ASHOK K. DESAI

Person

WESTLAKE VILLAGE, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Disk drive with improved spin-up control
- Patent number 9,147,428
- Issue date Sep 29, 2015
- Western Digital Technologies, Inc.
- Charles J. Calaway
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive adjusting gain of spindle motor compensator based on a r...
- Patent number 8,737,008
- Issue date May 27, 2014
- Western Digital Technologies, Inc.
- Taylor Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive optimizing spindle motor torque by adjusting leading pha...
- Patent number 8,610,391
- Issue date Dec 17, 2013
- Western Digital Technologies, Inc.
- Wenli Yang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Disk drive detecting when head is parked on ramp
- Patent number 8,072,703
- Issue date Dec 6, 2011
- Western Digital Technologies, Inc.
- Charles J. Calaway
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive updating estimate of voice coil resistance to account fo...
- Patent number 7,876,522
- Issue date Jan 25, 2011
- Western Digital Technologies, Inc.
- Charles J. Calaway
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive calibrating voice coil resistance for velocity control o...
- Patent number 7,800,857
- Issue date Sep 21, 2010
- Western Digital Technologies, Inc.
- Charles J. Calaway
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive seeking to OD track and then ramping velocity to impleme...
- Patent number 7,573,670
- Issue date Aug 11, 2009
- Western Digital Technologies, Inc.
- Robert P. Ryan
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive controlling a voice coil motor during an emergency unload
- Patent number 7,548,392
- Issue date Jun 16, 2009
- Western Digital Technologies, Inc.
- Ashok K. Desai
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive employing a calibrated brake pulse to reduce acoustic no...
- Patent number 7,224,546
- Issue date May 29, 2007
- Western Digital Technologies, Inc.
- Gokhan Orakcilar
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive employing momentum based unload during power failure
- Patent number 7,095,579
- Issue date Aug 22, 2006
- Western Digital Technologies, Inc.
- Robert P. Ryan
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for sensing position in a disk drive
- Patent number 5,602,693
- Issue date Feb 11, 1997
- Micropolis (S) PTE Ltd.
- Don Brunnett
- G11 - INFORMATION STORAGE
Information Patent Grant
Efficient head positioner power amplifier
- Patent number 4,939,600
- Issue date Jul 3, 1990
- Micropolis Corporation
- Ashok K. Desai
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive head positioning servo system utilizing encoded track zo...
- Patent number 4,910,617
- Issue date Mar 20, 1990
- Brand Technologies
- Donald Brunnett
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for recording disk servo information with deta...
- Patent number 4,831,470
- Issue date May 16, 1989
- Brand Technologies
- Donald Brunnett
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DISK DRIVE WITH IMPROVED SPIN-UP CONTROL
- Publication number 20150380045
- Publication date Dec 31, 2015
- WESTERN DIGITAL TECHNOLOGIES, INC.
- CHARLES J. CALAWAY
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE WITH IMPROVED SPIN-UP CONTROL
- Publication number 20140320998
- Publication date Oct 30, 2014
- WESTERN DIGITAL TECHNOLOGIES, INC.
- CHARLES J. CALAWAY
- G11 - INFORMATION STORAGE

ASHOK K. DESAI

Person

Patents Grantslast 30 patents

Disk drive with improved spin-up control

Disk drive adjusting gain of spindle motor compensator based on a r...

Disk drive optimizing spindle motor torque by adjusting leading pha...

Disk drive detecting when head is parked on ramp

Disk drive updating estimate of voice coil resistance to account fo...

Disk drive calibrating voice coil resistance for velocity control o...

Disk drive seeking to OD track and then ramping velocity to impleme...

Disk drive controlling a voice coil motor during an emergency unload

Disk drive employing a calibrated brake pulse to reduce acoustic no...

Disk drive employing momentum based unload during power failure

Method and apparatus for sensing position in a disk drive

Efficient head positioner power amplifier

Disk drive head positioning servo system utilizing encoded track zo...

Method and apparatus for recording disk servo information with deta...

Patents Applicationslast 30 patents

DISK DRIVE WITH IMPROVED SPIN-UP CONTROL

DISK DRIVE WITH IMPROVED SPIN-UP CONTROL