Inventor
Shanlin Duan
Inventor
Fremont, CA, US
Overview
Patents· 28 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 transducer61%
Y10TTechnical subjects covered by former us classification14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
G01RMeasuring electric variables7%
B82YSpecific uses or applications of nanostructures2%
C23CCoating metallic material2%
G01BMeasuring length, thickness or similar linear dimensions2%
G01NInvestigating or analysing materials by determining their chemical or physical properties2%
PatentTitleYear
8,958,178'Reducing slider bounce in a hard disk drive'20158,618,793'High sensitivity glide sensor using frictional heating'20138,395,857'Simulating discrete track media with continuous media for head evaluation'20138,174,783'Testing magnetic disk performance with a single slider simulating sliders of various disk drive systems'20128,133,530'One magnetic sided media for low cost and low capacity applications'20128,102,613'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'20127,969,675'Determination of the quality of an erase process for perpendicular magnetic recording disks'20117,946,156'Glide test heads using heating elements to form a planar detection surface'20117,724,462'System, method and apparatus for direct head-disk clearance measurement by slider vibration and fly height calibration'20107,692,888'Apparatus, system, and method for detection of fly height margin using controlled excitation of air bearing mode'20107,529,049'Method and system for testing of magnetic disks using F-BER'20097,271,967'System and method for determining whether defect in perpendicular recording disk drive is from thermal asperity or defect in magnetically soft underlayer'20077,173,415'System, method, and apparatus for detecting signal-to-noise ratio decay in perpendicular magnetic recording'20077,121,133'System, method, and apparatus for glide head calibration with enhanced PZT channel for very low qualification glide heights'20066,965,229'Method of detecting polarity reversal in a magnetoresistive sensor'20056,771,453'Glide slider fly height calibration method using disk spin down and slider dynamic scan'20046,662,623'Apparatus and method for glide height calibration of disk surfaces by use of dual-zone laser texture'20036,580,266'Thin film delamination detection for magnetic disks'20036,530,258'Disk drive laser melt bump disk for accurate glide calibration and certification processing'20036,526,639'Method for burnishing hard disks'20036,477,008'Magnetic recording transducer with electronic shield'20026,413,608'Seed layer and underlayer with high and low oxygen concentration portions for hand disk magnetic recording medium on a glass substrate'20026,407,891'Magnetic read/write head having electromagnetic field cancellation element'20026,357,095'Hard disk burnishing head'20026,330,122'Magnetic tester for disk surface scan'20016,314,814'Method and apparatus for precise measurement of pressure dependence of head fly height using transitional thermal signals'20016,174,582'Thin film magnetic disk having reactive element doped refractory metal seed layer'20016,143,388'Thin film disk with onset layer'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2003Patents assigned to IBM (11)· patent assignee history
2000–2015Based in Fremont, CA, US· patent location history
2003–2010Patents assigned to HITACHI GLOBAL STORAGE TECH (9)· patent assignee history
2011–2012Patents assigned to HITACHI GLOBAL STORAGE TECH NL (5)· patent assignee history
2012–2015Patents assigned to DUAN SHANLIN (6)· patent assignee history
2013–2015Patents assigned to HE JIZHONG (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 11 | 2000–2003 |
| HITACHI GLOBAL STORAGE TECH | 9 | 2003–2010 |
| DUAN SHANLINself | 6 | 2012–2015 |
| HITACHI GLOBAL STORAGE TECH NL | 5 | 2011–2012 |
| HE JIZHONG | 3 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fremont, California, US | 28 | 2000–2015 |