Inventor
Roger A. Dufresne
Inventor
Fairfax, VT, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables29%
H01LSemiconductor devices21%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
PatentTitleYear
10,103,060Test structures for dielectric reliability evaluations20189,851,398Via leakage and breakdown testing20179,780,031'Wiring structures'20179,453,873'Non-planar field effect transistor test structure and lateral dielectric breakdown testing method'20169,059,052'Alternating open-ended via chains for testing via formation and dielectric integrity'20159,029,172'On-chip poly-to-contact process monitoring and reliability evaluation system and method of use'20158,917,104'Analyzing EM performance during IC manufacturing'20148,890,556'Real-time on-chip EM performance monitoring'20148,754,655'Test structure, method and circuit for simultaneously testing time dependent dielectric breakdown and electromigration or stress migration'20146,743,655'Negative differential resistance reoxidized nitride silicon-based photodiode and method'20046,445,021'Negative differential resistance reoxidized nitride silicon-based photodiode and method'20025,898,706'Structure and method for reliability stressing of dielectrics'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2017Patents assigned to IBM (10)· patent assignee history
1999–2018Based in Fairfax, VT, US· patent location history
2014–2015Patents assigned to CHEN FEN (4)· patent assignee history
2014–2015Patents assigned to DUFRESNE ROGER A (4)· patent assignee history
2014Patents assigned to FENG KAI D (2)· patent assignee history
2014Based in Essex Junction, VT, US· patent location history
2016–2018Patents assigned to GLOBALFOUNDRIES INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 10 | 1999–2017 |
| CHEN FEN | 4 | 2014–2015 |
| DUFRESNE ROGER Aself | 4 | 2014–2015 |
| GLOBALFOUNDRIES INC | 3 | 2016–2018 |
| FENG KAI D | 2 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fairfax, VT, US | 11 | 1999–2018 |
| Essex Junction, VT, US | 1 | 2014 |