Inventor
BAI ZHIGANG
US168 patents
⚠️ This page may combine multiple inventors who share the name “BAI ZHIGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTERN DIGITAL TECH INC
10 patentsUS11222656B1Jan 11, 2022
Method to reduce baseline shift for a SOT differential reader
WESTERN DIGITAL TECH INC24 citations95
US11557314B1Jan 17, 2023
Write heads having conducting side gap for directing current
WESTERN DIGITAL TECH INC22 citations94
US11100946B1Aug 24, 2021
SOT differential reader and method of making same
WESTERN DIGITAL TECH INC23 citations94
US10839831B1Nov 17, 2020
Dual writer designs with SOT and STT assisted recording
WESTERN DIGITAL TECH INC32 citations94
US10777219B1Sep 15, 2020
Write heads configured to redirect current
WESTERN DIGITAL TECH INC16 citations94
US11900971B1Feb 13, 2024
Magnetic recording head with assisting electric current in trailing shield
WESTERN DIGITAL TECH INC10 citations86
US11881237B1Jan 23, 2024
Cross track current design for energy assisted magnetic recording
WESTERN DIGITAL TECH INC9 citations86
US11869548B1Jan 9, 2024
Magnetic recording devices having external alternating current sources
WESTERN DIGITAL TECH INC9 citations86
US11600293B1Mar 7, 2023
Three terminal magnetic recording head
WESTERN DIGITAL TECH INC10 citations86
US11508401B1Nov 22, 2022
Magnetic recording devices having cross-track current flow to facilitate downtrack magnetic field enhancements
WESTERN DIGITAL TECH INC13 citations86
BAI ZHIGANG
8 patentsUS8547659B1Oct 1, 2013
System for providing a transducer having a main coil and an additional coil separated from the main pole by a write shield
BAI ZHIGANG163 citations99
US8259410B1Sep 4, 2012
Method and system for providing a magnetic head using a composite magnetic material in the recording transducer
BAI ZHIGANG156 citations99
US8179636B1May 15, 2012
Method and system for providing a perpendicular magnetic recording writer
BAI ZHIGANG162 citations99
US8797686B1Aug 5, 2014
Magnetic recording transducer with short effective throat height and method of fabrication
BAI ZHIGANG148 citations98
US8264792B2Sep 11, 2012
PMR writer device with multi-level tapered write pole
BAI ZHIGANG80 citations98
US8547661B2Oct 1, 2013
MAMR head with self-aligned write element and microwave field generator
BAI ZHIGANG31 citations93
US8134802B2Mar 13, 2012
Writer and reader arrangements for shingled writing
BAI ZHIGANG27 citations93
US8125732B2Feb 28, 2012
Tapered PMR write pole with straight side wall portion
BAI ZHIGANG34 citations93
TRAN UT
7 patentsUS8576517B1Nov 5, 2013
Magnetic recording transducer having side shields between the coils and the air-bearing surface
TRAN UT152 citations99
US8488272B1Jul 16, 2013
Magnetic recording transducer having side shields
TRAN UT151 citations99
US8339738B1Dec 25, 2012
Method for providing a magnetic recording transducer having a hybrid moment pole
TRAN UT149 citations99
US8276258B1Oct 2, 2012
Method for fabricating a magnetic recording transducer
TRAN UT151 citations99
US8228633B1Jul 24, 2012
Method and system for providing a magnetic recording transducer having a hybrid moment pole
TRAN UT154 citations99
US8166631B1May 1, 2012
Method for fabricating a magnetic recording transducer having side shields
TRAN UT166 citations99
US8797684B1Aug 5, 2014
Magnetic writer configured for high data rate recording
TRAN UT142 citations98
WESTERN DIGITAL FREMONT LLC
7 patentsUS8537495B1Sep 17, 2013
Magnetic writer having a split yoke
WESTERN DIGITAL FREMONT LLC153 citations99
US8373945B1Feb 12, 2013
Magnetic writer having a split yoke
WESTERN DIGITAL FREMONT LLC150 citations99
US8760807B1Jun 24, 2014
Method for providing a wraparound shield for a magnetic recording transducer using a damascene process
WESTERN DIGITAL FREMONT LLC130 citations98
US8720044B1May 13, 2014
Method for manufacturing a magnetic recording transducer having side shields
WESTERN DIGITAL FREMONT LLC140 citations98
US7755861B1Jul 13, 2010
Method and system for providing a magnetic recording media
WESTERN DIGITAL FREMONT LLC71 citations98
US7688546B1Mar 30, 2010
Perpendicular magnetic recording head having nonmagnetic insertion layers
WESTERN DIGITAL FREMONT LLC150 citations98
US9042051B2May 26, 2015
Gradient write gap for perpendicular magnetic recording writer
WESTERN DIGITAL FREMONT LLC21 citations92
LIU FENG
6 patentsUS8724259B1May 13, 2014
Conformal high moment side shield seed layer for perpendicular magnetic recording writer
LIU FENG168 citations99
US8582238B1Nov 12, 2013
Systems and methods for providing perpendicular magnetic writers having gradient magnetic moment side shields
LIU FENG175 citations99
US8520337B1Aug 27, 2013
Perpendicular magnetic recording writer pole with leading and trailing bevel side wall angles at air bearing surface
LIU FENG153 citations99
US8520336B1Aug 27, 2013
Magnetic recording head with nano scale pole tip bulge
LIU FENG157 citations99
US8786983B1Jul 22, 2014
Magnetic writer having a low aspect ratio two layer coil
LIU FENG144 citations98
US8792208B1Jul 29, 2014
Method for providing side shields having non-conformal regions for a magnetic recording transducer
LIU FENG151 citations97
SANDISK TECHNOLOGIES LLC
3 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
SHEN YONG
1 patentLI YUNFEI
1 patentBATRA SHARAT
1 patentLI ZHANJIE
1 patentELLIOTT CARL F
1 patentZENG WANXUE
1 patentSI WEIMIN
1 patentZHOU YUCHEN
1 patentWU YAN
1 patentShowing the top 50 of 168 patents by PatentIndex Score.