Inventor
Xiaodong Che
Inventor
Saratoga, CA, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer92%
B82YSpecific uses or applications of nanostructures8%
PatentTitleYear
8,736,996'Implementing channel signal processing assist with ECS contact detection'20148,537,496'Perpendicular magnetic write head having a trailing wrap-around magnetic shield magnetically biased in a cross track direction'20138,405,927'Apparatus and method for detecting low flying sliders'20138,120,866'Method for characterizing a magnetic-recording system for the presence of adjacent-track interference and far-track interference'20128,116,021'Synchronized rewriting of data'20127,821,736'Shaped trailing shield of a perpendicular recording write element'20107,542,227'Flying height measurement and control with user data signal'20097,538,963'System, method, and apparatus for monitoring stray magnetic fields and protecting disk drives therefrom'20097,508,628'Winged pole and shield structure for reducing stray field in a perpendicular write head'20097,420,759'Apparatus and method for internal calibration of normalized playback transfer curve in a hard disk drive'20087,365,531'Magnetic reader recording characterization at slider or bar level'20087,227,711'System, method, and apparatus for in-situ stray magnetic field measurement'20077,215,495'System and method for determining head-disk contact in a magnetic recording disk drive'20077,180,692'System and method for calibrating and controlling a fly-height actuator in a magnetic recording disk drive'20077,133,241'Method and apparatus for optimizing record quality with varying track and linear density by allowing overlapping data tracks'20067,131,346'Spin stand testing system with fine positioner for head stack assembly'20067,119,537'Full track profile derivative method for read and write width measurements of magnetic recording head'20065,691,857'Method using matched filters for determining head positioner micro-jog in hard disk drive employing magneto-resistive heads'19975,633,770'Digital output magnetoresistive (DOMR) head and methods associated therewith'19975,583,705'Write precompensation optimization in a PRML channel using a selected PRML signal level'19965,576,906'Synchronous detection of concurrent servo bursts for fine head position in disk drive'19965,546,253'Digitial output magnetoresistive (DOMR) head and methods associated therewith'19965,493,454'Write precompensation optimization in a PRML channel using a selected PRML signal level'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–1997Patents assigned to QUANTUM CORP (6)· patent assignee history
1996–1997Based in Sunnyvale, CA, US· patent location history
2006–2010Patents assigned to HITACHI GLOBAL STORAGE TECH (9)· patent assignee history
2006–2014Based in Saratoga, CA, US· patent location history
2012–2014Patents assigned to CHE XIAODONG (5)· patent assignee history
2012–2013Patents assigned to JIN ZHEN (3)· patent assignee history
2013–2014Patents assigned to HGST Netherlands BV (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI GLOBAL STORAGE TECH | 9 | 2006–2010 |
| QUANTUM CORP | 6 | 1996–1997 |
| CHE XIAODONGself | 5 | 2012–2014 |
| HGST Netherlands BV | 3 | 2013–2014 |
| JIN ZHEN | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saratoga, California, US | 17 | 2006–2014 |
| Sunnyvale, California, US | 6 | 1996–1997 |