Yuzo Nakagawa

Person

Hiratsuka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for time-shift based rotational vibration sensing...
- Patent number 7,724,457
- Issue date May 25, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Hien Dang
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage apparatus, read data processor, and read data processi...
- Patent number 6,981,205
- Issue date Dec 27, 2005
- Lenovo (Singapore) PTE LTD
- Yukio Fukushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for time-shift based rotational vibration sensing...
- Patent number 6,947,243
- Issue date Sep 20, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Hien Dang
- G11 - INFORMATION STORAGE
Information Patent Grant
Head movement controlling based on servo generated speed control va...
- Patent number 6,914,745
- Issue date Jul 5, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Masayuki Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive, servo control unit, and control unit
- Patent number 6,678,109
- Issue date Jan 13, 2004
- Hitachi Global Technologies
- Naoyuki Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with improved retract circuit and method
- Patent number 6,643,087
- Issue date Nov 4, 2003
- Hitachi Global Storage Technologies Netherlands B.V.
- Kenji Kuroki
- 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 apparatus for controlling read and write operations in a...
- Patent number 6,424,476
- Issue date Jul 23, 2002
- International Business Machines Corporation
- Nobuya Matsubara
- G11 - INFORMATION STORAGE
Information Patent Grant
Arrangement structure of the printed circuit board and the interfac...
- Patent number 6,351,343
- Issue date Feb 26, 2002
- International Business Machines Corporation
- Yuzo Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive rotary actuator system including synchronous counter tor...
- Patent number 6,122,139
- Issue date Sep 19, 2000
- International Business Machines Corporation
- Sri Muthuthamby Sri-Jayantha
- 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
Method and apparatus for indicating start of servo information on a...
- Patent number 5,812,338
- Issue date Sep 22, 1998
- International Business Machines Corporation
- Kenji Ogasawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Actuator locking system of disk unit
- Patent number 5,043,834
- Issue date Aug 27, 1991
- International Business Machines Corporation
- Masakazu Kubo
- G11 - INFORMATION STORAGE
Information Patent Grant
deadbeat control of disk drive actuator
- Patent number 4,894,599
- Issue date Jan 16, 1990
- International Business Machines Corporation
- Hjalmar H. Ottesen
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Method and system for time-shift based rotational vibration sensing...
- Publication number 20050270685
- Publication date Dec 8, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Hien Dang
- G11 - INFORMATION STORAGE
Information Patent Application
Method and system for time-shift based rotational vibration sensing...
- Publication number 20030218823
- Publication date Nov 27, 2003
- International Business Machines Corporation
- Hien Dang
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage apparatus, read data processor, and read data processi...
- Publication number 20030112669
- Publication date Jun 19, 2003
- International Business Machines Corporation
- Yukio Fukushima
- G11 - INFORMATION STORAGE
Information Patent Application
Hard disk drive, data storing and reproducing device, head movement...
- Publication number 20030035240
- Publication date Feb 20, 2003
- International Business Machines Corporation
- Masayuki Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE, SERVO CONTROL UNIT, AND CONTROL UNIT
- Publication number 20020135930
- Publication date Sep 26, 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

Yuzo Nakagawa

Person

Patents Grantslast 30 patents

Method and system for time-shift based rotational vibration sensing...

Data storage apparatus, read data processor, and read data processi...

Method and system for time-shift based rotational vibration sensing...

Head movement controlling based on servo generated speed control va...

Disk drive, servo control unit, and control unit

Disk drive with improved retract circuit and method

Adaptive vibration control for servo systems in data storage devices

Method and apparatus for controlling read and write operations in a...

Arrangement structure of the printed circuit board and the interfac...

Disk drive rotary actuator system including synchronous counter tor...

Magnetic head position detecting method and magnetic disk apparatus

Method and apparatus for indicating start of servo information on a...

Actuator locking system of disk unit

deadbeat control of disk drive actuator

Patents Applicationslast 30 patents

Method and system for time-shift based rotational vibration sensing...

Method and system for time-shift based rotational vibration sensing...

Data storage apparatus, read data processor, and read data processi...

Hard disk drive, data storing and reproducing device, head movement...

DISK DRIVE, SERVO CONTROL UNIT, AND CONTROL UNIT

Adaptive vibrations control for servo systems in data storage devices