Yosuke Seo

Person

Sagamihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Disk system and power-on sequence for the same
- Patent number 7,242,656
- Issue date Jul 10, 2007
- Hitachi, Ltd.
- Yoshihisa Kamo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic disk drive for compensating repeatable runout error
- Patent number 6,898,047
- Issue date May 24, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Kazuhisa Shishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk system and power-on sequence for the same
- Patent number 6,625,690
- Issue date Sep 23, 2003
- Hitachi, Ltd.
- Yoshihisa Kamo
- G06 - COMPUTING CALCULATING COUNTING
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 system and power-on sequence for the same
- Patent number 6,286,108
- Issue date Sep 4, 2001
- Hitachi, Ltd.
- Yoshihisa Kamo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disk system and power-on sequence for the same
- Patent number 6,131,142
- Issue date Oct 10, 2000
- Hitachi, Ltd.
- Yoshihisa Kamo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disk system with activation control of disk drive motors
- Patent number 6,012,124
- Issue date Jan 4, 2000
- Hitachi, Ltd.
- Yoshihisa Kamo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for writing servo signals onto a magnetic disk and magnetic...
- Patent number 5,748,398
- Issue date May 5, 1998
- Hitachi, Ltd.
- Yosuke Seo
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk system and power-on sequence for the same
- Patent number 5,673,412
- Issue date Sep 30, 1997
- Hitachi, Ltd.
- Yoshihisa Kamo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Variable length data in a parallel disk array
- Patent number 5,572,699
- Issue date Nov 5, 1996
- Hitachi, Ltd.
- Yoshihisa Kamo
- G06 - COMPUTING CALCULATING COUNTING
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
Information recording disk, its production method and recording app...
- Patent number 5,548,454
- Issue date Aug 20, 1996
- Hitachi, Ltd.
- Youichi Kawakubo
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for error correction and circuit for realizing same
- Patent number 5,325,364
- Issue date Jun 28, 1994
- Hitachi, Ltd.
- Yasuhide Ouchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic disk apparatus of constant-density recording type, magneti...
- Patent number 5,193,034
- Issue date Mar 9, 1993
- Hitachi, Ltd.
- Toshiaki Tsuyoshi
- G11 - INFORMATION STORAGE
Information Patent Grant
High speed seek sector servo magnetic disk drive unit
- Patent number 5,132,854
- Issue date Jul 21, 1992
- Hitachi, Ltd.
- Toshiaki Tsuyoshi
- G11 - INFORMATION STORAGE
Information Patent Grant
Actuator driving apparatus and magnetic disk drive system with a sm...
- Patent number 4,851,939
- Issue date Jul 25, 1989
- Hitachi, Ltd.
- Yosuke Seo
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical read-out magnetic head
- Patent number 4,707,755
- Issue date Nov 17, 1987
- Hitachi, Ltd.
- Norio Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus
- Patent number 4,651,242
- Issue date Mar 17, 1987
- Hitachi, Ltd.
- Yoshiyuki Hirano
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic disk drive
- Publication number 20050201003
- Publication date Sep 15, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Kazuhisa Shishida
- G11 - INFORMATION STORAGE
Information Patent Application
Disk system and power-on sequence for the same
- Publication number 20040107313
- Publication date Jun 3, 2004
- Hitachi, Ltd.
- Yoshihisa Kamo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Magnetic disk drive
- Publication number 20030002200
- Publication date Jan 2, 2003
- Kazuhisa Shishida
- G11 - INFORMATION STORAGE
Information Patent Application
Disk system and power-on sequence for the same
- Publication number 20020116574
- Publication date Aug 22, 2002
- Hitachi, Ltd.
- Yoshihisa Kamo
- G06 - COMPUTING CALCULATING COUNTING

Person

Patents Grantslast 30 patents

Disk system and power-on sequence for the same

Magnetic disk drive for compensating repeatable runout error

Disk system and power-on sequence for the same

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

Disk system and power-on sequence for the same

Disk system and power-on sequence for the same

Disk system with activation control of disk drive motors

Method for writing servo signals onto a magnetic disk and magnetic...

Disk system and power-on sequence for the same

Variable length data in a parallel disk array

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

Information recording disk, its production method and recording app...

Method for error correction and circuit for realizing same

Magnetic disk apparatus of constant-density recording type, magneti...

High speed seek sector servo magnetic disk drive unit

Actuator driving apparatus and magnetic disk drive system with a sm...

Optical read-out magnetic head

Magnetic disk apparatus

Patents Applicationslast 30 patents

Magnetic disk drive

Disk system and power-on sequence for the same

Magnetic disk drive

Disk system and power-on sequence for the same