TOMOYOSHI YAMADA

Person

KAWASAKI-SHI, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Disk-device correcting system, information managing device, master-...
- Patent number 7,787,200
- Issue date Aug 31, 2010
- Toshiba Storage Device Corporation
- Hiroyuki Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Storage apparatus and control method for detecting vibration produc...
- Patent number 7,515,377
- Issue date Apr 7, 2009
- Fujitsu Limited
- Kei Funabashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk apparatus, information processing system, and information prov...
- Patent number 7,508,620
- Issue date Mar 24, 2009
- Fujitsu Limited
- Kazuhiko Takaishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device with bi-directional communication function
- Patent number 7,385,779
- Issue date Jun 10, 2008
- Fujitsu Limited
- Kei Funabashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Ramp member assembly including flying slider in recording disk drive
- Patent number 7,158,349
- Issue date Jan 2, 2007
- Fujitsu Limited
- Masaharu Sakata
- G11 - INFORMATION STORAGE
Information Patent Grant
Head actuator
- Patent number 7,154,702
- Issue date Dec 26, 2006
- Fujitsu Limited
- Hiroshi Takekawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of writing servo tracks for disk file apparatus using write...
- Patent number 6,904,010
- Issue date Jun 7, 2005
- Fujitsu Limited
- Yasumasa Kuroba
- G11 - INFORMATION STORAGE
Information Patent Grant
Head position control method for a disk device and the disk device
- Patent number 6,819,519
- Issue date Nov 16, 2004
- Fujitsu Limited
- Kazuhiko Takaishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Head carriage assembly drive system and disk drive
- Patent number 6,671,120
- Issue date Dec 30, 2003
- Fujitsu Limited
- Shinji Koganezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Actuator using piezoelectric element and head-positioning mechanism...
- Patent number 6,538,854
- Issue date Mar 25, 2003
- Fujitsu Limited
- Shinji Koganezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Head position control for a disk drive which performs recording abo...
- Patent number 6,496,322
- Issue date Dec 17, 2002
- Fujitsu Limited
- Susumu Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive having external shock resistance
- Patent number 6,341,051
- Issue date Jan 22, 2002
- Fujitsu Limited
- Toshiyuki Hachiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Actuator using piezoelectric element and head-positioning mechanism...
- Patent number 6,327,120
- Issue date Dec 4, 2001
- Fujitsu Limited
- Shinji Koganezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Head position control for a disk drive which performs recording abo...
- Patent number 6,128,153
- Issue date Oct 3, 2000
- Fujitsu Limited
- Susumu Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for incorporating disk media into magnetic disk drive
- Patent number 6,081,990
- Issue date Jul 4, 2000
- Fujitsu Limited
- Yasumasa Kuroba
- G11 - INFORMATION STORAGE
Information Patent Grant
Construction for attaching a disk in a disk drive
- Patent number 6,025,973
- Issue date Feb 15, 2000
- Fujitsu Limited
- Yoshifumi Mizoshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Shaft construction of a disk drive
- Patent number 6,016,237
- Issue date Jan 18, 2000
- Fujitsu Limited
- Yoshifumi Mizoshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive provided with means for pressing head against disk
- Patent number 5,926,347
- Issue date Jul 20, 1999
- Fujitsu Limited
- Tohru Kouhei
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive having a thickness equal to an IC memory card
- Patent number 5,880,904
- Issue date Mar 9, 1999
- Fujitsu Limited
- Yoshifumi Mizoshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Head actuator having reduced and controlled vibration characteristi...
- Patent number 5,764,441
- Issue date Jun 9, 1998
- Fujitsu Limited
- Keiji Aruga
- G11 - INFORMATION STORAGE
Information Patent Grant
Head actuator
- Patent number 5,608,592
- Issue date Mar 4, 1997
- Fujitsu Limited
- Yoshifumi Mizoshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor and disk drive having the same
- Patent number 5,519,270
- Issue date May 21, 1996
- Fujitsu Limited
- Tomoyoshi Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk storage apparatus having a vibration proof structure
- Patent number 5,349,486
- Issue date Sep 20, 1994
- Fujitsu Limited
- Masaharu Sugimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary actuator for positioning magnetic heads in a disk drive
- Patent number 5,041,935
- Issue date Aug 20, 1991
- Fujitsu Limited
- Keiji Aruga
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Storage apparatus and control method
- Publication number 20080170320
- Publication date Jul 17, 2008
- Fujitsu Limited
- Kei Funabashi
- G11 - INFORMATION STORAGE
Information Patent Application
Disk device with bi-directional communication function
- Publication number 20070263315
- Publication date Nov 15, 2007
- FUJITSU LIMITED
- Kei Funabashi
- G11 - INFORMATION STORAGE
Information Patent Application
Disk apparatus, information processing system, and information prov...
- Publication number 20070206304
- Publication date Sep 6, 2007
- FUJITSU LIMITED
- Kazuhiko Takaishi
- G11 - INFORMATION STORAGE
Information Patent Application
Disk-device correcting system, information managing device, master-...
- Publication number 20070195443
- Publication date Aug 23, 2007
- FUJITSU LIMITED
- Hiroyuki Suzuki
- G11 - INFORMATION STORAGE
Information Patent Application
Ramp member assembly including flying slider in recording disk drive
- Publication number 20050128646
- Publication date Jun 16, 2005
- FUJITSU LIMITED
- Masaharu Sakata
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD CARRIAGE ASSEMBLY DRIVE SYSTEM AND DISK DRIVE
- Publication number 20030151845
- Publication date Aug 14, 2003
- SHINJI KOGANEZAWA
- G11 - INFORMATION STORAGE
Information Patent Application
Head actuator
- Publication number 20020114102
- Publication date Aug 22, 2002
- FUJITSU LIMITED
- Hiroshi Takekawa
- G11 - INFORMATION STORAGE
Information Patent Application
Actuator using piezoelectric element and head-positioning mechanism...
- Publication number 20010038515
- Publication date Nov 8, 2001
- FUJITSU LIMITED
- Shinji Koganezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Head position control method for a disk device and the disk device
- Publication number 20010022702
- Publication date Sep 20, 2001
- FUJITSU LIMITED
- Kazuhiko Takaishi
- G11 - INFORMATION STORAGE

TOMOYOSHI YAMADA

Person

Patents Grantslast 30 patents

Disk-device correcting system, information managing device, master-...

Storage apparatus and control method for detecting vibration produc...

Disk apparatus, information processing system, and information prov...

Disk device with bi-directional communication function

Ramp member assembly including flying slider in recording disk drive

Head actuator

Method of writing servo tracks for disk file apparatus using write...

Head position control method for a disk device and the disk device

Head carriage assembly drive system and disk drive

Actuator using piezoelectric element and head-positioning mechanism...

Head position control for a disk drive which performs recording abo...

Disk drive having external shock resistance

Actuator using piezoelectric element and head-positioning mechanism...

Head position control for a disk drive which performs recording abo...

Method for incorporating disk media into magnetic disk drive

Construction for attaching a disk in a disk drive

Shaft construction of a disk drive

Magnetic disk drive provided with means for pressing head against disk

Disk drive having a thickness equal to an IC memory card

Head actuator having reduced and controlled vibration characteristi...

Head actuator

Spindle motor and disk drive having the same

Magnetic disk storage apparatus having a vibration proof structure

Rotary actuator for positioning magnetic heads in a disk drive

Patents Applicationslast 30 patents

Storage apparatus and control method

Disk device with bi-directional communication function

Disk apparatus, information processing system, and information prov...

Disk-device correcting system, information managing device, master-...

Ramp member assembly including flying slider in recording disk drive

HEAD CARRIAGE ASSEMBLY DRIVE SYSTEM AND DISK DRIVE

Head actuator

Actuator using piezoelectric element and head-positioning mechanism...

Head position control method for a disk device and the disk device