Brian A. Johnson

Person

Laguna Hills, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Data storage device with adaptive control of current balancer to mi...
- Patent number 12,272,388
- Issue date Apr 8, 2025
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device having dual actuators and method for emergency...
- Patent number 12,266,385
- Issue date Apr 1, 2025
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
VCM PWM to linear mode transition offset optimization to improve PES
- Patent number 12,254,909
- Issue date Mar 18, 2025
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Grant
Enhancing spin up and spin down times for data storage devices
- Patent number 12,198,722
- Issue date Jan 14, 2025
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Power improvement for minimum switching frequency operation
- Patent number 12,148,446
- Issue date Nov 19, 2024
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device with closed loop extended park mode during spin...
- Patent number 11,978,482
- Issue date May 7, 2024
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Optimize power, RTV, and coupled PES during seek operations
- Patent number 11,948,603
- Issue date Apr 2, 2024
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device with smart ISOFET threshold voltage automatic t...
- Patent number 11,862,202
- Issue date Jan 2, 2024
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device having dual actuators and method for data egres...
- Patent number 11,837,264
- Issue date Dec 5, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual spindle motors and dual spindle motor control for data storage
- Patent number 11,823,710
- Issue date Nov 21, 2023
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device having dual actuators and method for emergency...
- Patent number 11,763,844
- Issue date Sep 19, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
VCM PWM to linear mode transition offset optimization to improve PES
- Patent number 11,763,843
- Issue date Sep 19, 2023
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device with soft on-disk activation of fine actuators
- Patent number 11,749,303
- Issue date Sep 5, 2023
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device detecting supply current limit
- Patent number 11,126,248
- Issue date Sep 21, 2021
- Western Digital Technologies, Inc.
- Robert P. Ryan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data storage device capable of overriding a servo command to avoid...
- Patent number 10,714,133
- Issue date Jul 14, 2020
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device detecting spindle motor position at increased r...
- Patent number 10,242,706
- Issue date Mar 26, 2019
- Western Digital Technologies, Inc.
- Brian A. Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device regulating BEMF power voltage during power failure
- Patent number 10,242,698
- Issue date Mar 26, 2019
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device adjusting spindle motor current based on contin...
- Patent number 10,176,840
- Issue date Jan 8, 2019
- Western Digital Technologies, Inc.
- Brian A. Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device using programmable deglitch window to detect sa...
- Patent number 10,109,308
- Issue date Oct 23, 2018
- Western Digital Technologies, Inc.
- Brian A. Johnson
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
INCREASED VCM CURRENT RESOLUTION DURING TRACK FOLLOW TO DECREASE NRRO
- Publication number 20250124950
- Publication date Apr 17, 2025
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
ENHANCING SPIN UP AND SPIN DOWN TIMES FOR DATA STORAGE DEVICES
- Publication number 20240379123
- Publication date Nov 14, 2024
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE WITH ADAPTIVE CONTROL OF CURRENT BALANCER TO MI...
- Publication number 20240249746
- Publication date Jul 25, 2024
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE WITH ADAPTIVE CONTROL OF CURRENT BALANCER TO RE...
- Publication number 20240248526
- Publication date Jul 25, 2024
- Western Digital Technologies, Inc.
- Brian Johnson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTIMIZE POWER, RTV, AND COUPLED PES DURING SEEK OPERATIONS
- Publication number 20240096370
- Publication date Mar 21, 2024
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DUAL SPINDLE MOTORS AND DUAL SPINDLE MOTOR CONTROL FOR DATA STORAGE
- Publication number 20240062785
- Publication date Feb 22, 2024
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Application
VCM PWM TO LINEAR MODE TRANSITION OFFSET OPTIMIZATION TO IMPROVE PES
- Publication number 20230386512
- Publication date Nov 30, 2023
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR EMERGENCY...
- Publication number 20230386513
- Publication date Nov 30, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE WITH SMART ISOFET THRESHOLD VOLTAGE AUTOMATIC T...
- Publication number 20230360680
- Publication date Nov 9, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR DATA EGRES...
- Publication number 20230326484
- Publication date Oct 12, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR EMERGENCY...
- Publication number 20230326485
- Publication date Oct 12, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DUAL SPINDLE MOTORS AND DUAL SPINDLE MOTOR CONTROL FOR DATA STORAGE
- Publication number 20230267960
- Publication date Aug 24, 2023
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE WITH CLOSED LOOP EXTENDED PARK MODE DURING SPIN...
- Publication number 20230230616
- Publication date Jul 20, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE WITH SOFT ON-DISK ACTIVATION OF FINE ACTUATORS
- Publication number 20230186947
- Publication date Jun 15, 2023
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE DETECTING SUPPLY CURRENT LIMIT
- Publication number 20200409445
- Publication date Dec 31, 2020
- Western Digital Technologies, Inc.
- Robert P. Ryan
- G06 - COMPUTING CALCULATING COUNTING

Brian A. Johnson

Person

Patents Grantslast 30 patents

Data storage device with adaptive control of current balancer to mi...

Data storage device having dual actuators and method for emergency...

VCM PWM to linear mode transition offset optimization to improve PES

Enhancing spin up and spin down times for data storage devices

Power improvement for minimum switching frequency operation

Data storage device with closed loop extended park mode during spin...

Optimize power, RTV, and coupled PES during seek operations

Data storage device with smart ISOFET threshold voltage automatic t...

Data storage device having dual actuators and method for data egres...

Dual spindle motors and dual spindle motor control for data storage

Data storage device having dual actuators and method for emergency...

VCM PWM to linear mode transition offset optimization to improve PES

Data storage device with soft on-disk activation of fine actuators

Data storage device detecting supply current limit

Data storage device capable of overriding a servo command to avoid...

Data storage device detecting spindle motor position at increased r...

Data storage device regulating BEMF power voltage during power failure

Data storage device adjusting spindle motor current based on contin...

Data storage device using programmable deglitch window to detect sa...

Patents Applicationslast 30 patents

INCREASED VCM CURRENT RESOLUTION DURING TRACK FOLLOW TO DECREASE NRRO

ENHANCING SPIN UP AND SPIN DOWN TIMES FOR DATA STORAGE DEVICES

DATA STORAGE DEVICE WITH ADAPTIVE CONTROL OF CURRENT BALANCER TO MI...

DATA STORAGE DEVICE WITH ADAPTIVE CONTROL OF CURRENT BALANCER TO RE...

OPTIMIZE POWER, RTV, AND COUPLED PES DURING SEEK OPERATIONS

DUAL SPINDLE MOTORS AND DUAL SPINDLE MOTOR CONTROL FOR DATA STORAGE

VCM PWM TO LINEAR MODE TRANSITION OFFSET OPTIMIZATION TO IMPROVE PES

DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR EMERGENCY...

DATA STORAGE DEVICE WITH SMART ISOFET THRESHOLD VOLTAGE AUTOMATIC T...

DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR DATA EGRES...

DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR EMERGENCY...

DUAL SPINDLE MOTORS AND DUAL SPINDLE MOTOR CONTROL FOR DATA STORAGE

DATA STORAGE DEVICE WITH CLOSED LOOP EXTENDED PARK MODE DURING SPIN...

DATA STORAGE DEVICE WITH SOFT ON-DISK ACTIVATION OF FINE ACTUATORS

DATA STORAGE DEVICE DETECTING SUPPLY CURRENT LIMIT