Yukio Fukushima

Person

Tokyo-to, JP

People

Patents Grantslast 30 patents

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
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
Data storage unit and method for starting data storage unit
- Patent number 6,721,844
- Issue date Apr 13, 2004
- Hitachi Global Storage Technologies Netherlands B.V.
- Kazushige Okutsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for detecting abnormal magnetic head fly height
- Patent number 6,671,110
- Issue date Dec 30, 2003
- Hitachi Global Storage Technologies Netherlands B.V.
- Sachiyo Baba
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with off-track write prevention
- Patent number 6,496,315
- Issue date Dec 17, 2002
- International Business Machines Corporation
- Tetsuo Ueda
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device, track positioning method and method for generating a p...
- Patent number 6,476,997
- Issue date Nov 5, 2002
- International Business Machines Corporation
- Yukio Fukushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Dummy write method for a magnetic head and drive unit for carrying...
- Patent number 6,441,982
- Issue date Aug 27, 2002
- International Business Machines Corporation
- Yukio Fukushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device and a method for controlling the same
- Patent number 6,289,416
- Issue date Sep 11, 2001
- International Business Machines Corporation
- Yukio Fukushima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of and apparatus for unlocking an actuator in a disk storage...
- Patent number 6,198,604
- Issue date Mar 6, 2001
- International Business Machines Corporation
- Yukio Fukushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Distance measuring device
- Patent number 5,959,734
- Issue date Sep 28, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Shoichi Tanaka
- G01 - MEASURING TESTING
Information Patent Grant
Disk drive apparatus and head switching method
- Patent number 5,943,179
- Issue date Aug 24, 1999
- International Business Machines Corporation
- Yukio Fukushima
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

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 DEVICE, TRACK POSITIONING METHOD AND METHOD FOR GENERATING A P...
- Publication number 20010036032
- Publication date Nov 1, 2001
- YUKIO FUKUSHIMA
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for detecting abnormal magnetic head fly height
- Publication number 20010013985
- Publication date Aug 16, 2001
- International Business Machines Corporation
- Sachiyo Baba
- G11 - INFORMATION STORAGE

Yukio Fukushima

Person

Patents Grantslast 30 patents

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

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

Data storage unit and method for starting data storage unit

Method and apparatus for detecting abnormal magnetic head fly height

Disk drive with off-track write prevention

Disk device, track positioning method and method for generating a p...

Dummy write method for a magnetic head and drive unit for carrying...

Disk drive device and a method for controlling the same

Method of and apparatus for unlocking an actuator in a disk storage...

Distance measuring device

Disk drive apparatus and head switching method

Patents Applicationslast 30 patents

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

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

DISK DEVICE, TRACK POSITIONING METHOD AND METHOD FOR GENERATING A P...

Method and apparatus for detecting abnormal magnetic head fly height