

Data storage device, control device, off-track control method, and...

Control method and apparatus for reducing the effects of hard disk...

Disk drive unit, controller for actuator, and method for controllin...

Rotary recording apparatus and method of controlling the apparatus

System and method for implementing a rotary memory device

Control method and apparatus for reducing the effects of hard disk...

Method and system for controlling the positioning of a read/write h...

Method and system for performing positioning control of a head actu...

Adaptive vibration control for servo systems in data storage devices

Method and system for compensating a head positioning servo in a st...

Data storage device servo control apparatus and method

Digital filter, servo control unit, and disk drive

Method and apparatus for controlling data write operations

Method and system for controlling the positioning of a read/write h...

Spindle motor startup method and apparatus

Method and apparatus for suppressing mechanical resonance in a disk...

Magnetic head position detecting method and magnetic disk apparatus

Optical disk drive wherein a preset reading laser power is used to...

Patents Applicationslast 30 patents

Femto slider for small form factor hard disk drive

Bi staple flying height detection by BEMF control profile and data...

Control method and apparatus for reducing the effects of hard disk...

Data storage device, control device, off-track control method, and...

Disk drive unit, controller for actuator, and method for controllin...

Rotary recording apparatus and method of controlling the apparatus

Control method and apparatus for reducing the effects of hard disk...

Adaptive vibrations control for servo systems in data storage devices

System and method for implementing a rotary memory device

Method and system for controlling the positioning of a read/write h...