Inventor
HE SHIHAI
US16 patents
⚠️ This page may combine multiple inventors who share the name “HE SHIHAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTERN DIGITAL (FREMONT) LLC
7 patentsUS9431031B1Aug 30, 2016
System and method for magnetic transducers having multiple sensors and AFC shields
WESTERN DIGITAL (FREMONT) LLC31 citations94
US9786305B1Oct 10, 2017
Magnetic read apparatus having multiple read sensors with reduced sensor spacing usable in two-dimensional magnetic recording applications
WESTERN DIGITAL (FREMONT) LLC14 citations84
US9666214B1May 30, 2017
Free layer magnetic reader that may have a reduced shield-to-shield spacing
WESTERN DIGITAL (FREMONT) LLC9 citations83
US9786301B1Oct 10, 2017
Apparatuses and methods for providing thin shields in a multiple sensor array
WESTERN DIGITAL (FREMONT) LLC6 citations72
US9705072B2Jul 11, 2017
Spin transfer torque tunneling magnetoresistive device having a laminated free layer with perpendicular magnetic anisotropy
WESTERN DIGITAL (FREMONT) LLC2 citations71
US9754613B2Sep 5, 2017
Method for AFC shields for multiple sensor magnetic transducers and magnetic transducers having multiple sensors and AFC shields
WESTERN DIGITAL (FREMONT) LLC1 citations52
US9715889B1Jul 25, 2017
Read sensor having an insulating layer capable of use in two-dimensional magnetic recording
WESTERN DIGITAL (FREMONT) LLC0 citations40
WESTERN DIGITAL FREMONT LLC
5 patentsUS8970988B1Mar 3, 2015
Electric gaps and method for making electric gaps for multiple sensor arrays
WESTERN DIGITAL FREMONT LLC16 citations83
US9236560B1Jan 12, 2016
Spin transfer torque tunneling magnetoresistive device having a laminated free layer with perpendicular magnetic anisotropy
WESTERN DIGITAL FREMONT LLC14 citations82
US10068601B1Sep 4, 2018
Free layer only magnetic reader that may have a reduced shield-to-shield spacing and a multilayer side bias
WESTERN DIGITAL FREMONT LLC6 citations73
US10115419B2Oct 30, 2018
Method for AFC shields for multiple sensor magnetic transducers and magnetic transducers having multiple sensors and AFC shields
WESTERN DIGITAL FREMONT LLC1 citations52
US10121501B2Nov 6, 2018
Free layer magnetic reader that may have a reduced shield-to-shield spacing
WESTERN DIGITAL FREMONT LLC0 citations51
UNIV MINNESOTA
3 patentsUS12412686B2Sep 9, 2025
Iron nitride permanent magnet and technique for forming iron nitride permanent magnet
UNIV MINNESOTA0 citations62
US11742117B2Aug 29, 2023
Iron nitride permanent magnet and technique for forming iron nitride permanent magnet
UNIV MINNESOTA0 citations62
US11195644B2Dec 7, 2021
Iron nitride magnetic material including coated nanoparticles
UNIV MINNESOTA1 citations60