Inventor
Roger E. Welser
Inventor
Providence, RI, US
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Fprimary
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation23%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution23%
H01LSemiconductor devices18%
H10DInorganic electric semiconductor devices11%
G02BOptical elements, systems or apparatus6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%
B05DProcesses for applying fluent materials to surfaces, in general3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
C25DProcesses for the electrolytic or electrophoretic production of coatings1%
PatentTitleYear
10,790,399High efficiency quantum dot sensitized thin film solar cell with absorber layer202010,283,657Broadband photovoltaic sheets and method of constructing the same201910,281,617Highly durable hydrophobic antireflection structures and method of manufacturing the same201910,090,424Roll-to-roll solution process method for fabricating CIGS solar cells and system for the same201810,062,793High efficiency quantum well waveguide solar cells and methods for constructing the same201810,020,772Portable solar array20189,947,824Solar cell employing nanocrystalline superlattice material and amorphous structure and method of constructing the same20189,935,220High efficiency quantum dot sensitized thin film solar cell with absorber layer20189,614,108'Optically-thin chalcogenide solar cells'20179,590,133'Thin film solar cells on flexible substrates and methods of constructing the same'20179,543,456'Multijunction solar cell employing extended heterojunction and step graded antireflection structures and methods for constructing the same'20179,400,343'Highly durable hydrophobic antireflection structures and method of manufacturing the same'20168,981,207'High efficiency quantum dot sensitized thin film solar cell with absorber layer'20158,969,711'Solar cell employing nanocrystalline superlattice material and amorphous structure and method of constructing the same'20158,921,687'High efficiency quantum well waveguide solar cells and methods for constructing the same'20148,895,838'Multijunction solar cell employing extended heterojunction and step graded antireflection structures and methods for constructing the same'20148,865,506'Roll-to-roll solution process method for fabricating CIGS solar cells and system for the same'20148,866,005'InGaP heterojunction barrier solar cells'20147,872,330'Bipolar transistor with enhanced base transport'20117,566,948'Bipolar transistor with enhanced base transport'20097,345,327'Bipolar transistor'20087,186,624'Bipolar transistor with lattice matched base layer'20077,115,466'Bipolar transistor with graded base layer'20066,847,060'Bipolar transistor with graded base layer'20056,800,879'Method of preparing indium phosphide heterojunction bipolar transistors'20046,750,480'Bipolar transistor with lattice matched base layer'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2014Patents assigned to KOPIN CORP (9)· patent assignee history
2004–2020Based in Providence, RI, US· patent location history
2014–2020Patents assigned to MAGNOLIA SOLAR INC (14)· patent assignee history
2014–2015Patents assigned to WELSER ROGER E (6)· patent assignee history
2014–2015Patents assigned to SOOD ASHOK K (5)· patent assignee history
2016–2019Patents assigned to MAGNOLIA OPTICAL TECH INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAGNOLIA SOLAR INC | 14 | 2014–2020 |
| KOPIN CORP | 9 | 2004–2014 |
| WELSER ROGER Eself | 6 | 2014–2015 |
| SOOD ASHOK K | 5 | 2014–2015 |
| MAGNOLIA OPTICAL TECH INC | 3 | 2016–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Providence, RI, US | 26 | 2004–2020 |