Inventor

Zhupei Shi

Inventor

San Jose, CA, US

Overview

2000–2016

Patent span

Physics

Primary field (CPC G)

Patents· 46 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 transducer51%

B82YSpecific uses or applications of nanostructures15%

Y10TTechnical subjects covered by former us classification12%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

G01RMeasuring electric variables5%

G02BOptical elements, systems or apparatus4%

H01FMagnets4%

H10NElectric solid-state devices not otherwise provided for2%

H04JMultiplex communication1%

PatentTitleYear

9,245,564'Soft underlayer having a multilayer structure for high areal density perpendicular recording media'2016 9,082,442'System, method and apparatus for onset magnetic oxide layer for high performance perpendicular magnetic recording media'2015 8,580,409'Perpendicular magnetic recording media having a dual onset layer'2013 8,395,857'Simulating discrete track media with continuous media for head evaluation'2013 7,969,675'Determination of the quality of an erase process for perpendicular magnetic recording disks'2011 7,529,049'Method and system for testing of magnetic disks using F-BER'2009 7,271,967'System and method for determining whether defect in perpendicular recording disk drive is from thermal asperity or defect in magnetically soft underlayer'2007 7,173,415'System, method, and apparatus for detecting signal-to-noise ratio decay in perpendicular magnetic recording'2007 7,027,734'Dynamic multi-channel power equalizer and regulator'2006 7,023,658'Submicron track-width pole-tips for electromagnetic transducers'2006 6,944,938'Method of forming a magnetoresistive device'2005 6,894,877'Compact MR write structure'2005 6,829,819'Method of forming a magnetoresistive device'2004 6,792,183'Method for bonding aligned optical parts and apparatus thereof'2004 6,756,071'Method for manufacturing a GMR spin valve having a smooth interface between magnetic and non-magnetic layers'2004 6,721,149'Tunneling magnetoresistance spin-valve read sensor with LaNiO3 spacer'2004 6,674,953'Controllably variable optical attenuator'2004 6,633,464'Synthetic antiferromagnetic pinned layer with Fe/FeSi/Fe system'2003 6,584,271'Dual fiber variable optical attenuator'2003 6,515,573'Method and system for providing edge-junction TMR utilizing a hard magnet as a pinned layer'2003 6,496,330'Magnetic write head having a splitcoil structure'2002 6,483,662'High density multi-coil magnetic write head having a reduced yoke length and short flux rise time'2002 6,479,096'Method for manufacturing a GMR spin valve having a smooth interface between magnetic and non-magnetic layers'2002 6,466,402'Compact MR write structure'2002 6,466,404'Magnetic read/write device with insulated coil layer recessed into pole'2002 6,452,742'Thin film write having reduced resistance conductor coil partially recessed within middle coat insulation'2002 6,445,554'Method and system for providing edge-junction TMR for high areal density magnetic recording'2002 6,433,968'Merged read/write head and method of fabricating same'2002 6,417,998'Ultra small advanced write transducer and method for making same'2002 6,400,526'Advanced writer for chip-on-load beam'2002 6,396,660'Magnetic write element having a thermally dissipative structure'2002 6,353,511'Thin film write head for improved high speed and high density recording'2002 6,349,014'Magnetic read/write device with insulated coil layer recessed into pole'2002 6,333,830'Low resistance coil structure for high speed writer'2001 6,330,136'Magnetic read sensor with SDT tri-layer and method for making same'2001 6,317,290'Advance pole trim writer with moment P1 and low apex angle'2001 6,304,414'Thin film magnetic write head having an ultra-low stack height'2001 6,282,056'Tapered stitch pole writer for high density magnetic recording'2001 6,277,505'Read sensor with improved thermal stability and manufacturing method therefor'2001 6,275,354'Magnetic head with a toroidal coil encompassing only one yoke layer'2001 6,233,116'Thin film write head with improved laminated flux carrying structure and method of fabrication'2001 6,221,218'Method of forming an inductive write head for magnetic data storage media'2001 6,204,999'Method and system for providing a write head having a conforming pole structure'2001 6,190,764'Inductive write head for magnetic data storage media'2001 6,178,070'Magnetic write head and method for making same'2001 6,055,138'Thin film pedestal pole tips write head having narrower lower pedestal pole tip'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2003Patents assigned to READ RITE CORP (28)· patent assignee history

2000–2016Based in San Jose, CA, US· patent location history

2004–2006Patents assigned to WESTERN DIGITAL FREMONT INC (6)· patent assignee history

2004–2006Patents assigned to ALLIANCE FIBER OPTIC PROD INC (3)· patent assignee history

2007–2009Patents assigned to HITACHI GLOBAL STORAGE TECH (3)· patent assignee history

2013–2016Patents assigned to HGST Netherlands BV (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
READ RITE CORP	28	2000–2003
WESTERN DIGITAL FREMONT INC	6	2004–2006
HGST Netherlands BV	4	2013–2016
ALLIANCE FIBER OPTIC PROD INC	3	2004–2006
HITACHI GLOBAL STORAGE TECH	3	2007–2009

Locations

Location	Patents	Span
San Jose, California, US	46	2000–2016