Inventor
LEE EDWARD HINPONG
US22 patents
⚠️ This page may combine multiple inventors who share the name “LEE EDWARD HINPONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
20 patentsUS5805391ASep 8, 1998
Write head with recessed stitched yoke on a planar portion of an insulation layer defining zero throat height
IBM124 citations98
US6122144ASep 19, 2000
Contoured pole tip structures for minimizing side track erasure
IBM58 citations96
US6339872B1Jan 22, 2002
Method of making a merged magnetic head that includes a write head with single-sided notched first pole piece
IBM21 citations92
US6201670B1Mar 13, 2001
Merged magnetic head that includes a write head with single-sided notched first pole piece
IBM21 citations92
US6029339AFeb 29, 2000
Method of making write head with recessed stitched yoke on a planar portion of an insulation layer defining zero throat height
IBM34 citations92
US5798897AAug 25, 1998
Inductive write head with insulation stack configured for eliminating reflective notching
IBM23 citations92
US6163442ADec 19, 2000
High moment bilayer first pole piece layer of a write head with high magnetic stability for promoting read signal symmetry of a read head
IBM34 citations91
US6034848AMar 7, 2000
Low profile multi-layer coil merged thin film magnetic head
IBM26 citations91
US6119331ASep 19, 2000
Notching the first pole piece of a write head with a notching layer in a combined magnetic head
IBM23 citations90
US6473276B1Oct 29, 2002
Merged magnetic head which includes a write head with single-sided notched first pole piece
IBM11 citations74
US6286200B1Sep 11, 2001
Dual mask process for making second pole piece layer of write head with high resolution narrow track width second pole tip
IBM11 citations74
US6570743B1May 27, 2003
Read head with high and low resistance lead layers wherein the high resistance lead layers are connected to a read sensor and extend perpendicular from an air bearing surface (abs) of the read head beyond a back recessed edge of the sensor where the high resistance lead layers are connected to the low resistance layers
IBM10 citations73
US6542331B1Apr 1, 2003
Magnetic head having write head with double split yoke
IBM10 citations73
US6176005B1Jan 23, 2001
Method of making read head with improved lead layers
IBM11 citations73
US6085406AJul 11, 2000
Method of making a read head with improved lead layers at an air bearing surface
IBM14 citations73
US6325947B1Dec 4, 2001
Method for forming low profile multi-layer coil merged thin film magnetic head
IBM14 citations72
US6221559B1Apr 24, 2001
Method of making crack resistant magnetic write head
IBM7 citations72
US5880915AMar 9, 1999
Crack resistant magnetic write head
IBM10 citations72
US6655009B2Dec 2, 2003
Dual mask process for making second pole piece layer of multiple write heads with high resolution narrow track width second pole tip
IBM4 citations63
US6430011B1Aug 6, 2002
Read head with improved lead layers at an air bearing surface
IBM1 citations52