Chen; Qixu (David)

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chen; Qixu (David).The latest application filed is for "perpendicular magnetic recording media with improved scratch damage performance".

Company Profile

0.8.5

Chen; Qixu (David) - David
Chen; Qixu David - Milpitas CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Perpendicular magnetic recording media with improved scratch damage performance App 20080055777 - Rou; Shanghsien (Alex) ; et al.	2008-03-06
Perpendicular magnetic recording media with improved crystallographic orientations and method of manufacturing same Grant 7,175,925 - Chen , et al. February 13, 2	2007-02-13
Tilted recording medium design with (101-2) orientation Grant 6,936,353 - Wu , et al. August 30, 2	2005-08-30
Perpendicular magnetic recording media with improved crystallographic orientations and method of manufacturing same App 20040247945 - Chen, Qixu David ; et al.	2004-12-09
Recording medium with a varying composition underlayer Grant 6,787,251 - Wu , et al. September 7, 2	2004-09-07
Magnetic recording medium with dual magnetic layers and high in-plane coercivity Grant 6,723,374 - Chen , et al. April 20, 2	2004-04-20
Medium with a NiNb sealing layer Grant 6,699,588 - Chen , et al. March 2, 2	2004-03-02
Magnetic recording medium with dual magnetic layers and high in-plane coercivity App 20030039863 - Chen, Qixu (David) ; et al.	2003-02-27
Magnetic recording medium with dual magnetic layers and high in-plane coercivity Grant 6,461,750 - Chen , et al. October 8, 2	2002-10-08
CoCrPtB medium with a 1010 crystallographic orientation Grant 6,403,241 - Chen , et al. June 11, 2	2002-06-11
Medium with a NiNb sealing layer App 20020064690 - Chen, Qixu David ; et al.	2002-05-30
Hardened and lubricated load/unload ramp and method for preparing the same App 20010033460 - Fayeulle, Serge Jacques ; et al.	2001-10-25
Thin film medium with surface-oxidized NiAl seed layer Grant 6,117,570 - Chen , et al. September 12, 2	2000-09-12

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