JC

John Contreras

HB Hgst Netherlands, B.V.: 41 patents #1 of 972Top 1%
WT Western Digital Technologies: 38 patents #38 of 3,180Top 2%
HG HGST: 26 patents #44 of 1,677Top 3%
IBM: 12 patents #9,222 of 70,183Top 15%
ST Sandisk Technologies: 2 patents #967 of 2,224Top 45%
📍 Palo Alto, CA: #76 of 9,675 inventorsTop 1%
🗺 California: #1,595 of 386,348 inventorsTop 1%
Overall (All Time): #10,116 of 4,157,543Top 1%
119
Patents All Time

Issued Patents All Time

Showing 1–25 of 119 patents

Patent #TitleCo-InventorsDate
12347467 DC and synchronized energy assisted perpendicular magnetic recording (EPMR) driver circuit for hard disk drive (HDD) Joey M. Poss, Yunfei Ding 2025-07-01
12347465 Differential sense of embedded contact sensor (ECS) and near-field temperature sensor (NTS) utilizing chopping amplifier Joey M. Poss, Bernhard E. Knigge 2025-07-01
12347472 Positive laser bias electrical control architecture for dark laser heating in heat assisted magnetic recording Joey M. Poss 2025-07-01
12183372 System controlled RF signal source architecture with transducer near pole-tip for microwave assisted magnetic recording Howard Gordon Zolla, Yunfei Ding, Joey M. Poss 2024-12-31
12140485 Alternating-bias signal resistance detection for resistive temperature detectors in disk drives Joey M. Poss, Ronald Chang, Bernhard E. Knigge 2024-11-12
12125509 Dark laser heating by positive pulse biasing in heat assisted magnetic recording Sukumar Rajauria, Rehan Ahmed Zakai, Joey M. Poss, Xinzhi Xing 2024-10-22
12100422 Multiple-actuator HDD assembly utilizing multiple-preamp architecture with single point termination Daniel Oh 2024-09-24
11961542 Continuous dual path resistance detection for resistive temperature detectors in disk drives Joey M. Poss, Ronald Chang, Bernhard E. Knigge 2024-04-16
11874182 Alternating-bias signal resistance detection for resistive temperature detectors in disk drives Joey M. Poss, Ronald Chang, Bernhard E. Knigge 2024-01-16
11818834 Flexible printed circuit finger layout for low crosstalk Masahiro Kishimoto, Kazuhiro Nagaoka, Satoshi Nakamura 2023-11-14
11615804 Disk drive biasing two write assist elements using three terminal control circuitry Joey M. Poss, Ian Robson McFadyen, Yaw-Shing Tang 2023-03-28
11477881 Spark gap electrostatic discharge (ESD) protection for memory cards Albert John Wallash, Shajith Musaliar Sirajudeen 2022-10-18
11456022 Distributed grouped terminations for multiple memory integrated circuit systems Srinivas Rajendra, Sayed Mobin, Rehan Ahmed Zakai 2022-09-27
11361786 Data storage device employing amplifier feedback for impedance matching Joey M. Poss 2022-06-14
11362063 Semiconductor device with die-skipping wire bonds Xinzhi Xing 2022-06-14
11303276 Active low-power termination Rehan Ahmed Zakai, Srinivas Rajendra, Venkatesh Ramachandra 2022-04-12
11302645 Printed circuit board compensation structure for high bandwidth and high die-count memory stacks Sayed Mobin, Daniel Oh, Rehan Ahmed Zakai 2022-04-12
11295764 Data storage device transmitting configuration data to a preamp circuit over a read line Jonas Goode, Richard Leo Galbraith, Joey M. Poss 2022-04-05
11276424 Data storage devices with integrated slider voltage potential control Yunfei Ding, Kuok San Ho, Ian Robson McFadyen, Joey M. Poss 2022-03-15
11087784 Data storage devices with integrated slider voltage potential control Yunfei Ding, Kuok San Ho, Ian Robson McFadyen, Joey M. Poss 2021-08-10
10950265 Data storage device configured with manufacture PCB for concurrent write/read operation Junzo Noda, Robert C. Reinhart, Michael J. Esmond, Masahito Kobayashi, Alec Parken 2021-03-16
10896695 Data storage device comprising dual channel preamp circuit Junzo Noda, Masahito Kobayashi 2021-01-19
10891973 High-bandwidth STO bias architecture with integrated slider voltage potential control Yunfei Ding, Kuok San Ho, Ian Robson McFadyen, Joey M. Poss 2021-01-12
10650850 Hard disk drive with write gap conductive structure and dual independent interface voltage control circuitry Sukumar Rajauria, Na Wang, Erhard Schreck, Qing Dai 2020-05-12
10643676 Series resistance in transmission lines for die-to-die communication Sayed Mobin, Pranav Balachander 2020-05-05