John R. Agness

Person

Laguna Hills, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Negative voltage testing methodology and tester
- Patent number 9,823,294
- Issue date Nov 21, 2017
- Western Digital Technologies, Inc.
- Christopher Aiello
- G01 - MEASURING TESTING
Information Patent Grant
Power control module for data storage device
- Patent number 9,484,733
- Issue date Nov 1, 2016
- Western Digital Technologies, Inc.
- Timothy A. Ferris
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Self-adaptive voltage scaling
- Patent number 9,471,072
- Issue date Oct 18, 2016
- Western Digital Technologies, Inc.
- William K. Laird
- G05 - CONTROLLING REGULATING
Information Patent Grant
System and method for preventing undesirable substantially concurre...
- Patent number 9,443,431
- Issue date Sep 13, 2016
- Western Digital Technologies, Inc.
- William K. Laird
- G08 - SIGNALLING
Information Patent Grant
Circuit technique to integrate voice coil motor support elements
- Patent number 9,350,278
- Issue date May 24, 2016
- Western Digital Technologies, Inc.
- Richard A. Schwab
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Backup power for reducing host current transients
- Patent number 9,304,560
- Issue date Apr 5, 2016
- Western Digital Technologies, Inc.
- William K. Laird
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Self-heating integrated circuit
- Patent number 9,275,927
- Issue date Mar 1, 2016
- Western Digital Technologies, Inc.
- Timothy A. Ferris
- G01 - MEASURING TESTING
Information Patent Grant
Data storage device with overvoltage protection
- Patent number 9,251,839
- Issue date Feb 2, 2016
- Western Digital Technologies, Inc.
- John R. Agness
- G11 - INFORMATION STORAGE
Information Patent Grant
Voice coil motor temperature sensing circuit to reduce catastrophic...
- Patent number 9,245,540
- Issue date Jan 26, 2016
- Western Digital Technologies, Inc.
- John R. Agness
- G11 - INFORMATION STORAGE
Information Patent Grant
Backup energy storage module with selectable charge storage element...
- Patent number 9,143,005
- Issue date Sep 22, 2015
- Western Digital Technologies, Inc.
- William K. Laird
- G11 - INFORMATION STORAGE
Information Patent Grant
Power architecture for low power modes in storage devices
- Patent number 9,058,834
- Issue date Jun 16, 2015
- Western Digital Technologies, Inc.
- Timothy A. Ferris
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive logging failure analysis data when performing an emergen...
- Patent number 8,970,977
- Issue date Mar 3, 2015
- Western Digital Technologies, Inc.
- John R. Agness
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor die including a current routing line having non-metal...
- Patent number 8,779,574
- Issue date Jul 15, 2014
- Western Digital Technologies, Inc.
- John R. Agness
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Data storage device employing cascaded voltage regulators during po...
- Patent number 8,767,354
- Issue date Jul 1, 2014
- Western Digital Technologies, Inc.
- Timothy A. Ferris
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for charging back-up charge storage element for d...
- Patent number 8,724,422
- Issue date May 13, 2014
- Western Digital Technologies, Inc.
- John R. Agness
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor die including a current routing line having non-metal...
- Patent number 8,432,031
- Issue date Apr 30, 2013
- Western Digital Technologies, Inc.
- John R. Agness
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Self-heating integrated circuit
- Patent number 8,358,145
- Issue date Jan 22, 2013
- Western Digital Technologies, Inc.
- Timothy A. Ferris
- G11 - INFORMATION STORAGE
Information Patent Grant
Soft start sequencer for starting multiple voltage regulators
- Patent number 8,145,934
- Issue date Mar 27, 2012
- Western Digital Technologies, Inc.
- Timothy A. Ferris
- G06 - COMPUTING CALCULATING COUNTING
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

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR PREVENTING UNDESIRABLE SUBSTANTIALLY CONCURRE...
- Publication number 20170005573
- Publication date Jan 5, 2017
- WESTERN DIGITAL TECHNOLOGIES, INC.
- WILLIAM K. LAIRD
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VOICE COIL MOTOR TEMPERATURE SENSING CIRCUIT TO REDUCE CATASTROPHIC...
- Publication number 20160124444
- Publication date May 5, 2016
- WESTERN DIGITAL TECHNOLOGIES, INC.
- JOHN R. AGNESS
- G05 - CONTROLLING REGULATING
Information Patent Application
BACKUP POWER FOR REDUCING HOST CURRENT TRANSIENTS
- Publication number 20140380067
- Publication date Dec 25, 2014
- WESTERN DIGITAL TECHNOLOGIES, INC.
- WILLIAM K. LAIRD
- G06 - COMPUTING CALCULATING COUNTING

John R. Agness

Person

Patents Grantslast 30 patents

Negative voltage testing methodology and tester

Power control module for data storage device

Self-adaptive voltage scaling

System and method for preventing undesirable substantially concurre...

Circuit technique to integrate voice coil motor support elements

Backup power for reducing host current transients

Self-heating integrated circuit

Data storage device with overvoltage protection

Voice coil motor temperature sensing circuit to reduce catastrophic...

Backup energy storage module with selectable charge storage element...

Power architecture for low power modes in storage devices

Disk drive logging failure analysis data when performing an emergen...

Semiconductor die including a current routing line having non-metal...

Data storage device employing cascaded voltage regulators during po...

System and method for charging back-up charge storage element for d...

Semiconductor die including a current routing line having non-metal...

Self-heating integrated circuit

Soft start sequencer for starting multiple voltage regulators

Disk drive employing momentum based unload during power failure

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR PREVENTING UNDESIRABLE SUBSTANTIALLY CONCURRE...

VOICE COIL MOTOR TEMPERATURE SENSING CIRCUIT TO REDUCE CATASTROPHIC...

BACKUP POWER FOR REDUCING HOST CURRENT TRANSIENTS