Inventor
KAWASAKI SHOHEI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “KAWASAKI SHOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEADWAY TECH INC
14 patentsUS11568891B1Jan 31, 2023
Magnetic flux guiding device with spin torque oscillator (STO) film having negative spin polarization layers in assisted writing application
HEADWAY TECH INC18 citations94
US10937450B1Mar 2, 2021
Magnetic flux guiding device with spin torque oscillator (STO) film having one or more negative spin polarization layers in assisted writing application
HEADWAY TECH INC23 citations94
US10522174B1Dec 31, 2019
Magnetic flux guiding device with antiferromagnetically coupled (AFC) spin polarizer in assisted writing application
HEADWAY TECH INC22 citations94
US11380355B2Jul 5, 2022
Adaptive bias control for magnetic recording head
HEADWAY TECH INC7 citations86
US10490216B1Nov 26, 2019
Magnetic flux guiding device with antiferromagnetically coupled (AFC) oscillator in assisted writing application
HEADWAY TECH INC13 citations84
US10424326B1Sep 24, 2019
Magnetic flux guiding device with antiferromagnetically coupled (AFC) spin polarizer in assisted writing application
HEADWAY TECH INC10 citations84
US11295768B1Apr 5, 2022
Writer with laterally graded spin layer MsT
HEADWAY TECH INC3 citations73
US11011193B1May 18, 2021
Dual flux change layer (FCL) assisted magnetic recording
HEADWAY TECH INC4 citations73
US12266384B2Apr 1, 2025
Tunneling magnetoresistance device with magnetically soft high moment free layer
HEADWAY TECH INC0 citations62
US12211526B2Jan 28, 2025
Adaptive bias control for magnetic recording head
HEADWAY TECH INC0 citations62
US12068008B2Aug 20, 2024
Magnetic flux guiding device with spin torque oscillator (STO) film having negative spin polarization layers in assisted writing application
HEADWAY TECH INC0 citations62
US11887635B2Jan 30, 2024
Adaptive bias control for magnetic recording head
HEADWAY TECH INC0 citations62
US11545175B2Jan 3, 2023
Writer with laterally graded spin layer MsT
HEADWAY TECH INC0 citations62
US12451156B2Oct 21, 2025
Dual-spin torque oscillator designs in microwave assisted magnetic recording
HEADWAY TECH INC0 citations51
TDK CORP
3 patentsUS8891208B2Nov 18, 2014
CPP-type magnetoresistive element including a rear bias structure and lower shields with inclined magnetizations
TDK CORP8 citations83
US8896974B2Nov 25, 2014
Thin film magnetic head with side layers under compression stress
TDK CORP5 citations72
US9129622B2Sep 8, 2015
CPP-type magnetoresistance effect element and magnetic disk device
TDK CORP1 citations51