Ryuji Tsuchiyama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic head slider apparatus, magnetic disk drive apparatus, and...
- Patent number 8,848,318
- Issue date Sep 30, 2014
- Hitachi, Ltd.
- Ryuji Tsuchiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having lands with curved upper surfaces a...
- Patent number 7,936,536
- Issue date May 3, 2011
- Hitachi, Ltd.
- Ryuji Tsuchiyama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic head heating element in a disk drive
- Patent number 7,474,504
- Issue date Jan 6, 2009
- Hitachi, Ltd.
- Junguo Xu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider and a magnetic disk device in which the slider...
- Patent number 7,385,786
- Issue date Jun 10, 2008
- Hitachi Global Storage Technologies Japan, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider and a magnetic disk device in which the slider...
- Patent number 7,072,146
- Issue date Jul 4, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider and magnetic disc unit
- Patent number 7,042,678
- Issue date May 9, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Ryuji Tsuchiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider, support therefor and magnetic disk unit
- Patent number 7,038,883
- Issue date May 2, 2006
- Hitachi Golbal Storage Technologies Japan, Ltd.
- Ryuji Tsuchiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider and a magnetic disk device in which the slider...
- Patent number 6,985,334
- Issue date Jan 10, 2006
- Hitachi, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head heating element in a disk drive
- Patent number 6,963,464
- Issue date Nov 8, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Junguo Xu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus
- Patent number 6,961,201
- Issue date Nov 1, 2005
- Hitachi Ltd.
- Masaki Odai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc apparatus with slider having specified location of ac...
- Patent number 6,785,095
- Issue date Aug 31, 2004
- Hitachi, Ltd.
- Hiromitsu Tokisue
- G11 - INFORMATION STORAGE
Information Patent Grant
Slider capable of reducing distance between head element and record...
- Patent number 6,633,455
- Issue date Oct 14, 2003
- Hitachi, Ltd.
- Hiromitsu Tokisue
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider
- Patent number 6,597,536
- Issue date Jul 22, 2003
- Hitachi, Ltd.
- Ryuji Tsuchiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider and a magnetic disk device in which the slider...
- Patent number 6,597,537
- Issue date Jul 22, 2003
- Hitachi, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc apparatus having slider which reduces variation in li...
- Patent number 6,493,188
- Issue date Dec 10, 2002
- Hitachi, Ltd.
- Hiromitsu Tokisue
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider and a magnetic disk device in which the slider...
- Patent number 6,452,751
- Issue date Sep 17, 2002
- Hitachi, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider and a magnetic disk device in which the slider...
- Patent number 6,373,661
- Issue date Apr 16, 2002
- Hitachi, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC HEAD SLIDER APPARATUS, MAGNETIC DISK DRIVE APPARATUS, AND...
- Publication number 20140104996
- Publication date Apr 17, 2014
- Ryuji Tsuchiyama
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD SLIDER AND MAGNETIC DISK UNIT USING SAME
- Publication number 20120008231
- Publication date Jan 12, 2012
- Hitachi, Ltd.
- RYUJI TSUCHIYAMA
- G11 - INFORMATION STORAGE
Information Patent Application
Head slider
- Publication number 20080297949
- Publication date Dec 4, 2008
- Hitachi, Ltd.
- Irizo Naniwa
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...
- Publication number 20080049359
- Publication date Feb 28, 2008
- RYUJI TSUCHIYAMA
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider and a magnetic disk device in which the slider...
- Publication number 20060250717
- Publication date Nov 9, 2006
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head heating element in a disk drive
- Publication number 20060039077
- Publication date Feb 23, 2006
- Junguo Xu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider and a magnetic disk device in which the slider...
- Publication number 20050243470
- Publication date Nov 3, 2005
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider and magnetic disc unit
- Publication number 20040150914
- Publication date Aug 5, 2004
- Ryuji Tsuchiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk apparatus
- Publication number 20040057150
- Publication date Mar 25, 2004
- Hitachi, Ltd.
- Masaki Odai
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider and a magnetic disk device in which the slider...
- Publication number 20040012888
- Publication date Jan 22, 2004
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider, support therefor and magnetic disk unit
- Publication number 20030218832
- Publication date Nov 27, 2003
- Ryuji Tsuchiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider assembly and magnetic disk apparatus
- Publication number 20030011933
- Publication date Jan 16, 2003
- Ryuji Tsuchiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider and magnetic disk device
- Publication number 20020191326
- Publication date Dec 19, 2002
- Junguo Xu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disc apparatus
- Publication number 20020191339
- Publication date Dec 19, 2002
- Hiromitsu Tokisue
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider and a magnetic disk device in which the slider...
- Publication number 20020191344
- Publication date Dec 19, 2002
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD SLIDER AND A MAGNETIC DISK DEVICE IN WHICH THE SLIDER...
- Publication number 20020097524
- Publication date Jul 25, 2002
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Application
Slider and recording apparatus
- Publication number 20010013994
- Publication date Aug 16, 2001
- Hiromitsu Tokisue
- G11 - INFORMATION STORAGE

Ryuji Tsuchiyama

Person

Patents Grantslast 30 patents

Magnetic head slider apparatus, magnetic disk drive apparatus, and...

Magnetic recording medium having lands with curved upper surfaces a...

Magnetic head heating element in a disk drive

Magnetic head slider and a magnetic disk device in which the slider...

Magnetic head slider and a magnetic disk device in which the slider...

Magnetic head slider and magnetic disc unit

Magnetic head slider, support therefor and magnetic disk unit

Magnetic head slider and a magnetic disk device in which the slider...

Magnetic head heating element in a disk drive

Magnetic disk apparatus

Magnetic disc apparatus with slider having specified location of ac...

Slider capable of reducing distance between head element and record...

Magnetic head slider

Magnetic head slider and a magnetic disk device in which the slider...

Magnetic disc apparatus having slider which reduces variation in li...

Magnetic head slider and a magnetic disk device in which the slider...

Magnetic head slider and a magnetic disk device in which the slider...

Patents Applicationslast 30 patents

MAGNETIC HEAD SLIDER APPARATUS, MAGNETIC DISK DRIVE APPARATUS, AND...

MAGNETIC HEAD SLIDER AND MAGNETIC DISK UNIT USING SAME

Head slider

MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...

Magnetic head slider and a magnetic disk device in which the slider...

Magnetic head heating element in a disk drive

Magnetic head slider and a magnetic disk device in which the slider...

Magnetic head slider and magnetic disc unit

Magnetic disk apparatus

Magnetic head slider and a magnetic disk device in which the slider...

Magnetic head slider, support therefor and magnetic disk unit

Magnetic head slider assembly and magnetic disk apparatus

Magnetic head slider and magnetic disk device

Magnetic disc apparatus

Magnetic head slider and a magnetic disk device in which the slider...

MAGNETIC HEAD SLIDER AND A MAGNETIC DISK DEVICE IN WHICH THE SLIDER...

Slider and recording apparatus