Inventor

HE JIZHONG

US8 patents

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

HITACHI GLOBAL STORAGE TECH

3 patents

US7724462B2May 25, 2010

System, method and apparatus for direct head-disk clearance measurement by slider vibration and fly height calibration

HITACHI GLOBAL STORAGE TECH10 citations81

US7692888B2Apr 6, 2010

Apparatus, system, and method for detection of fly height margin using controlled excitation of air bearing mode

HITACHI GLOBAL STORAGE TECH15 citations80

US7173415B1Feb 6, 2007

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

HITACHI GLOBAL STORAGE TECH3 citations61

DUAN SHANLIN

2 patents

US8618793B2Dec 31, 2013

High sensitivity glide sensor using frictional heating

DUAN SHANLIN3 citations56

US8958178B2Feb 17, 2015

Reducing slider bounce in a hard disk drive

DUAN SHANLIN0 citations37

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

US7946156B2May 24, 2011

Glide test heads using heating elements to form a planar detection surface

HITACHI GLOBAL STORAGE TECH NL0 citations51

HE JIZHONG

1 patent

US9428384B2Aug 30, 2016

Inspection instrument

HE JIZHONG0 citations31