Wipul Jayasekara

Person

Las Gatos, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Plasma reduction method for modifying metal oxide stoichiometry in...
- Patent number 9,054,308
- Issue date Jun 9, 2015
- Sandisk 3D LLC
- Tong Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic devices including carbon nano-tube films having boron ni...
- Patent number 8,835,892
- Issue date Sep 16, 2014
- Sandisk 3D LLC
- Wipul Pemsiri Jayasekara
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Composition of memory cell with resistance-switching layers
- Patent number 8,520,424
- Issue date Aug 27, 2013
- Sandisk 3D LLC
- Franz Kreupl
- G11 - INFORMATION STORAGE
Information Patent Grant
Electronic devices including carbon nano-tube films having carbon-b...
- Patent number 8,421,050
- Issue date Apr 16, 2013
- Sandisk 3D LLC
- Er-Xuan Ping
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Current perpendicular to plane magnetoresistance read head design u...
- Patent number 8,284,525
- Issue date Oct 9, 2012
- HGST Netherlands, B.V.
- Hardayal S. Gill
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for manufacturing a magnetoresistive sensor having a novel j...
- Patent number 8,266,785
- Issue date Sep 18, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- James Mac Freitag
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Read sensors and methods of making same with back-edge milling and...
- Patent number 8,136,226
- Issue date Mar 20, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Hardayal S. Gill
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Current perpendicular to plane magnetoresistance read head design u...
- Patent number 8,098,463
- Issue date Jan 17, 2012
- Hitachi Global Storage Technologies Netherlands, B.V.
- Hardayal S. Gill
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for manufacturing an ultra narrow gap magnetoresistive sensor
- Patent number 8,037,593
- Issue date Oct 18, 2011
- Hitachi Global Storage Technologies Netherlands, B.V.
- Kuok San Ho
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Current perpendicular to plane differential magnetoresistance read...
- Patent number 7,974,047
- Issue date Jul 5, 2011
- Hitachi Global Storage Technologies Netherlands, B.V.
- Hardayal S. Gill
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Current perpendicular to plane magnetoresistive sensor with reduced...
- Patent number 7,961,440
- Issue date Jun 14, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Hardayal Singh Gill
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Perpendicular pole structure and method of fabricating the same
- Patent number 7,881,011
- Issue date Feb 1, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Richard Hsiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Differential current perpendicular to plane giant magnetoresistive...
- Patent number 7,881,018
- Issue date Feb 1, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Hardayal Singh Gill
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Test device and method for measurement of tunneling magnetoresistan...
- Patent number 7,863,911
- Issue date Jan 4, 2011
- Hitachi Global Storage Technologies, Netherlands, B.V.
- Ying Hong
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetoresistive sensor having an anisotropic hard bias with high c...
- Patent number 7,848,065
- Issue date Dec 7, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- James Mac Freitag
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Current perpendicular to plane (CPP) magnetoresistive sensor with b...
- Patent number 7,848,061
- Issue date Dec 7, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Wipul Jayasekara
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having oxidized read sensor edges to reduce sensor cu...
- Patent number 7,839,606
- Issue date Nov 23, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Wipul Pemsiri Jayasekara
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method to reduce corner shunting during fabrication of CPP read heads
- Patent number 7,839,607
- Issue date Nov 23, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Robert E. Fontana, Jr.
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for manufacturing a tunnel junction magnetoresistive sensor...
- Patent number 7,820,455
- Issue date Oct 26, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Hardayal Singh Gill
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Tunnel MR head with long stripe height sensor stabilized through th...
- Patent number 7,773,349
- Issue date Aug 10, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Robert Stanley Beach
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for patterning a magnetoresistive sensor
- Patent number 7,765,676
- Issue date Aug 3, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Marie-Claire Cyrille
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic sensor with extended free layer and overlaid leads
- Patent number 7,652,855
- Issue date Jan 26, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making a magnetoresistive reader structure
- Patent number 7,640,650
- Issue date Jan 5, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Satoru Araki
- G11 - INFORMATION STORAGE
Information Patent Grant
Double mill process for patterning current perpendicular to plane (...
- Patent number 7,639,456
- Issue date Dec 29, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Ying Hong
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for using CVD process to encapsulate coil in a magnetic writ...
- Patent number 7,627,942
- Issue date Dec 8, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Richard Hsiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for providing an endpoint layer for ion milling of top of re...
- Patent number 7,623,325
- Issue date Nov 24, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Wipul Pemsiri Jayasekara
- G11 - INFORMATION STORAGE
Information Patent Grant
Method to fabricate side shields for a magnetic sensor
- Patent number 7,574,791
- Issue date Aug 18, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Satoru Araki
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for the fabrication of multilayer thin film magnetoresistiv...
- Patent number 7,565,733
- Issue date Jul 28, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Hardayal Singh Gill
- G11 - INFORMATION STORAGE
Information Patent Grant
Deposition defined trackwidth for very narrow trackwidth CPP device
- Patent number 7,562,436
- Issue date Jul 21, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Wipul Pemsiri Jayasekara
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of fabricating a thin film magnetic sensor on a wafer
- Patent number 7,497,008
- Issue date Mar 3, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Tsung Yuan Chen
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
CURRENT PERPENDICULAR TO PLANE MAGNETORESISTANCE READ HEAD DESIGN U...
- Publication number 20120075751
- Publication date Mar 29, 2012
- Hardayal S. Gill
- G01 - MEASURING TESTING
Information Patent Application
Composition Of Memory Cell With Resistance-Switching Layers
- Publication number 20110310655
- Publication date Dec 22, 2011
- Franz Kreupl
- G11 - INFORMATION STORAGE
Information Patent Application
ELECTRONIC DEVICES INCLUDING CARBON NANO-TUBE FILMS HAVING BORON NI...
- Publication number 20100108981
- Publication date May 6, 2010
- SanDisk 3D LLC
- Wipul Pemsiri Jayasekara
- G11 - INFORMATION STORAGE
Information Patent Application
ELECTRONIC DEVICES INCLUDING CARBON NANO-TUBE FILMS HAVING CARBON-B...
- Publication number 20100108982
- Publication date May 6, 2010
- SanDisk 3D LLC
- Er-Xuan Ping
- B82 - NANO-TECHNOLOGY
Information Patent Application
ELECTRONIC DEVICES INCLUDING CARBON-BASED FILMS, AND METHODS OF FOR...
- Publication number 20100108976
- Publication date May 6, 2010
- SanDisk 3D LLC
- Wipul Pemsiri Jayasekara
- B82 - NANO-TECHNOLOGY
Information Patent Application
CURRENT PERPENDICULAR TO PLANE DIFFERENTIAL MAGNETORESISTANCE READ...
- Publication number 20100053818
- Publication date Mar 4, 2010
- Hardayal S. Gill
- G11 - INFORMATION STORAGE
Information Patent Application
CURRENT PERPENDICULAR TO PLANE MAGNETORESISTANCE READ HEAD DESIGN U...
- Publication number 20100027167
- Publication date Feb 4, 2010
- Hardayal S. Gill
- G01 - MEASURING TESTING
Information Patent Application
READ SENSORS AND METHODS OF MAKING SAME WITH BACK-EDGE MILLING AND...
- Publication number 20090286106
- Publication date Nov 19, 2009
- Hardayal S. Gill
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A TUNNEL JUNCTION MAGNETORESISTIVE SENSOR...
- Publication number 20090246890
- Publication date Oct 1, 2009
- Hardayal Singh Gill
- G01 - MEASURING TESTING
Information Patent Application
Test device and method for measurement of tunneling magnetoresistan...
- Publication number 20090168254
- Publication date Jul 2, 2009
- Ying Hong
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR MANUFACTURING AN ULTRA NARROW GAP MAGNETORESISTIVE SENSOR
- Publication number 20090165286
- Publication date Jul 2, 2009
- Kuok San Ho
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF MAKING A MAGNETORESISTIVE READER STRUCTURE
- Publication number 20090168253
- Publication date Jul 2, 2009
- Satoru Araki
- G01 - MEASURING TESTING
Information Patent Application
CURRENT PERPENDICULAR TO PLANE MAGNETORESISTIVE SENSOR WITH REDUCED...
- Publication number 20090086385
- Publication date Apr 2, 2009
- Hardayal Singh Gill
- G01 - MEASURING TESTING
Information Patent Application
DIFFERENTIAL CURRENT PERPENDICULAR TO PLANE GIANT MAGNETORESISTIVE...
- Publication number 20090059437
- Publication date Mar 5, 2009
- Hardayal Singh Gill
- G01 - MEASURING TESTING
Information Patent Application
READ HEAD HAVING SHAPED READ SENSOR-BIASING LAYER JUNCTIONS USING P...
- Publication number 20080158736
- Publication date Jul 3, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Marie-Claire Cyrille
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETORESISTIVE SENSOR HAVING AN ANISOTROPIC HARD BIAS WITH HIGH C...
- Publication number 20080151441
- Publication date Jun 26, 2008
- HITACHI GLOBAL STORAGE TECHNOLOGIES
- James Mac Freitag
- G01 - MEASURING TESTING
Information Patent Application
Magnetic recording head with overlaid leads
- Publication number 20080112090
- Publication date May 15, 2008
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A MAGNETORESISTIVE SENSOR HAVING A NOVEL J...
- Publication number 20080062584
- Publication date Mar 13, 2008
- James Mac Freitag
- G01 - MEASURING TESTING
Information Patent Application
PERPENDICULAR POLE STRUCTURE AND METHOD OF FABRICATING THE SAME
- Publication number 20080026254
- Publication date Jan 31, 2008
- Richard Hsiao
- G11 - INFORMATION STORAGE
Information Patent Application
Method to reduce corner shunting during fabrication of CPP read heads
- Publication number 20080020240
- Publication date Jan 24, 2008
- Robert E. Fontana
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head having oxidized read sensor edges to reduce sensor cu...
- Publication number 20070285849
- Publication date Dec 13, 2007
- Wipul Pemsiri Jayasekara
- G01 - MEASURING TESTING
Information Patent Application
Process for the fabrication of multilayer thin film magnetoresistiv...
- Publication number 20070266549
- Publication date Nov 22, 2007
- Hardayal Singh Gill
- G01 - MEASURING TESTING
Information Patent Application
Current perpendicular to plane (CPP) magnetoresistive sensor with b...
- Publication number 20070217080
- Publication date Sep 20, 2007
- HITACHI GLOBAL STORAGE TECHNOLOGIES
- Wipul Jayasekara
- G11 - INFORMATION STORAGE
Information Patent Application
Tunnel MR head with long stripe height sensor stabilized through th...
- Publication number 20070188939
- Publication date Aug 16, 2007
- Robert Stanley Beach
- G01 - MEASURING TESTING
Information Patent Application
Double mill process for patterning current perpendicular to plane (...
- Publication number 20070081279
- Publication date Apr 12, 2007
- HITACHI GLOBAL STORAGE TECHNOLOGIES
- Ying Hong
- G01 - MEASURING TESTING
Information Patent Application
Magnetic recording head with ESD shunt trace
- Publication number 20070076328
- Publication date Apr 5, 2007
- Hitachi Global Storage Technologies Netherlands, B.V
- Wipul P. Jayasekara
- G11 - INFORMATION STORAGE
Information Patent Application
Method for providing an endpoint layer for ion milling of top of re...
- Publication number 20070068797
- Publication date Mar 29, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Wipul Pemsiri Jayasekara
- G01 - MEASURING TESTING
Information Patent Application
Magnetic recording head wiht overlaid leads
- Publication number 20070048624
- Publication date Mar 1, 2007
- Tsung Yuan Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Method of partial depth material removal for fabrication of CPP rea...
- Publication number 20070028441
- Publication date Feb 8, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Marie-Claire Cyrille
- G11 - INFORMATION STORAGE
Information Patent Application
Deposition defined trackwidth for very narrow trackwidth CPP device
- Publication number 20070026538
- Publication date Feb 1, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Wipul Pemsiri Jayasekara
- G01 - MEASURING TESTING

Wipul Jayasekara

Person

Patents Grantslast 30 patents

Plasma reduction method for modifying metal oxide stoichiometry in...

Electronic devices including carbon nano-tube films having boron ni...

Composition of memory cell with resistance-switching layers

Electronic devices including carbon nano-tube films having carbon-b...

Current perpendicular to plane magnetoresistance read head design u...

Method for manufacturing a magnetoresistive sensor having a novel j...

Read sensors and methods of making same with back-edge milling and...

Current perpendicular to plane magnetoresistance read head design u...

Method for manufacturing an ultra narrow gap magnetoresistive sensor

Current perpendicular to plane differential magnetoresistance read...

Current perpendicular to plane magnetoresistive sensor with reduced...

Perpendicular pole structure and method of fabricating the same

Differential current perpendicular to plane giant magnetoresistive...

Test device and method for measurement of tunneling magnetoresistan...

Magnetoresistive sensor having an anisotropic hard bias with high c...

Current perpendicular to plane (CPP) magnetoresistive sensor with b...

Magnetic head having oxidized read sensor edges to reduce sensor cu...

Method to reduce corner shunting during fabrication of CPP read heads

Method for manufacturing a tunnel junction magnetoresistive sensor...

Tunnel MR head with long stripe height sensor stabilized through th...

Method for patterning a magnetoresistive sensor

Magnetic sensor with extended free layer and overlaid leads

Method of making a magnetoresistive reader structure

Double mill process for patterning current perpendicular to plane (...

Method for using CVD process to encapsulate coil in a magnetic writ...

Method for providing an endpoint layer for ion milling of top of re...

Method to fabricate side shields for a magnetic sensor

Process for the fabrication of multilayer thin film magnetoresistiv...

Deposition defined trackwidth for very narrow trackwidth CPP device

Method of fabricating a thin film magnetic sensor on a wafer

Patents Applicationslast 30 patents

CURRENT PERPENDICULAR TO PLANE MAGNETORESISTANCE READ HEAD DESIGN U...

Composition Of Memory Cell With Resistance-Switching Layers

ELECTRONIC DEVICES INCLUDING CARBON NANO-TUBE FILMS HAVING BORON NI...

ELECTRONIC DEVICES INCLUDING CARBON NANO-TUBE FILMS HAVING CARBON-B...

ELECTRONIC DEVICES INCLUDING CARBON-BASED FILMS, AND METHODS OF FOR...

CURRENT PERPENDICULAR TO PLANE DIFFERENTIAL MAGNETORESISTANCE READ...

CURRENT PERPENDICULAR TO PLANE MAGNETORESISTANCE READ HEAD DESIGN U...

READ SENSORS AND METHODS OF MAKING SAME WITH BACK-EDGE MILLING AND...

METHOD FOR MANUFACTURING A TUNNEL JUNCTION MAGNETORESISTIVE SENSOR...

Test device and method for measurement of tunneling magnetoresistan...

METHOD FOR MANUFACTURING AN ULTRA NARROW GAP MAGNETORESISTIVE SENSOR

METHOD OF MAKING A MAGNETORESISTIVE READER STRUCTURE

CURRENT PERPENDICULAR TO PLANE MAGNETORESISTIVE SENSOR WITH REDUCED...

DIFFERENTIAL CURRENT PERPENDICULAR TO PLANE GIANT MAGNETORESISTIVE...

READ HEAD HAVING SHAPED READ SENSOR-BIASING LAYER JUNCTIONS USING P...

MAGNETORESISTIVE SENSOR HAVING AN ANISOTROPIC HARD BIAS WITH HIGH C...

Magnetic recording head with overlaid leads

METHOD FOR MANUFACTURING A MAGNETORESISTIVE SENSOR HAVING A NOVEL J...

PERPENDICULAR POLE STRUCTURE AND METHOD OF FABRICATING THE SAME

Method to reduce corner shunting during fabrication of CPP read heads

Magnetic head having oxidized read sensor edges to reduce sensor cu...

Process for the fabrication of multilayer thin film magnetoresistiv...

Current perpendicular to plane (CPP) magnetoresistive sensor with b...

Tunnel MR head with long stripe height sensor stabilized through th...

Double mill process for patterning current perpendicular to plane (...

Magnetic recording head with ESD shunt trace

Method for providing an endpoint layer for ion milling of top of re...

Magnetic recording head wiht overlaid leads

Method of partial depth material removal for fabrication of CPP rea...

Deposition defined trackwidth for very narrow trackwidth CPP device