Inventor
Hematha K. Wickramasinghe
Inventor
San Jose, CA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B82Yprimary
B82YSpecific uses or applications of nanostructures20%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices20%
B08BCleaning in general15%
B24BMachines, devices, or processes for grinding or polishing10%
B29CShaping or joining of plastics10%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
G11BInformation storage based on relative movement between record carrier and transducer5%
PatentTitleYear
8,721,952'Pneumatic method and apparatus for nano imprint lithography having a conforming mask'20147,883,832'Method and apparatus for direct referencing of top surface of workpiece during imprint lithography'20117,776,709'Cut-and-paste imprint lithographic mold and method therefor'20107,344,955'Cut-and-paste imprint lithographic mold and method therefor'20087,130,038'Method and apparatus for optical film measurements in a controlled environment'20066,967,715'Method and apparatus for optical film measurements in a controlled environment'20056,890,388'Apparatus and method for using an acoustic-jet for cleaning hard disk drive heads in manufacturing'20056,738,142'Integrated wafer cassette metrology assembly'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2014Patents assigned to IBM (8)· patent assignee history
2004–2006Based in Chappaqua, NY, US· patent location history
2008–2014Based in San Jose, CA, US· patent location history
2014Patents assigned to COLBURN MATTHEW E (1)· patent assignee history
2014Patents assigned to MARTIN YVES C (1)· patent assignee history
2014Patents assigned to VAN KESSEL THEODORE G (1)· patent assignee history
2014Patents assigned to WICKRAMASINGHE HEMATHA K (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 8 | 2004–2014 |
| COLBURN MATTHEW E | 1 | 2014 |
| MARTIN YVES C | 1 | 2014 |
| VAN KESSEL THEODORE G | 1 | 2014 |
| WICKRAMASINGHE HEMATHA Kself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 4 | 2008–2014 |
| Chappaqua, New York, US | 4 | 2004–2006 |