Inventor

ZHANG JANE JIE

US7 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG JANE JIE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI GLOBAL STORAGE TECH

3 patents

US7271967B2Sep 18, 2007

System and method for determining whether defect in perpendicular recording disk drive is from thermal asperity or defect in magnetically soft underlayer

HITACHI GLOBAL STORAGE TECH8 citations73

US7173415B1Feb 6, 2007

System, method, and apparatus for detecting signal-to-noise ratio decay in perpendicular magnetic recording

HITACHI GLOBAL STORAGE TECH3 citations61

US7529049B2May 5, 2009

Method and system for testing of magnetic disks using F-BER

HITACHI GLOBAL STORAGE TECH1 citations51

DUAN SHANLIN

2 patents

US8102613B2Jan 24, 2012

System, method and apparatus for determining track pitch in a hard disk drive to satisfy the requirements of both off-track capacity and adjacent track erasure

DUAN SHANLIN17 citations80

US8174783B2May 8, 2012

Testing magnetic disk performance with a single slider simulating sliders of various disk drive systems

DUAN SHANLIN0 citations38

ZHANG KEZHAO

1 patent

US8395857B2Mar 12, 2013

Simulating discrete track media with continuous media for head evaluation

ZHANG KEZHAO2 citations54

HITACHI GLOBAL STORAGE TECH NL

1 patent

US7969675B2Jun 28, 2011

Determination of the quality of an erase process for perpendicular magnetic recording disks

HITACHI GLOBAL STORAGE TECH NL1 citations50