Inventor
Hermantha K. Wickramasinghe
Inventor
Chappaqua, NY, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties22%
B82YSpecific uses or applications of nanostructures11%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light11%
G01QScanning-probe techniques or apparatus11%
G11BInformation storage based on relative movement between record carrier and transducer11%
H10BElectronic memory devices11%
H10NElectric solid-state devices not otherwise provided for11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
7,394,730'Apparatus for patterning recording media'20087,038,231'Non-planarized, self-aligned, non-volatile phase-change memory array and method of formation'20065,061,070'Particulate inspection of fluids using interferometric light measurements'19914,747,698'Scanning thermal profiler'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2006Patents assigned to IBM (3)· patent assignee history
1988–2008Based in Chappaqua, NY, US· patent location history
2006Based in San Jose, CA, US· patent location history
2008Patents assigned to HITACHI GLOBAL STORAGE TECH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 3 | 1988–2006 |
| HITACHI GLOBAL STORAGE TECH | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chappaqua, New York, US | 3 | 1988–2008 |
| San Jose, California, US | 1 | 2006 |