Inventor
Abbas Behfar-Rad
Inventor
Wappingers Falls, NY, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light48%
B82YSpecific uses or applications of nanostructures24%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
G01RMeasuring electric variables5%
G02BOptical elements, systems or apparatus5%
H10HInorganic light-emitting semiconductor devices having potential barriers5%
PatentTitleYear
5,594,749'Semiconductor laser with low vertical far-field'19975,532,608'Ceramic probe card and method for reducing leakage current'19965,376,582'Planar, topology-free, single-mode, high-power semiconductor quantum-well laser with non-absorbing mirrors and current confinement'19945,311,539'Roughened sidewall ridge for high power fundamental mode semiconductor ridge waveguide laser operation'19945,307,357'Protection means for ridge waveguide laser structures using thick organic films'19945,301,202'Semiconductor ridge waveguide laser with asymmetrical cladding'19945,132,983'Optical logic using semiconductor ring lasers'19925,075,743'Quantum well optical device on silicon'19915,031,190'Optical logic using semiconductor ring lasers'19914,924,476'Traveling wave semi-conductor laser'19904,851,368'Method of making travelling wave semi-conductor laser'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1992Patents assigned to CORNELL RES FOUNDATION INC (5)· patent assignee history
1989–1991Based in Ithaca, NY, US· patent location history
1991–1992Based in Wappinger Falls, NY, US· patent location history
1994–1997Patents assigned to IBM (6)· patent assignee history
1994–1997Based in Wappingers Falls, NY, US· patent location history
1994Based in Highland Falls, NY, US· patent location history
1996Based in Poughquag, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 6 | 1994–1997 |
| CORNELL RES FOUNDATION INC | 5 | 1989–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wappingers Falls, New York, US | 4 | 1994–1997 |
| Ithaca, New York, US | 3 | 1989–1991 |
| Wappinger Falls, New York, US | 2 | 1991–1992 |
| Poughquag, New York, US | 1 | 1996 |
| Highland Falls, New York, US | 1 | 1994 |