Inventor
AHN YONGCHUL
US33 patents
⚠️ This page may combine multiple inventors who share the name “AHN YONGCHUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTERN DIGITAL TECH INC
15 patentsUS10762917B1Sep 1, 2020
Reversed mode spin torque oscillator with shaped field generation layer
WESTERN DIGITAL TECH INC20 citations94
US10720570B2Jul 21, 2020
Magnetic sensor using spin hall effect
WESTERN DIGITAL TECH INC20 citations94
US11489108B2Nov 1, 2022
BiSb topological insulator with seed layer or interlayer to prevent sb diffusion and promote BiSb (012) orientation
WESTERN DIGITAL TECH INC6 citations86
US10943611B1Mar 9, 2021
Spintronic devices with narrow spin polarization layers
WESTERN DIGITAL TECH INC14 citations86
US12314842B2May 27, 2025
Matrix-vector multiplication using SOT-based non-volatile memory cells
WESTERN DIGITAL TECH INC2 citations75
US10381032B2Aug 13, 2019
Magnetic sensors with effectively shaped side shields
WESTERN DIGITAL TECH INC3 citations73
US10311901B1Jun 4, 2019
Anisotropy field induced self pinned recessed antiferromagnetic reader
WESTERN DIGITAL TECH INC4 citations73
US12527232B2Jan 13, 2026
BiSb topological insulator with seed layer or interlayer to prevent Sb diffusion and promote BiSb (012) orientation
WESTERN DIGITAL TECH INC0 citations62
US11925120B2Mar 5, 2024
Spintronic devices with self-cooling function
WESTERN DIGITAL TECH INC0 citations62
US11862205B1Jan 2, 2024
Spin torque oscillator with multilayer seed for improved performance and reliability
WESTERN DIGITAL TECH INC0 citations62
US11283008B1Mar 22, 2022
Apparatus and methods for magnetic memory devices with magnetic assist layer
WESTERN DIGITAL TECH INC0 citations62
US11393516B2Jul 19, 2022
SOT-based spin torque oscillators for oscillatory neural networks
WESTERN DIGITAL TECH INC0 citations52
US10872627B2Dec 22, 2020
Reversed mode spin torque oscillator with shaped field generation layer
WESTERN DIGITAL TECH INC0 citations52
US10839845B2Nov 17, 2020
Magnetic sensors with effectively shaped side shields
WESTERN DIGITAL TECH INC0 citations52
US12597437B2Apr 7, 2026
Rear soft bias dual free layer sensor with patterned decoupling layer
WESTERN DIGITAL TECH INC0 citations46
CYPRESS SEMICONDUCTOR CORP
3 patentsUS6727161B2Apr 27, 2004
Isolation technology for submicron semiconductor devices
CYPRESS SEMICONDUCTOR CORP7 citations73
US6770566B1Aug 3, 2004
Methods of forming semiconductor structures, and articles and devices formed thereby
CYPRESS SEMICONDUCTOR CORP2 citations62
US8030172B1Oct 4, 2011
Isolation technology for submicron semiconductor devices
CYPRESS SEMICONDUCTOR CORP4 citations59
AHN YONGCHUL
2 patentsSAMSUNG ELECTRONICS CO LTD
2 patentsUS5652187AJul 29, 1997
Method for fabricating doped interlayer-dielectric film of semiconductor device using a plasma treatment
SAMSUNG ELECTRONICS CO LTD36 citations89
US5405489AApr 11, 1995
Method for fabricating an interlayer-dielectric film of a semiconductor device by using a plasma treatment prior to reflow
SAMSUNG ELECTRONICS CO LTD44 citations89