Kyo Akagi

Person

Fucyu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording with tilted media in the cross track direction
- Patent number 8,976,484
- Issue date Mar 10, 2015
- HGST Netherlands B.V.
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Track pitch variation measurement method using spiral DC pattern wr...
- Patent number 8,861,116
- Issue date Oct 14, 2014
- HGST Netherlands B.V.
- Mao Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Dynamic track pitch control for shingled magnetic recording (SMR)
- Patent number 8,797,672
- Issue date Aug 5, 2014
- HGST Netherlands B.V.
- Hiroyasu Tanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic hard disk drive
- Patent number 7,184,236
- Issue date Feb 27, 2007
- Hitachi Global Storage Technologies Japan, Ltd.
- Takehiko Hamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing magnetic head device
- Patent number 7,159,303
- Issue date Jan 9, 2007
- Hitachi Global Storage Technologies, Ltd.
- Ryoichi Nakatani
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for locking a moveable part of a magnetic disk apparatus
- Patent number 7,116,508
- Issue date Oct 3, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic apparatus with perpendicular recording medium and head hav...
- Patent number 7,054,120
- Issue date May 30, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Ryoichi Nakatani
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive which accesses host RAM
- Patent number 6,987,635
- Issue date Jan 17, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Kyo Akagi
- 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
Apparatus for latching a magnetic disk
- Patent number 6,862,153
- Issue date Mar 1, 2005
- Hitachi, Ltd.
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic hard disk drive
- Patent number 6,822,818
- Issue date Nov 23, 2004
- Hitachi, Ltd.
- Takehiko Hamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with conductors formed on endlayers of a multilayer f...
- Patent number 6,687,099
- Issue date Feb 3, 2004
- Hitachi, Ltd.
- Ryoichi Nakatani
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk apparatus and information processing system discriminative plu...
- Patent number 6,687,072
- Issue date Feb 3, 2004
- Hitachi, Ltd.
- Atsushi Okuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc apparatus having wiring on the outer bottom
- Patent number 6,594,107
- Issue date Jul 15, 2003
- Hitachi, Ltd.
- Takako Hayakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive with servo signal decoder using amplitude detec...
- Patent number 6,590,729
- Issue date Jul 8, 2003
- Hitachi, Ltd.
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive unit having multiple disks arranged in a plane
- Patent number 6,483,660
- Issue date Nov 19, 2002
- Hitachi, Ltd.
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus including magnetic head having multilayered...
- Patent number 6,483,677
- Issue date Nov 19, 2002
- Hitachi, Ltd.
- Ryoichi Nakatani
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistance effect elements and magnetic heads using the tunn...
- Patent number 6,278,593
- Issue date Aug 21, 2001
- Hitachi, Ltd.
- Ryoichi Nakatani
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic recorder and magnetooptical recorder
- Patent number 6,130,797
- Issue date Oct 10, 2000
- Hitachi, Ltd.
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistance effect multilayer film with ferromagnetic film su...
- Patent number 6,011,674
- Issue date Jan 4, 2000
- Hitachi, Ltd.
- Ryoichi Nakatani
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic digital storage method and system wherein magnetic transit...
- Patent number 5,786,952
- Issue date Jul 28, 1998
- Hitachi, Ltd.
- Masuo Umemoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Longitudinal magnetic recording medium and apparatus
- Patent number 5,766,718
- Issue date Jun 16, 1998
- Hitachi, Ltd.
- Yoshibumi Matsuda
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic recording medium having at least two magnetic layers with...
- Patent number 5,736,235
- Issue date Apr 7, 1998
- Hitachi, Ltd.
- Yoshibumi Matsuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayer magnetoresistance effect-type magnetic head
- Patent number 5,726,837
- Issue date Mar 10, 1998
- Hitachi, Ltd.
- Ryoichi Nakatani
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Disk unit
- Patent number 5,606,472
- Issue date Feb 25, 1997
- Hitachi, Ltd.
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of head positioning and magnetic recording disk drive using...
- Patent number 5,568,331
- Issue date Oct 22, 1996
- Hitachi, Ltd.
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin external memory unit with hard disk
- Patent number 5,557,486
- Issue date Sep 17, 1996
- Hitachi, Ltd.
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayer magnetoresistance effect-type magnetic head
- Patent number 5,390,061
- Issue date Feb 14, 1995
- Hitachi, Ltd.
- Ryoichi Nakatani
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic recording data storage system
- Patent number 5,325,244
- Issue date Jun 28, 1994
- Hitachi, Ltd.
- Hisashi Takano
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording apparatus having a magnetic slider with i...
- Patent number 5,253,232
- Issue date Oct 12, 1993
- Hitachi, Ltd.
- Kyo Akagi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetoresistance effect elements, magnetic heads and magnetic stor...
- Publication number 20060152862
- Publication date Jul 13, 2006
- Ryoichi Nakatani
- G01 - MEASURING TESTING
Information Patent Application
Magnetic disk apparatus
- Publication number 20050128627
- Publication date Jun 16, 2005
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic hard disk drive
- Publication number 20050036226
- Publication date Feb 17, 2005
- Hitachi, Ltd.
- Takehiko Hamaguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetoresistance effect elements, magnetic heads and magnetic stor...
- Publication number 20040090850
- Publication date May 13, 2004
- Hitachi, Ltd.
- Ryoichi Nakatani
- G01 - MEASURING TESTING
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 disk apparatus and storage system
- Publication number 20040017630
- Publication date Jan 29, 2004
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetoresistance effect elements, magnetic heads and magnetic stor...
- Publication number 20030117750
- Publication date Jun 26, 2003
- Hitachi, Ltd.
- Ryoichi Nakatani
- G01 - MEASURING TESTING
Information Patent Application
Magnetic disc apparatus
- Publication number 20030016468
- Publication date Jan 23, 2003
- Takako Hayakawa
- G11 - INFORMATION STORAGE
Information Patent Application
Disk apparatus and information processing system
- Publication number 20020126408
- Publication date Sep 12, 2002
- Atsushi Okuyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic hard disk drive
- Publication number 20020060871
- Publication date May 23, 2002
- Hitachi, Ltd.
- Takehiko Hamaguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk apparatus
- Publication number 20020027735
- Publication date Mar 7, 2002
- Kyo Akagi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetoresistance effect elements, magnetic heads and magnetic stor...
- Publication number 20020018325
- Publication date Feb 14, 2002
- Hitachi, Ltd.
- Ryoichi Nakatani
- B82 - NANO-TECHNOLOGY

Person

Patents Grantslast 30 patents

Magnetic recording with tilted media in the cross track direction

Track pitch variation measurement method using spiral DC pattern wr...

Dynamic track pitch control for shingled magnetic recording (SMR)

Magnetic hard disk drive

Method for manufacturing magnetic head device

Apparatus for locking a moveable part of a magnetic disk apparatus

Magnetic apparatus with perpendicular recording medium and head hav...

Magnetic disk drive which accesses host RAM

Magnetic disk apparatus

Apparatus for latching a magnetic disk

Magnetic hard disk drive

Magnetic head with conductors formed on endlayers of a multilayer f...

Disk apparatus and information processing system discriminative plu...

Magnetic disc apparatus having wiring on the outer bottom

Magnetic disk drive with servo signal decoder using amplitude detec...

Disk drive unit having multiple disks arranged in a plane

Magnetic disk apparatus including magnetic head having multilayered...

Magnetoresistance effect elements and magnetic heads using the tunn...

Magnetic recorder and magnetooptical recorder

Magnetoresistance effect multilayer film with ferromagnetic film su...

Magnetic digital storage method and system wherein magnetic transit...

Longitudinal magnetic recording medium and apparatus

Magnetic recording medium having at least two magnetic layers with...

Multilayer magnetoresistance effect-type magnetic head

Disk unit

Method of head positioning and magnetic recording disk drive using...

Thin external memory unit with hard disk

Multilayer magnetoresistance effect-type magnetic head

Magnetic recording data storage system

Magneto-optical recording apparatus having a magnetic slider with i...

Patents Applicationslast 30 patents

Magnetoresistance effect elements, magnetic heads and magnetic stor...

Magnetic disk apparatus

Magnetic hard disk drive

Magnetoresistance effect elements, magnetic heads and magnetic stor...

Magnetic disk apparatus

Magnetic disk apparatus and storage system

Magnetoresistance effect elements, magnetic heads and magnetic stor...

Magnetic disc apparatus

Disk apparatus and information processing system

Magnetic hard disk drive

Magnetic disk apparatus

Magnetoresistance effect elements, magnetic heads and magnetic stor...