Keishi Takahashi

Person

Kanagawa-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Servo patterning compatible with planarization of patterned magneti...
- Patent number 8,526,132
- Issue date Sep 3, 2013
- HGST Netherlands, B.V.
- Thomas R. Albrecht
- G11 - INFORMATION STORAGE
Information Patent Grant
Storage devices and method of transferring file between the devices
- Patent number 7,620,740
- Issue date Nov 17, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Makoto Takase
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic disk drive using load/unload area for data storage
- Patent number 7,542,223
- Issue date Jun 2, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Minoru Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for hard disk drive optimization and manufacturing
- Patent number 7,457,065
- Issue date Nov 25, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Kenji Ogasawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive with function assignment and manufacturing meth...
- Patent number 7,426,088
- Issue date Sep 16, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Makoto Takase
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary disk type storage device
- Patent number 7,379,396
- Issue date May 27, 2008
- Hitchi Global Storage Technologies Netherlands B.V.
- Shingo Tsuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device and data-erasing method
- Patent number 6,900,956
- Issue date May 31, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroki Kitahori
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with improved retract circuit and method
- Patent number 6,643,087
- Issue date Nov 4, 2003
- Hitachi Global Storage Technologies Netherlands B.V.
- Kenji Kuroki
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive apparatus including a load/unload ramp with different an...
- Patent number 6,639,758
- Issue date Oct 28, 2003
- Hitachi Global Storage Technologies Netherlands B.V.
- Mutsuro Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Shock measurement apparatus and shock measurement method
- Patent number 6,593,855
- Issue date Jul 15, 2003
- International Business Machines Corporation
- Takane Fujino
- G01 - MEASURING TESTING
Information Patent Grant
Head assembly, disk drive apparatus, hard disk drive and method for...
- Patent number 6,532,137
- Issue date Mar 11, 2003
- International Business Machines Corporation
- Fu-Ying Huang
- G11 - INFORMATION STORAGE
Information Patent Grant
Suspension assembly with integral projections having a coating of e...
- Patent number 6,362,936
- Issue date Mar 26, 2002
- International Business Machines Corporation
- Hiroo Inoue
- G11 - INFORMATION STORAGE
Information Patent Grant
Inertial latch mechanism for actuator of disk drive device
- Patent number 6,163,440
- Issue date Dec 19, 2000
- International Business Machines Corporation
- Kohji Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for guiding and locking a rotary actuator
- Patent number 6,137,658
- Issue date Oct 24, 2000
- International Business Machines Corporation
- Shinichi Matsuzaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor with stress alleviating groove provided in hub cylind...
- Patent number 5,896,242
- Issue date Apr 20, 1999
- International Business Machines Corporation
- David W. Albrecht
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Flexible cable structure for magnetic disk drives
- Patent number 5,760,997
- Issue date Jun 2, 1998
- International Business Machines Corporation
- Ichiroh Koyanagi
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for locking a disk actuator in vertical and horiz...
- Patent number 5,671,104
- Issue date Sep 23, 1997
- International Business Machines Corporation
- Kohji Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Temperature compensating mechanism for positioning of a magnetic he...
- Patent number 4,691,258
- Issue date Sep 1, 1987
- International Business Machines Corporation
- Masashi Kobayashi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
ROTATING ELECTROMAGNET FOR REMOVABLE DISK CLAMP
- Publication number 20240161776
- Publication date May 16, 2024
- Western Digital Technologies, Inc.
- Jim Malina
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO PATTERNING COMPATIBLE WITH PLANARIZATION OF PATTERNED MAGNETI...
- Publication number 20110188149
- Publication date Aug 4, 2011
- Thomas R. Albrecht
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive and method for writing/reading
- Publication number 20070086106
- Publication date Apr 19, 2007
- Hitachi Global Storage Technilogies Netherlands B.V.
- Minoru Hashimoto
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive with function assignment and manufacturing meth...
- Publication number 20060187565
- Publication date Aug 24, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Makoto Takase
- G11 - INFORMATION STORAGE
Information Patent Application
Storage devices and method of transferring file between the devices
- Publication number 20050207253
- Publication date Sep 22, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Makoto Takase
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Magnetic disk space
- Publication number 20050057848
- Publication date Mar 17, 2005
- Hitachi Global Storage Technologies Netherlands, B.V.
- Kazutaka Okasaka
- G11 - INFORMATION STORAGE
Information Patent Application
Rotary disk type storage device
- Publication number 20050036240
- Publication date Feb 17, 2005
- Hitachi Global Storage Technologies Netherlands, B.V.
- Shingo Tsuda
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and methods for hard disk drive optimization and manufacturing
- Publication number 20040179285
- Publication date Sep 16, 2004
- Hitachi Global Storage Technologies Netherlands, B.V.
- Kenji Ogasawara
- G11 - INFORMATION STORAGE
Information Patent Application
Head assembly, disk drive apparatus, hard disk drive and method for...
- Publication number 20020063999
- Publication date May 30, 2002
- International Business Machines Corporation
- Fu-Ying Huang
- G11 - INFORMATION STORAGE
Information Patent Application
Shock measurement apparatus and shock measurement method
- Publication number 20020043114
- Publication date Apr 18, 2002
- Takane Fujino
- G01 - MEASURING TESTING
Information Patent Application
Disk device and data-erasing method
- Publication number 20020021521
- Publication date Feb 21, 2002
- International Business Machines Corporation
- Hiroki Kitahori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Disk drive apparatus and manufacturing method
- Publication number 20010015875
- Publication date Aug 23, 2001
- International Business Machines Corporation
- Mutsuro Ohta
- G11 - INFORMATION STORAGE
Information Patent Application
SUSPENSION ASSEMBLY
- Publication number 20010012181
- Publication date Aug 9, 2001
- HIROO INOUE
- G11 - INFORMATION STORAGE

Keishi Takahashi

Person

Patents Grantslast 30 patents

Servo patterning compatible with planarization of patterned magneti...

Storage devices and method of transferring file between the devices

Magnetic disk drive using load/unload area for data storage

Systems and methods for hard disk drive optimization and manufacturing

Magnetic disk drive with function assignment and manufacturing meth...

Rotary disk type storage device

Disk device and data-erasing method

Disk drive with improved retract circuit and method

Disk drive apparatus including a load/unload ramp with different an...

Shock measurement apparatus and shock measurement method

Head assembly, disk drive apparatus, hard disk drive and method for...

Suspension assembly with integral projections having a coating of e...

Inertial latch mechanism for actuator of disk drive device

Apparatus for guiding and locking a rotary actuator

Spindle motor with stress alleviating groove provided in hub cylind...

Flexible cable structure for magnetic disk drives

System and method for locking a disk actuator in vertical and horiz...

Temperature compensating mechanism for positioning of a magnetic he...

Patents Applicationslast 30 patents

ROTATING ELECTROMAGNET FOR REMOVABLE DISK CLAMP

SERVO PATTERNING COMPATIBLE WITH PLANARIZATION OF PATTERNED MAGNETI...

Magnetic disk drive and method for writing/reading

Magnetic disk drive with function assignment and manufacturing meth...

Storage devices and method of transferring file between the devices

Magnetic disk space

Rotary disk type storage device

Systems and methods for hard disk drive optimization and manufacturing

Head assembly, disk drive apparatus, hard disk drive and method for...

Shock measurement apparatus and shock measurement method

Disk device and data-erasing method

Disk drive apparatus and manufacturing method

SUSPENSION ASSEMBLY