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Michael Ghebrebrhan
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Cambridge, MA, US
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Patents Grants
last 30 patents
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Patent Grant
Particle-filled retroreflective fiber
Patent number
11,822,105
Issue date
Nov 21, 2023
The Government of the United States, as represented by the Secretary of the Army
Michael Ghebrebrhan
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Retro-reflective thread, method of manufacturing same and a textile
Patent number
11,123,937
Issue date
Sep 21, 2021
U.S. Government as represented by the Secretary of the Army
Michael Ghebrebrhan
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Retro-reflective thread, method of manufacturing same and a textile
Patent number
10,427,367
Issue date
Oct 1, 2019
U.S. Government as represented by the Secretary of the Army
Michael Ghebrebrhan
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Discriminating electromagnetic radiation based on angle of incidence
Patent number
RE47157
Issue date
Dec 11, 2018
Massachusetts Institute of Technology
Rafif E. Hamam
Information
Patent Grant
Thermophotovoltaic energy generation
Patent number
9,116,537
Issue date
Aug 25, 2015
Massachusetts Institute of Technology
Ivan Celanovic
G05 - CONTROLLING REGULATING
Information
Patent Grant
Discriminating electromagnetic radiation based on angle of incidence
Patent number
9,057,830
Issue date
Jun 16, 2015
Massachusetts Institute of Technology
Rafif E. Hamam
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
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Patent Application
DISCRIMINATING ELECTROMAGNETIC RADIATION BASED ON ANGLE OF INCIDENCE
Publication number
20120037217
Publication date
Feb 16, 2012
Massachusetts Institute of Technology
Rafif E. Hamam
G02 - OPTICS
Information
Patent Application
THERMOPHOTOVOLTAIC ENERGY GENERATION
Publication number
20110284059
Publication date
Nov 24, 2011
Massachusetts Institute of Technology
Ivan Celanovic
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
GLOBAL OPTIMIZATION OF THIN FILM PHOTOVOLTAIC CELL FRONT COATINGS
Publication number
20100258174
Publication date
Oct 14, 2010
Michael Ghebrebrhan
G02 - OPTICS