Inventor · disambiguated record

Yaguang Wei

Also filed as: WEI YAGUANG

45 granted patents·1 pending application·661 citations·filing 2010–2023

98Inventor score

Technology areasG11B F24F G06F H10F H10P

Files withWESTERN DIGITAL TECH INC20 HEADWAY TECH INC11 HEADWAY TECHNOLOGIES INC6 SANDISK TECHNOLOGIES LLC4 DAIKIN IND LTD2

Top patents by PatentIndex Score

46 records

0198US10957348B2Magnetic recording write head with selected write gap current direction for minimization of cross-track interferenceWESTERN DIGITAL TECH INC·Filed 2020·Granted Mar 23, 2021·13 cites·20 claims
0298US9508364B1Perpendicular magnetic recording (PMR) writer with hybrid shield layersHEADWAY TECH INC·Filed 2015·Granted Nov 29, 2016·58 cites·12 claims
0398US9466319B1Perpendicular magnetic recording (PMR) write shield design with minimized wide adjacent track erasure (WATE)HEADWAY TECH INC·Filed 2015·Granted Oct 11, 2016·87 cites·24 claims
0498US9361912B1High moment side shield design for area density improvement of perpendicular magnetic recording (PMR) writerHEADWAY TECHNOLOGIES INC·Filed 2015·Granted Jun 7, 2016·89 cites·10 claims
0598US9299367B1Perpendicular magnetic recording (PMR) writer with minimized internal flux shuntingHEADWAY TECHNOLOGIES INC·Filed 2015·Granted Mar 29, 2016·66 cites·31 claims
0697US10861485B1Write heads configured to redirect currentWESTERN DIGITAL TECH INC·Filed 2020·Granted Dec 8, 2020·8 cites·16 claims
0797US10032469B2Perpendicular magnetic recording (PMR) writer with improved trailing shield designHEADWAY TECH INC·Filed 2015·Granted Jul 24, 2018·37 cites·7 claims
0897US9626990B2Perpendicular magnetic recording (PMR) writer with hybrid shield layersHEADWAY TECH INC·Filed 2016·Granted Apr 18, 2017·27 cites·18 claims
0997US9406317B1Perpendicular magnetic recording (PMR) write head with improved shapes of side shield and main poleHEADWAY TECH INC·Filed 2015·Granted Aug 2, 2016·53 cites·8 claims
1096US11557314B1Write heads having conducting side gap for directing currentWESTERN DIGITAL TECH INC·Filed 2019·Granted Jan 17, 2023·22 cites·22 claims
1195US10777219B1Write heads configured to redirect currentWESTERN DIGITAL TECH INC·Filed 2019·Granted Sep 15, 2020·16 cites·20 claims
1295US9754612B2Areal density improvement of perpendicular magnetic recording (PMR) write head by tuning magnetic flux loopsHEADWAY TECH INC·Filed 2015·Granted Sep 5, 2017·18 cites·6 claims
1394US10891975B1Magnetic head with assisted magnetic recording and method of making thereofSANDISK TECHNOLOGIES LLC·Filed 2019·Granted Jan 12, 2021·11 cites·16 claims
1494US10891974B1Magnetic head with current assisted magnetic recording and method of making thereofSANDISK TECHNOLOGIES LLC·Filed 2018·Granted Jan 12, 2021·16 cites·22 claims
1594US10679650B2Current-assisted magnetic recording write head with improved write gap structureWESTERN DIGITAL TECH INC·Filed 2019·Granted Jun 9, 2020·17 cites·20 claims
1693US11373675B2Magnetic head with assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2021·Granted Jun 28, 2022·3 cites·19 claims
1793US8879208B1Umbrella shield writer (UmSW) design for perpendicular magnetic recording (PMR)HEADWAY TECHNOLOGIES INC·Filed 2013·Granted Nov 4, 2014·21 cites·29 claims
1893US8367462B2Large-scale fabrication of vertically aligned ZnO nanowire arraysGEORGIA TECH RES INST·Filed 2011·Granted Feb 5, 2013·17 cites·18 claims
1992US11600293B1Three terminal magnetic recording headWESTERN DIGITAL TECH INC·Filed 2019·Granted Mar 7, 2023·10 cites·32 claims
2092US11017802B2Magnetic head with assisted magnetic recording and method of making thereofWESTERN DIGITAL TECH INC·Filed 2020·Granted May 25, 2021·4 cites·20 claims
2190US10896690B1Magnetic head with current assisted magnetic recording and method of making thereofSANDISK TECHNOLOGIES LLC·Filed 2018·Granted Jan 19, 2021·10 cites·10 claims
2289US9082433B1PMR writer with patterned shields for adjacent track erasure improvementHEADWAY TECHNOLOGIES INC·Filed 2014·Granted Jul 14, 2015·11 cites·22 claims
2388US11437060B2MAMR stack shape optimization for magnetic recordingWESTERN DIGITAL TECH INC·Filed 2020·Granted Sep 6, 2022·2 cites·21 claims
2486US9361923B1PP3 shape designs for shield domain control to improve either skip track erasure (STE) or write performance for perpendicular magnetic recording (PMR)HEADWAY TECHNOLOGIES INC·Filed 2015·Granted Jun 7, 2016·8 cites·8 claims
2585US11017801B1Magnetic head with assisted magnetic recording and method of making thereofSANDISK TECHNOLOGIES LLC·Filed 2019·Granted May 25, 2021·5 cites·20 claims
2684US10872626B2MAMR stack shape optimization for magnetic recordingWESTERN DIGITAL TECH INC·Filed 2019·Granted Dec 22, 2020·4 cites·30 claims
2784US8664523B2Fiber optic solar nanogenerator cellsWANG ZHONG L·Filed 2010·Granted Mar 4, 2014·4 cites·4 claims
2883US10762919B1Magnetic recording write head with write pole having a tapered trailing end section with negative magnetic anisotropyWESTERN DIGITAL TECH INC·Filed 2018·Granted Sep 1, 2020·5 cites·19 claims
2979US8804281B1PMR write head with modified main pole shape to minimize adjacent track interferenceHEADWAY TECHNOLOGIES INC·Filed 2013·Granted Aug 12, 2014·4 cites·34 claims
3074US10741202B2MAMR writer with low resistance MAMR stackWESTERN DIGITAL TECHNOLOGIES INC·Filed 2019·Granted Aug 11, 2020·2 cites·16 claims
3174US9721604B2Perpendicular magnetic recording (PMR) write head with improved shapes of side shield and main poleHEADWAY TECH INC·Filed 2016·Granted Aug 1, 2017·3 cites·10 claims
3274US9589582B2High moment side shield design for area density improvement of perpendicular magnetic recording (PMR) writerHEADWAY TECH INC·Filed 2016·Granted Mar 7, 2017·3 cites·13 claims
3372US10699734B2Magnetic recording write head with selected write gap current direction for minimization of cross-track interferenceWESTERN DIGITAL TECH INC·Filed 2019·Granted Jun 30, 2020·2 cites·20 claims
3471US11657835B2Magnetic head with assisted magnetic recording comprising an electrically conductive, non-magnetic materialWESTERN DIGITAL TECH INC·Filed 2022·Granted May 23, 2023·0 cites·20 claims
3571US9934796B2Areal density improvement of perpendicular magnetic recording (PMR) write head by tuning magnetic flux loopsHEADWAY TECH INC·Filed 2017·Granted Apr 3, 2018·2 cites·8 claims
3670US11862207B2MAMR stack shape optimization for magnetic recordingWESTERN DIGITAL TECH INC·Filed 2022·Granted Jan 2, 2024·0 cites·15 claims
3770US11615806B2Magnetic head with assisted magnetic recordingWESTERN DIGITAL TECH INC·Filed 2022·Granted Mar 28, 2023·0 cites·19 claims
3866US10276208B1Data storage device coding out ambiguity in three-dimensional magnetic recordingWESTERN DIGITAL TECH INC·Filed 2018·Granted Apr 30, 2019·2 cites·20 claims
3964US10347276B2Perpendicular magnetic recording (PMR) writer with hybrid shield layersHEADWAY TECH INC·Filed 2016·Granted Jul 9, 2019·1 cites·14 claims
4063US12230298B2Method to enhance spin torque layer performance in a spintronic deviceWESTERN DIGITAL TECH INC·Filed 2023·Granted Feb 18, 2025·0 cites·22 claims
4162US12148452B1Current distal to media facing surfaceWESTERN DIGITAL TECH INC·Filed 2023·Granted Nov 19, 2024·0 cites·20 claims
4260US12437780B2DFL TDMR middle shield throat height control for improved stabilityWESTERN DIGITAL TECH INC·Filed 2023·Granted Oct 7, 2025·0 cites·19 claims
4360US11049514B2MAMR writer with low resistance MAMR stackWESTERN DIGITAL TECH INC·Filed 2020·Granted Jun 29, 2021·0 cites·19 claims
4450US11790940B2Perpendicular magnetic recording (PMR) writer with improved trailing shield designHEADWAY TECH INC·Filed 2018·Granted Oct 17, 2023·0 cites·7 claims
4549US12398906B2Air conditioning control systemDAIKIN IND LTD·Filed 2021·Granted Aug 26, 2025·0 cites·19 claims
4649US2024175597A1Registration system, air conditioning system and registration programDAIKIN IND LTD·Filed 2022·Application pending·0 cites

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →