P

Inventor

HSIAO WEN-CHIEN DAVID

US62 patents
⚠️ This page may combine multiple inventors who share the name “HSIAO WEN-CHIEN DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI GLOBAL STORAGE TECH

21 patents
US7835111B2Nov 16, 2010

Magnetic write head with upper return pole optimization for reduced trailing shield protrusion

HITACHI GLOBAL STORAGE TECH49 citations92
US7576951B2Aug 18, 2009

Perpendicular magnetic write head having a magnetic write pole with a concave trailing edge

HITACHI GLOBAL STORAGE TECH35 citations92
US7133241B2Nov 7, 2006

Method and apparatus for optimizing record quality with varying track and linear density by allowing overlapping data tracks

HITACHI GLOBAL STORAGE TECH35 citations92
US7023660B2Apr 4, 2006

Localized pole tip heating device for magnetic head for hard disk drive

HITACHI GLOBAL STORAGE TECH19 citations92
US7788796B2Sep 7, 2010

Method FPR manufacturing a magnetic write head

HITACHI GLOBAL STORAGE TECH16 citations84
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
US7538977B2May 26, 2009

Method and apparatus for providing diamagnetic flux focusing in a storage device

HITACHI GLOBAL STORAGE TECH17 citations84
US7506431B2Mar 24, 2009

Method of manufacturing a perpendicular magnetic write head having a wrap-around trailing shield and a concave trailing edge main pole

HITACHI GLOBAL STORAGE TECH8 citations84
US7633711B2Dec 15, 2009

Magnetic write head with helical coil structure using multiple materials

HITACHI GLOBAL STORAGE TECH11 citations82
US7538976B2May 26, 2009

Trailing shield design for reducing wide area track erasure (water) in a perpendicular recording system

HITACHI GLOBAL STORAGE TECH7 citations74
US7212380B2May 1, 2007

Magnetic write head with recessed overcoat

HITACHI GLOBAL STORAGE TECH9 citations74
US7748103B2Jul 6, 2010

Method of manufacturing a perpendicular magnetic recording write head with notched trailing shield

HITACHI GLOBAL STORAGE TECH5 citations73
US7079353B2Jul 18, 2006

Magnetic head having a write coil structure with a reduced electrical resistance for reducing thermal protrusion

HITACHI GLOBAL STORAGE TECH6 citations71
US7639453B2Dec 29, 2009

Perpendicular magnetic write head with shunt structure to prevent read sensor interference

HITACHI GLOBAL STORAGE TECH2 citations63
US7505226B2Mar 17, 2009

Method and apparatus for providing a pole tip structure having a shape for preventing over saturation of the pole tip structure

HITACHI GLOBAL STORAGE TECH3 citations63
US7088550B2Aug 8, 2006

Magnetic hard disk recording head with self-compensating thermal expansion

HITACHI GLOBAL STORAGE TECH2 citations63
US7549215B2Jun 23, 2009

Method for manufacturing a magnetic head for perpendicular magnetic data recording

HITACHI GLOBAL STORAGE TECH5 citations61
US7339763B2Mar 4, 2008

Disk drive thin-film inductive write head with pole tip structure having reduced susceptibility to corrosion

HITACHI GLOBAL STORAGE TECH2 citations60
US6842306B2Jan 11, 2005

Magnetic head having highly thermally conductive insulator materials containing cobalt-oxide

HITACHI GLOBAL STORAGE TECH2 citations60
US7085100B2Aug 1, 2006

Magnetic head having a bilayer pole tip

HITACHI GLOBAL STORAGE TECH3 citations58

HSIAO WEN-CHIEN DAVID

7 patents

HITACHI GLOBAL STORAGE TECH NL

6 patents

IBM

5 patents

HGST Netherlands BV

3 patents

BAER AMANDA

2 patents

CHEN TSUNG YUAN

1 patent

ZELTSER ALEXANDER M

1 patent

ALLEN DONALD G

1 patent

GILL HARDAYAL SINGH

1 patent

ZHENG YI

1 patent

GIDER SAVAS

1 patent

Showing the top 50 of 62 patents by PatentIndex Score.