Hemantha K. Wickramasinghe

Person

People

Patents Grantslast 30 patents

Information Patent Grant
Electronically scannable multiplexing device
- Patent number 8,552,414
- Issue date Oct 8, 2013
- International Business Machines Corporation
- Hemantha Kumar Wickramasinghe
- G11 - INFORMATION STORAGE
Information Patent Grant
Sub-lithographic printing method
- Patent number 8,421,194
- Issue date Apr 16, 2013
- International Business Machines Corporation
- Chung H. Lam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sub-lithographic printing method
- Patent number 8,420,540
- Issue date Apr 16, 2013
- International Business Machines Corporation
- Chung H. Lam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronically scannable multiplexing device
- Patent number 8,178,362
- Issue date May 15, 2012
- International Business Machines Corporation
- Hemantha Kumar Wickramasinghe
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change memory cell and method of fabricating the phase-change...
- Patent number 7,910,910
- Issue date Mar 22, 2011
- International Business Machines Corporation
- Jonathan Zanhung Sun
- G11 - INFORMATION STORAGE
Information Patent Grant
Sub-lithographic printing method
- Patent number 7,879,728
- Issue date Feb 1, 2011
- International Business Machines Corporation
- Chung H. Lam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronically scannable multiplexing device
- Patent number 7,795,044
- Issue date Sep 14, 2010
- International Business Machines Corporation
- Hemantha Kumar Wickramasinghe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical storage system using an antenna for recording information d...
- Patent number 7,738,207
- Issue date Jun 15, 2010
- International Business Machines Corporation
- Hendrik F. Hamann
- G11 - INFORMATION STORAGE
Information Patent Grant
Electronically scannable multiplexing device
- Patent number 7,692,244
- Issue date Apr 6, 2010
- International Business Machines Corporation
- Hemantha Kumar Wickramasinghe
- G11 - INFORMATION STORAGE
Information Patent Grant
Non-planarized, self-aligned, non-volatile phase-change memory arra...
- Patent number 7,682,866
- Issue date Mar 23, 2010
- International Business Machines Corporation
- Mark W. Hart
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus to separate molecules according to their mobil...
- Patent number 7,579,149
- Issue date Aug 25, 2009
- International Business Machines Corporation
- Jane E. Frommer
- G01 - MEASURING TESTING
Information Patent Grant
Electronically scannable multiplexing device
- Patent number 7,514,327
- Issue date Apr 7, 2009
- International Business Machines Corporation
- Hemantha Kumar Wickramasinghe
- G11 - INFORMATION STORAGE
Information Patent Grant
Structure for confining the switching current in phase memory (PCM)...
- Patent number 7,488,967
- Issue date Feb 10, 2009
- International Business Machines Corporation
- Geoffrey W. Burr
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Device and method for generating an x-ray point source by geometric...
- Patent number 7,469,039
- Issue date Dec 23, 2008
- International Business Machines Corporation
- Hendrik F. Hamann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Memory and logic devices using electronically scannable multiplexin...
- Patent number 7,385,234
- Issue date Jun 10, 2008
- International Business Machines Corporation
- Kailash Gopalakrishnan
- G11 - INFORMATION STORAGE
Information Patent Grant
Electronically scannable multiplexing device
- Patent number 7,352,029
- Issue date Apr 1, 2008
- International Business Machines Corporation
- Hemantha Kumar Wickramasinghe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical storage system using an antenna for recording information d...
- Patent number 7,280,297
- Issue date Oct 9, 2007
- International Business Machines Corporation
- Hendrik F. Hamann
- G11 - INFORMATION STORAGE
Information Patent Grant
Heating device and magnetic recording head for thermally-assisted r...
- Patent number 7,262,936
- Issue date Aug 28, 2007
- Hitachi Global Storage Technologies Netherlands, B.V.
- Hendrik F. Hamann
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head with heating device
- Patent number 7,133,254
- Issue date Nov 7, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Hendrik F. Hamann
- G11 - INFORMATION STORAGE
Information Patent Grant
Device and method for generating an x-ray point source by geometric...
- Patent number 7,130,379
- Issue date Oct 31, 2006
- International Business Machines Corporation
- Hendrik F. Hamann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for patterning recording media
- Patent number 7,126,885
- Issue date Oct 24, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Ernesto E. Marinero
- G11 - INFORMATION STORAGE
Information Patent Grant
Indirect switching and sensing of phase change memory cells
- Patent number 7,009,694
- Issue date Mar 7, 2006
- International Business Machines Corporation
- Mark W. Hart
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method of configuring the air bearing surfaces of sli...
- Patent number 7,009,813
- Issue date Mar 7, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Soo-Choon Kang
- G11 - INFORMATION STORAGE
Information Patent Grant
Assembly comprising adjustable heat flux mechanism for thermally as...
- Patent number 6,982,843
- Issue date Jan 3, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Kevin Robert Coffey
- G11 - INFORMATION STORAGE
Information Patent Grant
Assembly for writing and/or erasing high density data on a media
- Patent number 6,920,088
- Issue date Jul 19, 2005
- International Business Machines Corporation
- Hemantha Kumar Wickramasinghe
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of forming a patterned magnetic recording medium
- Patent number 6,773,764
- Issue date Aug 10, 2004
- Hitachi Global Storage Technologies Netherlands B.V.
- Ernesto E. Marinero
- G11 - INFORMATION STORAGE
Information Patent Grant
Assembly and method suitable for thermo-magnetic writing/reading of...
- Patent number 6,771,445
- Issue date Aug 3, 2004
- Hitachi Global Storage Technologies Netherlands B.V.
- Hendrik F. Hamann
- G11 - INFORMATION STORAGE
Information Patent Grant
Assembly suitable for reading data based on thermal coupling
- Patent number 6,757,235
- Issue date Jun 29, 2004
- International Business Machines Corporation
- Hemantha Kumar Wickramasinghe
- G11 - INFORMATION STORAGE
Information Patent Grant
Assembly comprising a plurality of media probes for writing/reading...
- Patent number 6,702,186
- Issue date Mar 9, 2004
- Hitachi Global Storage Technologies, Netherlands B.V.
- Hendrik F. Hamann
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording system with single coil for thermally assisted w...
- Patent number 6,671,127
- Issue date Dec 30, 2003
- International Business Machines Corporation
- Yimin Hsu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONICALLY SCANNABLE MULTIPLEXING DEVICE
- Publication number 20120140571
- Publication date Jun 7, 2012
- International Business Machines Corporation
- HEMANTHA KUMAR WICKRAMASINGHE
- G11 - INFORMATION STORAGE
Information Patent Application
SUB-LITHOGRAPHIC PRINTING METHOD
- Publication number 20110108960
- Publication date May 12, 2011
- International Business Machines Corporation
- Chung H. Lam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUB-LITHOGRAPHIC PRINTING METHOD
- Publication number 20110104899
- Publication date May 5, 2011
- International Business Machines Corporation
- Chung H. Lam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONICALLY SCANNABLE MULTIPLEXING DEVICE
- Publication number 20100284214
- Publication date Nov 11, 2010
- International Business Machines Corporation
- HEMANTHA KUMAR WICKRAMASINGHE
- G11 - INFORMATION STORAGE
Information Patent Application
SUB-LITHOGRAPHIC PRINTING METHOD
- Publication number 20090186485
- Publication date Jul 23, 2009
- Chung H. Lam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONICALLY SCANNABLE MULTIPLEXING DEVICE
- Publication number 20090102538
- Publication date Apr 23, 2009
- International Business Machines Corp.
- HEMANTHA KUMAR WICKRAMASINGHE
- G11 - INFORMATION STORAGE
Information Patent Application
PHASE-CHANGE MEMORY CELL AND METHOD OF FABRICATING THE PHASE-CHANGE...
- Publication number 20090072214
- Publication date Mar 19, 2009
- International Business Machines Corporation
- Jonathan Zanhung Sun
- G11 - INFORMATION STORAGE
Information Patent Application
DEVICE AND METHOD FOR GENERATING AN X-RAY POINT SOURCE BY GEOMETRIC...
- Publication number 20080258068
- Publication date Oct 23, 2008
- International Business Machines Corporation
- Hendrik F. Hamann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONICALLY SCANNABLE MULTIPLEXING DEVICE
- Publication number 20080251840
- Publication date Oct 16, 2008
- International Business Machines Corp.
- HEMANTHA KUMAR WICKRAMASINGHE
- G11 - INFORMATION STORAGE
Information Patent Application
ELECTRONICALLY SCANNABLE MULTIPLEXING DEVICE
- Publication number 20080068065
- Publication date Mar 20, 2008
- International Business Machines Corp.
- Hemantha Kumar Wickramasinghe
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL STORAGE SYSTEM USING AN ANTENNA FOR RECORDING INFORMATION D...
- Publication number 20080007858
- Publication date Jan 10, 2008
- International Business Machines Corporation
- Hendrik F. Hamann
- G11 - INFORMATION STORAGE
Information Patent Application
Device and method for generating an x-ray point source by geometric...
- Publication number 20060269047
- Publication date Nov 30, 2006
- International Business Machines Corporation
- Hendrik F. Hamann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electronically scannable multiplexing device
- Publication number 20060244058
- Publication date Nov 2, 2006
- International Business Machines Corporation
- Hemantha Kumar Wickramasinghe
- G11 - INFORMATION STORAGE
Information Patent Application
Memory and logic devices using electronically scannable multiplexin...
- Publication number 20060244047
- Publication date Nov 2, 2006
- International Business Machines Corporation
- Kailash Gopalakrishnan
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus to separate molecules according to their mobil...
- Publication number 20060172283
- Publication date Aug 3, 2006
- International Business Machines Corporation
- Jane E. Frommer
- G01 - MEASURING TESTING
Information Patent Application
Non-planarized, self-aligned, non-volatile phase-change memory arra...
- Publication number 20060145134
- Publication date Jul 6, 2006
- International Business Machines Corporation
- Mark W. Hart
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Indirect switching and sensing of phase change memory cells
- Publication number 20050265072
- Publication date Dec 1, 2005
- Mark W. Hart
- G11 - INFORMATION STORAGE
Information Patent Application
Non-planarized, self-aligned, non-volatile phase-change memory arra...
- Publication number 20050242338
- Publication date Nov 3, 2005
- Mark W. Hart
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Phase-change memory cell and method of fabricating the phase-change...
- Publication number 20050227177
- Publication date Oct 13, 2005
- Business Machines Corporation
- Jonathan Zanhong Sun
- G11 - INFORMATION STORAGE
Information Patent Application
Heating device and magnetic recording head for thermally-assisted r...
- Publication number 20050190496
- Publication date Sep 1, 2005
- Hendrik F. Hamann
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording head with heating device
- Publication number 20040240109
- Publication date Dec 2, 2004
- Hendrik F. Hamann
- G11 - INFORMATION STORAGE
Information Patent Application
Device and method for generating an x-ray point source by geometric...
- Publication number 20040240613
- Publication date Dec 2, 2004
- International Business Machines Corporation
- Hendrik F. Hamann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Apparatus and method of configuring the air bearing surfaces of sli...
- Publication number 20040223249
- Publication date Nov 11, 2004
- Hitachi Global Storage Technologies Netherlands B.V.
- Soo-Choon Kang
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus for patterning recording media
- Publication number 20040091611
- Publication date May 13, 2004
- Ernesto E. Marinero
- G11 - INFORMATION STORAGE
Information Patent Application
Assembly and method for recording high density data in phase-change...
- Publication number 20040085861
- Publication date May 6, 2004
- International Business Machines Corporation
- Hendrik F. Hamann
- G11 - INFORMATION STORAGE
Information Patent Application
Patterned recording media and appratus and method of manufacture th...
- Publication number 20030124450
- Publication date Jul 3, 2003
- Ernesto E. Marinero
- G11 - INFORMATION STORAGE
Information Patent Application
Assembly comprising adjustable heat flux mechanism for thermally as...
- Publication number 20030035234
- Publication date Feb 20, 2003
- International Business Machines Corporation
- Kevin Robert Coffey
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording system with single coil for thermally assisted w...
- Publication number 20030021191
- Publication date Jan 30, 2003
- Yimin Hsu
- G11 - INFORMATION STORAGE
Information Patent Application
Support and alignment device for enabling chemical mechanical polis...
- Publication number 20020106972
- Publication date Aug 8, 2002
- International Business Machines Corporation
- Richard J. Lebel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Assembly suitable for reading data based on thermal coupling
- Publication number 20020101812
- Publication date Aug 1, 2002
- International Business Machines Corporation
- Hemantha Kumar Wickramasinghe
- B82 - NANO-TECHNOLOGY

Hemantha K. Wickramasinghe

Person

Patents Grantslast 30 patents

Electronically scannable multiplexing device

Sub-lithographic printing method

Sub-lithographic printing method

Electronically scannable multiplexing device

Phase-change memory cell and method of fabricating the phase-change...

Sub-lithographic printing method

Electronically scannable multiplexing device

Optical storage system using an antenna for recording information d...

Electronically scannable multiplexing device

Non-planarized, self-aligned, non-volatile phase-change memory arra...

Method and apparatus to separate molecules according to their mobil...

Electronically scannable multiplexing device

Structure for confining the switching current in phase memory (PCM)...

Device and method for generating an x-ray point source by geometric...

Memory and logic devices using electronically scannable multiplexin...

Electronically scannable multiplexing device

Optical storage system using an antenna for recording information d...

Heating device and magnetic recording head for thermally-assisted r...

Magnetic recording head with heating device

Device and method for generating an x-ray point source by geometric...

Apparatus for patterning recording media

Indirect switching and sensing of phase change memory cells

Apparatus and method of configuring the air bearing surfaces of sli...

Assembly comprising adjustable heat flux mechanism for thermally as...

Assembly for writing and/or erasing high density data on a media

Method of forming a patterned magnetic recording medium

Assembly and method suitable for thermo-magnetic writing/reading of...

Assembly suitable for reading data based on thermal coupling

Assembly comprising a plurality of media probes for writing/reading...

Magnetic recording system with single coil for thermally assisted w...

Patents Applicationslast 30 patents

ELECTRONICALLY SCANNABLE MULTIPLEXING DEVICE

SUB-LITHOGRAPHIC PRINTING METHOD

SUB-LITHOGRAPHIC PRINTING METHOD

ELECTRONICALLY SCANNABLE MULTIPLEXING DEVICE

SUB-LITHOGRAPHIC PRINTING METHOD

ELECTRONICALLY SCANNABLE MULTIPLEXING DEVICE

PHASE-CHANGE MEMORY CELL AND METHOD OF FABRICATING THE PHASE-CHANGE...

DEVICE AND METHOD FOR GENERATING AN X-RAY POINT SOURCE BY GEOMETRIC...

ELECTRONICALLY SCANNABLE MULTIPLEXING DEVICE

ELECTRONICALLY SCANNABLE MULTIPLEXING DEVICE

OPTICAL STORAGE SYSTEM USING AN ANTENNA FOR RECORDING INFORMATION D...

Device and method for generating an x-ray point source by geometric...

Electronically scannable multiplexing device

Memory and logic devices using electronically scannable multiplexin...

Method and apparatus to separate molecules according to their mobil...

Non-planarized, self-aligned, non-volatile phase-change memory arra...

Indirect switching and sensing of phase change memory cells

Non-planarized, self-aligned, non-volatile phase-change memory arra...

Phase-change memory cell and method of fabricating the phase-change...

Heating device and magnetic recording head for thermally-assisted r...

Magnetic recording head with heating device

Device and method for generating an x-ray point source by geometric...

Apparatus and method of configuring the air bearing surfaces of sli...

Apparatus for patterning recording media

Assembly and method for recording high density data in phase-change...

Patterned recording media and appratus and method of manufacture th...

Assembly comprising adjustable heat flux mechanism for thermally as...

Magnetic recording system with single coil for thermally assisted w...

Support and alignment device for enabling chemical mechanical polis...

Assembly suitable for reading data based on thermal coupling