Yoshikatsu Fujii

Person

Atsugi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Disk drive and error-recovery processing method
- Patent number 8,125,729
- Issue date Feb 28, 2012
- Hitachi Global Storage Technologies, Netherlands B.V.
- Hideki Ohzeki
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive spin control
- Patent number 8,111,476
- Issue date Feb 7, 2012
- Hitachi Global Storage Technologies, Netherlands B.V.
- Yukiko Arizono
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive
- Patent number 7,808,737
- Issue date Oct 5, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Minoru Tsukada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and read/write method
- Patent number 7,486,461
- Issue date Feb 3, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshikatsu Fujii
- G11 - INFORMATION STORAGE
Information Patent Grant
Idle seek calibration method for magnetic disk drive and magnetic d...
- Patent number 7,375,917
- Issue date May 20, 2008
- Hitachi, Ltd.
- Yoshikatsu Fujii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive and magnetic disk drive control
- Patent number 7,133,242
- Issue date Nov 7, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshikatsu Fujii
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive system for controlling seek operations
- Patent number 6,950,264
- Issue date Sep 27, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Takao Horiguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Load/unload method and a magnetic disk drive using the method
- Patent number 6,920,007
- Issue date Jul 19, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Hidefumi Tominaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Disturbance detection circuit, memory device thereof, and disturban...
- Patent number 6,510,014
- Issue date Jan 21, 2003
- Hitachi, Ltd.
- Toshiyuki Kikuta
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus having an accelerometer for detecting accel...
- Patent number 6,407,876
- Issue date Jun 18, 2002
- Hitachi, Ltd.
- Takashi Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus having an accelerometer for detecting accel...
- Patent number 6,335,845
- Issue date Jan 1, 2002
- Hitachi, Ltd.
- Takashi Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for positioning magnetic head and method of the same
- Patent number 5,986,845
- Issue date Nov 16, 1999
- Hitachi, Ltd.
- Takashi Yamaguchi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DISK-ENCLOSURE COVER FOR LOW-PROFILE, HARD-DISK DRIVE
- Publication number 20100328813
- Publication date Dec 30, 2010
- Hideki OHZEKI
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE SPIN CONTROL
- Publication number 20100157463
- Publication date Jun 24, 2010
- Yukiko ARIZONO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Magnetic disk drive
- Publication number 20070217050
- Publication date Sep 20, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Minoru Tsukada
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DRIVE AND MAGNETIC DISK DRIVE CONTROL
- Publication number 20060203375
- Publication date Sep 14, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshikatsu Fujii
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk device and read/write method
- Publication number 20050286152
- Publication date Dec 29, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshikatsu Fujii
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive and control method therefor
- Publication number 20040017632
- Publication date Jan 29, 2004
- Hitachi, Ltd
- Takao Horiguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Load/unload method and a magnetic disk drive using the method
- Publication number 20030081343
- Publication date May 1, 2003
- Hidefumi Tominaga
- G11 - INFORMATION STORAGE
Information Patent Application
Disturbance detection circuit, memory device thereof, and disturban...
- Publication number 20020027733
- Publication date Mar 7, 2002
- Toshiyuki Kikuta
- G11 - INFORMATION STORAGE

Yoshikatsu Fujii

Person

Patents Grantslast 30 patents

Disk drive and error-recovery processing method

Disk drive spin control

Magnetic disk drive

Magnetic disk device and read/write method

Idle seek calibration method for magnetic disk drive and magnetic d...

Magnetic disk drive and magnetic disk drive control

Disk drive system for controlling seek operations

Load/unload method and a magnetic disk drive using the method

Disturbance detection circuit, memory device thereof, and disturban...

Magnetic disk apparatus having an accelerometer for detecting accel...

Magnetic disk apparatus having an accelerometer for detecting accel...

Apparatus for positioning magnetic head and method of the same

Patents Applicationslast 30 patents

DISK-ENCLOSURE COVER FOR LOW-PROFILE, HARD-DISK DRIVE

DISK DRIVE SPIN CONTROL

Magnetic disk drive

MAGNETIC DISK DRIVE AND MAGNETIC DISK DRIVE CONTROL

Magnetic disk device and read/write method

Magnetic disk drive and control method therefor

Load/unload method and a magnetic disk drive using the method

Disturbance detection circuit, memory device thereof, and disturban...