Ryan Mayo has been granted 12 US patents while listed as an inventor at Western Digital Technologies . The first was granted in 2016 and the most recent in July 2025. Ryan Mayo ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Ryan Mayo in Aliso Viejo, CA, US.
Patents per Year Patents granted per year, 2016 to 2025 Bar chart with a peak of 5 patents in 2025. peak 5 2016: 1 patents 2016 2017: 1 patents 2017 2018: 2 patents 2018 2020: 1 patents 2020 2021: 1 patents 2021 2024: 1 patents 2024 2025: 5 patents 2025
Issued Patents All Time
Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12361965
Preamplifier circuit for parallel self-servo write
Joey M. Poss , Guoxiao Guo , Yanning Liu , Richard Conway , Scott A. Ottele +1 more
2025-07-15
12361968
Servo interface circuitry for parallel self-servo write
Yanning Liu , Guoxiao Guo , Joey M. Poss , Richard Conway , Scott A. Ottele +1 more
2025-07-15
12361970
Parallel self-servo write circuitry in a data storage device
Guoxiao Guo , Yanning Liu , Joey M. Poss , Richard Conway , Scott A. Ottele +1 more
2025-07-15
12354632
Parallel self-servo write in a data storage device
Richard Conway , Guoxiao Guo , Yanning Liu , Joey M. Poss , Scott A. Ottele +1 more
2025-07-08
12198722
Enhancing spin up and spin down times for data storage devices
Brian Johnson
2025-01-14
12148446
Power improvement for minimum switching frequency operation
Brian Johnson , Nathaniel Dupler
2024-11-19
$28,753,000
11126248
Data storage device detecting supply current limit
Robert P. Ryan , Brian Johnson , Shrey Khanna
2021-09-21
$9,659,000
10714133
Data storage device capable of overriding a servo command to avoid an overcurrent condition
Brian Johnson , Jaesoo Byoun
2020-07-14
$11,627,000
10127952
Power control module using protection circuit for regulating backup voltage to power load during power fault
—
2018-11-13
$19,030,000
9899834
Power control module using protection circuit for regulating backup voltage to power load during power fault
—
2018-02-20
$24,474,000
9823294
Negative voltage testing methodology and tester
Christopher Aiello , William K. Laird , John R. Agness
2017-11-21
$25,879,000
9304560
Backup power for reducing host current transients
William K. Laird , John R. Agness , Henry S. Ung
2016-04-05
$16,797,000