Inventor
LEE EDWARD HIN PONG
US90 patents
⚠️ This page may combine multiple inventors who share the name “LEE EDWARD HIN PONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI GLOBAL STORAGE TECH
29 patentsUS7120988B2Oct 17, 2006
Method for forming a write head having air bearing surface (ABS)
HITACHI GLOBAL STORAGE TECH81 citations98
US7713762B2May 11, 2010
Testing the quality of lift-off processes in wafer fabrication
HITACHI GLOBAL STORAGE TECH107 citations96
US7835111B2Nov 16, 2010
Magnetic write head with upper return pole optimization for reduced trailing shield protrusion
HITACHI GLOBAL STORAGE TECH49 citations92
US6687083B2Feb 3, 2004
Enhanced low profile magnet write head
HITACHI GLOBAL STORAGE TECH26 citations92
US7079355B2Jul 18, 2006
Magnetic transducer with a write head having a multi-layer coil
HITACHI GLOBAL STORAGE TECH24 citations91
US6804879B2Oct 19, 2004
Method of fabricating a magnetic transducer with a write head having a multi-layer coil
HITACHI GLOBAL STORAGE TECH32 citations91
US7464457B2Dec 16, 2008
Method for forming a write head having an air bearing surface (ABS)
HITACHI GLOBAL STORAGE TECH39 citations90
US7768744B2Aug 3, 2010
Perpendicular magnetic recording write head with coplanar main pole and return poles and magnetic recording system
HITACHI GLOBAL STORAGE TECH12 citations84
US7593183B2Sep 22, 2009
Magnetic write head design for reducing temperature induced protrusion
HITACHI GLOBAL STORAGE TECH10 citations84
US7567409B2Jul 28, 2009
Multilayer narrow pitch tape head array
HITACHI GLOBAL STORAGE TECH9 citations84
US7450340B2Nov 11, 2008
Head design with overlapping coil for narrow pitch tape head
HITACHI GLOBAL STORAGE TECH10 citations84
US7110217B2Sep 19, 2006
Write head design with improved bump to control write saturation
HITACHI GLOBAL STORAGE TECH12 citations84
US7612963B2Nov 3, 2009
Perpendicular magnetic recording head with photoresist dam between write coil and air bearing surface
HITACHI GLOBAL STORAGE TECH16 citations83
US7633711B2Dec 15, 2009
Magnetic write head with helical coil structure using multiple materials
HITACHI GLOBAL STORAGE TECH11 citations82
US7212380B2May 1, 2007
Magnetic write head with recessed overcoat
HITACHI GLOBAL STORAGE TECH9 citations74
US7187520B2Mar 6, 2007
Magnetic head having thermally assisted recording device, and method of fabrication thereof
HITACHI GLOBAL STORAGE TECH8 citations74
US6870705B2Mar 22, 2005
Magnetic head having short pole yoke length and method for fabrication thereof
HITACHI GLOBAL STORAGE TECH7 citations74
US7362542B2Apr 22, 2008
Slider with underpass lead configured as a cooling plate
HITACHI GLOBAL STORAGE TECH5 citations73
US7206154B2Apr 17, 2007
Method and apparatus for balanced shield shunts, leads and pads for electrical noise reduction in read heads
HITACHI GLOBAL STORAGE TECH8 citations72
US6909579B2Jun 21, 2005
Magnetic head with a vertically laminated back gap structure having magnetic layer thicknesses less than the skin depth
HITACHI GLOBAL STORAGE TECH8 citations72
US7079353B2Jul 18, 2006
Magnetic head having a write coil structure with a reduced electrical resistance for reducing thermal protrusion
HITACHI GLOBAL STORAGE TECH6 citations71
US6667457B1Dec 23, 2003
System and method for a sacrificial anode in a kerf for corrosion protection during slider fabrication
HITACHI GLOBAL STORAGE TECH6 citations71
US6906893B2Jun 14, 2005
Magnetic head coil and structure for protecting same during pole notch processing
HITACHI GLOBAL STORAGE TECH6 citations70
US7639453B2Dec 29, 2009
Perpendicular magnetic write head with shunt structure to prevent read sensor interference
HITACHI GLOBAL STORAGE TECH2 citations63
US7633710B2Dec 15, 2009
Magnetic head having reduced induction coil electrical resistance and method for the fabrication thereof
HITACHI GLOBAL STORAGE TECH4 citations63
US7535674B2May 19, 2009
Narrow pitch tape head array using an orthogonal backgap
HITACHI GLOBAL STORAGE TECH4 citations63
US7506429B2Mar 24, 2009
Method of constructing a magnetic sensor
HITACHI GLOBAL STORAGE TECH5 citations63
US7322097B2Jan 29, 2008
Method of manufacturing a magnetic head having short pole yoke length
HITACHI GLOBAL STORAGE TECH2 citations63
US7133263B2Nov 7, 2006
Magnetoresistive sensor having a self aligned lead overlay structure and method of fabrication thereof
HITACHI GLOBAL STORAGE TECH2 citations63
IBM
9 patentsUS5805382ASep 8, 1998
Integrated conductor magnetic recording head and suspension having cross-over integrated circuits for noise reduction
IBM122 citations98
US6510022B1Jan 21, 2003
Method for shaping pole pieces of magnetic heads by chemical mechanical polishing
IBM17 citations92
US6470566B2Oct 29, 2002
ESD protection during GMR head fabrication
IBM27 citations92
US6330128B1Dec 11, 2001
Magnetic head assembly having open yoke write head with highly defined narrow track width
IBM21 citations92
US5871655AFeb 16, 1999
Integrated conductor magnetic recording head and suspension having cross-over integrated circuits for noise reduction
IBM30 citations92
US5867889AFeb 9, 1999
Double self-aligned insulated contiguous junction for flux-guided-MR or yoke-MR head applications
IBM26 citations91
US6538857B1Mar 25, 2003
Read head with N-cycle switch for electrostatic discharge (ESD) protection
IBM24 citations90
US6795278B2Sep 21, 2004
Method of protecting read sensors from electrostatic discharge damage during the manufacture of magnetic heads
IBM9 citations70
US5655475AAug 12, 1997
Method of grinding thin-film magnetic heads using optical grinding markers
IBM12 citations69
HITACHI GLOBAL STORAGE TECH NL
4 patentsUS7969687B2Jun 28, 2011
Magnetic head with delayed connection heater shunting
HITACHI GLOBAL STORAGE TECH NL11 citations84
US8031432B2Oct 4, 2011
Magnetic write head having helical coil with a fin structure for reduced heat induced protrusion
HITACHI GLOBAL STORAGE TECH NL7 citations83
US6848166B2Feb 1, 2005
Method of protecting the pole piece of a magnetic head during the ion mill patterning of the yoke
HITACHI GLOBAL STORAGE TECH NL7 citations74
US7881010B2Feb 1, 2011
Process for self-aligned flare point and shield throat definition prior to main pole patterning
HITACHI GLOBAL STORAGE TECH NL4 citations63
WESTERN DIGITAL TECH INC
2 patentsCHEN YINGJIAN
2 patentsUS8441757B2May 14, 2013
Perpendicular magnetic write head with wrap-around shield, slanted pole and slanted pole bump fabricated by damascene process
CHEN YINGJIAN9 citations84
US8508886B2Aug 13, 2013
Use of magnetic material for RIE stop layer during damascene main pole formation
CHEN YINGJIAN6 citations83
HGST Netherlands BV
2 patentsALLEN DONALD G
1 patentGURUZ UNAL MURAT
1 patentShowing the top 50 of 90 patents by PatentIndex Score.