Inventor
LI ZHANJIE
US94 patents
⚠️ This page may combine multiple inventors who share the name “LI ZHANJIE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTERN DIGITAL TECH INC
27 patentsUS10210888B1Feb 19, 2019
Dual spin-orbit torque oscillator in magnetic recording
WESTERN DIGITAL TECH INC77 citations98
US10181334B1Jan 15, 2019
Spin-orbit torque based magnetic recording
WESTERN DIGITAL TECH INC55 citations98
US10014012B1Jul 3, 2018
Spin-orbit torque based magnetic recording
WESTERN DIGITAL TECH INC61 citations98
US11222656B1Jan 11, 2022
Method to reduce baseline shift for a SOT differential reader
WESTERN DIGITAL TECH INC24 citations95
US11100946B1Aug 24, 2021
SOT differential reader and method of making same
WESTERN DIGITAL TECH INC23 citations94
US10867626B1Dec 15, 2020
Spin orbital torque based microwave assisted magnetic recording with dual spin hall layers or wrap around spin hall layer
WESTERN DIGITAL TECH INC22 citations94
US10839831B1Nov 17, 2020
Dual writer designs with SOT and STT assisted recording
WESTERN DIGITAL TECH INC32 citations94
US10403309B2Sep 3, 2019
Dual spin-orbit torque oscillator in magnetic recording
WESTERN DIGITAL TECH INC16 citations94
US10157632B1Dec 18, 2018
Areal density capability improvement with spin-orbit torque based structures surrounding main pole tip
WESTERN DIGITAL TECH INC28 citations94
US11783853B1Oct 10, 2023
Topological insulator based spin torque oscillator reader
WESTERN DIGITAL TECH INC5 citations86
US10650847B2May 12, 2020
Spin-orbit torque induced magnetization switching in a magnetic recording head
WESTERN DIGITAL TECH INC11 citations86
US11437058B2Sep 6, 2022
Areal density capability improvement with a main pole skin
WESTERN DIGITAL TECH INC4 citations84
US10891976B1Jan 12, 2021
Areal density capability improvement with a main pole skin
WESTERN DIGITAL TECH INC8 citations84
US10832710B1Nov 10, 2020
Magnetic recording devices using virtual side shields for improved areal density capability
WESTERN DIGITAL TECH INC7 citations84
US10789977B1Sep 29, 2020
Spin orbital torque via spin hall effect based energy assisted magnetic recording
WESTERN DIGITAL TECH INC10 citations84
US10734015B1Aug 4, 2020
Magnetic recording write head having YIG-heavy metal-YIG in write gap and side gap to maximize spin-orbit-coupling efficiency
WESTERN DIGITAL TECH INC8 citations84
US12314842B2May 27, 2025
Matrix-vector multiplication using SOT-based non-volatile memory cells
WESTERN DIGITAL TECH INC2 citations75
US11277566B2Mar 15, 2022
Optical devices for independent movement control of lenses and image sensors in camera systems
WESTERN DIGITAL TECH INC2 citations73
US11227627B1Jan 18, 2022
Energy assisted magnetic recording head having improved areal density capability
WESTERN DIGITAL TECH INC2 citations73
US11227628B1Jan 18, 2022
Recessed tape servo head to create an equipotential tape bearing surface
WESTERN DIGITAL TECH INC4 citations73
US11212447B1Dec 28, 2021
Optical devices for tilt in camera systems
WESTERN DIGITAL TECH INC5 citations73
US11205446B1Dec 21, 2021
Spin-orbit torque induced magnetization switching in a magnetic recording head
WESTERN DIGITAL TECH INC3 citations73
US11172131B1Nov 9, 2021
Optical devices for tilt in camera systems
WESTERN DIGITAL TECH INC5 citations73
US10885933B2Jan 5, 2021
Giant spin-seebeck effect induced magnon transfer torque-assisted MAMR
WESTERN DIGITAL TECH INC4 citations73
US10878841B1Dec 29, 2020
Dual writer for advanced magnetic recording
WESTERN DIGITAL TECH INC2 citations73
US10789975B1Sep 29, 2020
Perpendicular magnetic recording write head with heater and heat sink for providing temperature gradient across the main pole
WESTERN DIGITAL TECH INC3 citations73
US10762919B1Sep 1, 2020
Magnetic recording write head with write pole having a tapered trailing end section with negative magnetic anisotropy
WESTERN DIGITAL TECH INC5 citations73
SANDISK TECHNOLOGIES LLC
6 patentsUS10811596B2Oct 20, 2020
Spin transfer torque MRAM with a spin torque oscillator stack and methods of making the same
SANDISK TECHNOLOGIES LLC20 citations94
US10797227B2Oct 6, 2020
Spin-transfer torque MRAM with a negative magnetic anisotropy assist layer and methods of operating the same
SANDISK TECHNOLOGIES LLC22 citations94
US10726892B2Jul 28, 2020
Metallic magnetic memory devices for cryogenic operation and methods of operating the same
SANDISK TECHNOLOGIES LLC32 citations94
US10916284B2Feb 9, 2021
Metallic magnetic memory devices for cryogenic operation and methods of operating the same
SANDISK TECHNOLOGIES LLC9 citations85
US10862022B2Dec 8, 2020
Spin-transfer torque MRAM with magnetically coupled assist layers and methods of operating the same
SANDISK TECHNOLOGIES LLC18 citations85
US11476409B2Oct 18, 2022
Spin-transfer torque MRAM with a negative magnetic anisotropy assist layer and methods of operating the same
SANDISK TECHNOLOGIES LLC2 citations73
WESTERN DIGITAL FREMONT LLC
5 patentsUS9111550B1Aug 18, 2015
Write transducer having a magnetic buffer layer spaced between a side shield and a write pole by non-magnetic layers
WESTERN DIGITAL FREMONT LLC25 citations93
US9286919B1Mar 15, 2016
Magnetic writer having a dual side gap
WESTERN DIGITAL FREMONT LLC8 citations84
US9214165B1Dec 15, 2015
Magnetic writer having a gradient in saturation magnetization of the shields
WESTERN DIGITAL FREMONT LLC13 citations84
US8947985B1Feb 3, 2015
Heat assisted magnetic recording transducers having a recessed pole
WESTERN DIGITAL FREMONT LLC10 citations84
US8917480B2Dec 23, 2014
Magnetic recording transducers having slim shaped additional poles
WESTERN DIGITAL FREMONT LLC12 citations84
HARVARD COLLEGE
4 patentsUS10344038B2Jul 9, 2019
Chromium-mediated coupling and application to the synthesis of halichondrins
HARVARD COLLEGE14 citations93
US11220513B2Jan 11, 2022
Chromium-mediated coupling and application to the synthesis of halichondrins
HARVARD COLLEGE6 citations84
US10633392B2Apr 28, 2020
Chromium-mediated coupling and application to the synthesis of halichondrins
HARVARD COLLEGE13 citations84
US10844073B2Nov 24, 2020
Palladium-mediated ketolization
HARVARD COLLEGE7 citations82
GRANDIS INC
3 patentsUS7486552B2Feb 3, 2009
Method and system for providing a spin transfer device with improved switching characteristics
GRANDIS INC185 citations99
US7486551B1Feb 3, 2009
Method and system for providing domain wall assisted switching of magnetic elements and magnetic memories using such magnetic elements
GRANDIS INC150 citations98
US7957179B2Jun 7, 2011
Magnetic shielding in magnetic multilayer structures
GRANDIS INC12 citations84
BAI ZHIGANG
1 patentLIU FENG
1 patentLI ZHANJIE
1 patentWESTERN DIGITAL (FREMONT) LLC
1 patentWANG LISHA
1 patentShowing the top 50 of 94 patents by PatentIndex Score.