Inventor · disambiguated record
David Hu
Also filed as: HU DAVID · HU DAVID GUOYU
13 granted patents·1 pending application·88 citations·filing 2003–2016
89Inventor score
Files withHEADWAY TECHNOLOGIES INC7DROUIN DAVID1HALLIBURTON ENERGY SERVICES INC1LEUNG ERIC CHEUK WING1SAE MAGNETICS HK LTD1
Top patents by PatentIndex Score
14 records- 0195US8824106B1Two sensor reader for hard disk drive (HDD)HEADWAY TECHNOLOGIES INC·Filed 2013·Granted Sep 2, 2014·39 cites·27 claims
- 0291US9329298B2Antenna coupling component measurement tool having a rotating antenna configurationHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted May 3, 2016·6 cites·16 claims
- 0390US7392579B2Method for protecting a slider mounted CPP GMR or TMR read head sensor from noise and ESD damageHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Jul 1, 2008·13 cites·11 claims
- 0481US7042670B2Method for adjusting flying height of magnetic heads using an electrical charge through an electrical pad on the sliderSAE MAGNETICS HK LTD·Filed 2003·Granted May 9, 2006·14 cites·26 claims
- 0571US8107200B2ESD, cross talk and noise minimizing resistive/capacitative shunt for CPP and TMR devicesLEUNG ERIC CHEUK WING·Filed 2008·Granted Jan 31, 2012·3 cites·4 claims
- 0671US7580218B2Magnetic head tester using magnetic disk with pre-written servoHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Aug 25, 2009·3 cites·3 claims
- 0767US7672073B2Iterative repeatable run-out nulling for magnetic head testerHEADWAY TECHNOLOGIES INC·Filed 2008·Granted Mar 2, 2010·2 cites·8 claims
- 0864US7385789B2Magnetostrictive actuator in a magnetic headHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Jun 10, 2008·5 cites·24 claims
- 0953US8606410B2Drive method for starting and operating a resonant scanning MEMS device at its resonant frequencyDROUIN DAVID·Filed 2010·Granted Dec 10, 2013·1 cites·23 claims
- 1052US8358481B2Nano-lithography with rotating target and servo-positioned tipHEADWAY TECHNOLOGIES INC·Filed 2008·Granted Jan 22, 2013·0 cites·45 claims
- 1151US9664812B2Method and apparatus for detection and quantification of borehole standoffWEATHERFORD LAMB INC·Filed 2013·Granted May 30, 2017·0 cites·26 claims
- 1244US10393702B2Defect penetration estimate using magnetic flux image enhancementWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Aug 27, 2019·0 cites·18 claims
- 1343US8525509B2Low cost simplified spectrum analyzer for magnetic head/media testerSHRINKLE LOU·Filed 2007·Granted Sep 3, 2013·2 cites·62 claims
- 1440US2005180053A1Cross talk and EME minimizing suspension designHEADWAY TECHNOLOGIES INC·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David Hu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →