Charles A. Park

Person

Aromas, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Data storage device measuring reader/writer offset by reading spira...
- Patent number 9,245,560
- Issue date Jan 26, 2016
- Western Digital Technologies, Inc.
- Jianbin Nie
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device attenuating interference from first spiral trac...
- Patent number 9,208,810
- Issue date Dec 8, 2015
- Western Digital Technologies, Inc.
- Jianbin Nie
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device reading first spiral track while simultaneously...
- Patent number 8,982,490
- Issue date Mar 17, 2015
- Western Digital Technologies, Inc.
- Charles A. Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive calibrating a velocity profile prior to writing a spiral...
- Patent number 8,917,474
- Issue date Dec 23, 2014
- Western Digital Technologies, Inc.
- Brian P. Rigney
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive performing spiral scan of disk surface to detect residua...
- Patent number 8,896,957
- Issue date Nov 25, 2014
- Western Digital Technologies, Inc.
- Yap Han Ng
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device initializing read signal gain to detect servo s...
- Patent number 8,891,191
- Issue date Nov 18, 2014
- Western Digital Technologies, Inc.
- Charles A. Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive servoing on first disk surface while erasing second disk...
- Patent number 8,861,123
- Issue date Oct 14, 2014
- Western Digital Technologies, Inc.
- Edmund Ooi Huat Lye
- G11 - INFORMATION STORAGE
Information Patent Grant
Servoing on zoned concentric servo sectors of a first disk surface...
- Patent number 8,743,504
- Issue date Jun 3, 2014
- Western Digital Technologies, Inc.
- Lawrence M. Bryant
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive employing overlapping servo zones to facilitate servo zo...
- Patent number 8,724,245
- Issue date May 13, 2014
- Western Digital Technologies, Inc.
- Steven C. Smith
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive performing in-drive spiral track writing
- Patent number 8,634,283
- Issue date Jan 21, 2014
- Western Digital Technologies, Inc.
- Brian P. Rigney
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive writing a sync mark seam in a bootstrap spiral track
- Patent number 8,634,154
- Issue date Jan 21, 2014
- Western Digital Technologies, Inc.
- Brian P. Rigney
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive biasing timing recovery measurements for spiral tracks b...
- Patent number 8,498,076
- Issue date Jul 30, 2013
- Western Digital Technologies, Inc.
- Edgar D. Sheh
- G11 - INFORMATION STORAGE
Information Patent Grant
Spiral slope approximation of spiral patterns written to a disk of...
- Patent number 7,852,592
- Issue date Dec 14, 2010
- Western Digital Technologies, Inc.
- Jiangang Liang
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive demodulating a spiral track by finding a maximum correla...
- Patent number 7,656,604
- Issue date Feb 2, 2010
- Western Digital Technologies, Inc.
- Jiangang Liang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing and disk drive produced by measuring the re...
- Patent number 7,035,026
- Issue date Apr 25, 2006
- Western Digital Technologies, Inc.
- Raffi Codilian
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing and disk drive produced by measuring the re...
- Patent number 6,885,514
- Issue date Apr 26, 2005
- Western Digital Technologies, Inc.
- Raffi Codilian
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing and disk drive produced by measuring the re...
- Publication number 20050117240
- Publication date Jun 2, 2005
- WESTERN DIGITAL TECHNOLOGIES, INC.
- Raffi Codilian
- G11 - INFORMATION STORAGE

Charles A. Park

Person

Patents Grantslast 30 patents

Data storage device measuring reader/writer offset by reading spira...

Data storage device attenuating interference from first spiral trac...

Data storage device reading first spiral track while simultaneously...

Disk drive calibrating a velocity profile prior to writing a spiral...

Disk drive performing spiral scan of disk surface to detect residua...

Data storage device initializing read signal gain to detect servo s...

Disk drive servoing on first disk surface while erasing second disk...

Servoing on zoned concentric servo sectors of a first disk surface...

Disk drive employing overlapping servo zones to facilitate servo zo...

Disk drive performing in-drive spiral track writing

Disk drive writing a sync mark seam in a bootstrap spiral track

Disk drive biasing timing recovery measurements for spiral tracks b...

Spiral slope approximation of spiral patterns written to a disk of...

Disk drive demodulating a spiral track by finding a maximum correla...

Method of manufacturing and disk drive produced by measuring the re...

Method of manufacturing and disk drive produced by measuring the re...

Patents Applicationslast 30 patents

Method of manufacturing and disk drive produced by measuring the re...