Fuminori Sai

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Data storage device with data recovery process using fixed phase cl...
- Patent number 7,733,591
- Issue date Jun 8, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Kraig Bottemiller
- 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
Storing AD sampled data of read/write channel into ECC SRAM
- Patent number 7,697,224
- Issue date Apr 13, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Fuminori Sai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of writing pattern in disk, method of following track on dis...
- Patent number 7,646,561
- Issue date Jan 12, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Kohji Takasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of writing pattern on media and data storage device
- Patent number 7,532,424
- Issue date May 12, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Fuminori Sai
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device, data storage control circuit, and control meth...
- Patent number 7,525,747
- Issue date Apr 28, 2009
- Hitachi Global Storage Technologies Netherlans B.V.
- Fuminori Sai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of writing patterns using head with correct phases, and data...
- Patent number 7,489,463
- Issue date Feb 10, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Minoru Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive and method for registering defective sector usi...
- Patent number 7,486,467
- Issue date Feb 3, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Fuminori Sai
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for hard disk drive optimization and manufacturing
- Patent number 7,457,065
- Issue date Nov 25, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Kenji Ogasawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of measuring head characteristics of a data storage device,...
- Patent number 7,446,967
- Issue date Nov 4, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Minoru Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of writing patterns onto a recording disk, and data storage...
- Patent number 7,342,735
- Issue date Mar 11, 2008
- Hitachi Global Storage Technologies
- Minoru Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and data storage device for writing patterns onto recording...
- Patent number 7,286,316
- Issue date Oct 23, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Fuminori Sai
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device, data read correction mechanism, and data read...
- Patent number 7,023,638
- Issue date Apr 4, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Nobuya Matsubara
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo information write method, servo control method, data storage...
- Patent number 7,019,933
- Issue date Mar 28, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Kaoru Iseri
- 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
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
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
Disk drive with actuator load/unload controller
- Patent number 6,236,527
- Issue date May 22, 2001
- International Business Machines Corporation
- Hiroshi Uchiike
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive loading/unloading apparatus and method for controlling t...
- Patent number 6,229,663
- Issue date May 8, 2001
- International Business Machines Corporation
- Isao Yoneda
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device and method for controlling the same
- Patent number 6,151,183
- Issue date Nov 21, 2000
- International Business Machines Corporation
- Kenja Ogasawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Ramp for use with a data storage device and a data storage device
- Patent number 6,078,474
- Issue date Jun 20, 2000
- International Business Machines Corporation
- Ichiroh Koyanagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid crystal electrooptical device
- Patent number 5,638,203
- Issue date Jun 10, 1997
- International Business Machines Corporation
- Masaki Hasegawa
- G02 - OPTICS
Information Patent Grant
Magnetic field observation with tunneling microscopy
- Patent number 5,266,897
- Issue date Nov 30, 1993
- International Business Machines Corporation
- Osaaki Watanuki
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

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
Method for forming servo pattern and magnetic disk drive
- Publication number 20090009904
- Publication date Jan 8, 2009
- Kei Yasuna
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage device with data recovery process using fixed phase cl...
- Publication number 20080144454
- Publication date Jun 19, 2008
- Kraig Bottemiller
- G11 - INFORMATION STORAGE
Information Patent Application
Storing AD sampled data of read/write channel into ECC SRAM
- Publication number 20080144207
- Publication date Jun 19, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Fuminori Sai
- G11 - INFORMATION STORAGE
Information Patent Application
Method of writing pattern in disk, method of following track on dis...
- Publication number 20080068741
- Publication date Mar 20, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Kohji Takasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive apparatus and method for writing and/or reading user dat...
- Publication number 20070247736
- Publication date Oct 25, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Fuminori Sai
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive, method for registering defective sector, and m...
- Publication number 20070121235
- Publication date May 31, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Fuminori Sai
- G11 - INFORMATION STORAGE
Information Patent Application
Method of writing pattern on media and data storage device
- Publication number 20070025007
- Publication date Feb 1, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Fuminori Sai
- G11 - INFORMATION STORAGE
Information Patent Application
Method and data storage device for writing patterns onto recording...
- Publication number 20060262449
- Publication date Nov 23, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Fuminori Sai
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage device, data storage control circuit, and control meth...
- Publication number 20060171053
- Publication date Aug 3, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Fuminori Sai
- G11 - INFORMATION STORAGE
Information Patent Application
Method of writing patterns using head with correct phases, and data...
- Publication number 20060056099
- Publication date Mar 16, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Minoru Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Application
Method of measuring head characteristics of a data storage device,...
- Publication number 20060056097
- Publication date Mar 16, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Minoru Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Application
Method of writing patterns onto a recording disk, and data storage...
- Publication number 20060056098
- Publication date Mar 16, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Minoru Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and methods for hard disk drive optimization and manufacturing
- Publication number 20040179285
- Publication date Sep 16, 2004
- Hitachi Global Storage Technologies Netherlands, B.V.
- Kenji Ogasawara
- G11 - INFORMATION STORAGE
Information Patent Application
Servo information write method, servo control method, data storage...
- Publication number 20040125491
- Publication date Jul 1, 2004
- Hitachi Global Storage Technologies
- Kaoru Iseri
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage device, data read correction mechanism, and data read...
- Publication number 20040120063
- Publication date Jun 24, 2004
- Hitachi Global Storage Technologies
- Nobuya Matsubara
- H03 - BASIC ELECTRONIC CIRCUITRY
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

Fuminori Sai

Person

Patents Grantslast 30 patents

Data storage device with data recovery process using fixed phase cl...

Recording disk and disk drive

Storing AD sampled data of read/write channel into ECC SRAM

Method of writing pattern in disk, method of following track on dis...

Method of writing pattern on media and data storage device

Data storage device, data storage control circuit, and control meth...

Method of writing patterns using head with correct phases, and data...

Magnetic disk drive and method for registering defective sector usi...

Systems and methods for hard disk drive optimization and manufacturing

Method of measuring head characteristics of a data storage device,...

Method of writing patterns onto a recording disk, and data storage...

Method and data storage device for writing patterns onto recording...

Data storage device, data read correction mechanism, and data read...

Servo information write method, servo control method, data storage...

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

Disk drive with improved retract circuit and method

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

Disk drive with actuator load/unload controller

Disk drive loading/unloading apparatus and method for controlling t...

Disk drive device and method for controlling the same

Ramp for use with a data storage device and a data storage device

Liquid crystal electrooptical device

Magnetic field observation with tunneling microscopy

Patents Applicationslast 30 patents

Recording disk and disk drive

Method for forming servo pattern and magnetic disk drive

Data storage device with data recovery process using fixed phase cl...

Storing AD sampled data of read/write channel into ECC SRAM

Method of writing pattern in disk, method of following track on dis...

Disk drive apparatus and method for writing and/or reading user dat...

Magnetic disk drive, method for registering defective sector, and m...

Method of writing pattern on media and data storage device

Method and data storage device for writing patterns onto recording...

Data storage device, data storage control circuit, and control meth...

Method of writing patterns using head with correct phases, and data...

Method of measuring head characteristics of a data storage device,...

Method of writing patterns onto a recording disk, and data storage...

Systems and methods for hard disk drive optimization and manufacturing

Servo information write method, servo control method, data storage...

Data storage device, data read correction mechanism, and data read...

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