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Inventor

Igor Vurgaftman

Inventor
Severna Park, MD, US

Overview

33→
Patents
1998–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 33 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 light20%
H01LSemiconductor devices13%
B82YSpecific uses or applications of nanostructures11%
G02BOptical elements, systems or apparatus11%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation10%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light5%
H10HInorganic light-emitting semiconductor devices having potential barriers5%
H10DInorganic electric semiconductor devices3%
H10NElectric solid-state devices not otherwise provided for3%
PatentTitleYear
11,125,689Highly stable semiconductor lasers and sensors for III-V and silicon photonic integrated circuits202110,644,114Reticulated shallow etch mesa isolation202010,559,704In-plane resonant-cavity infrared photodetectors with fully-depleted absorbers202010,461,202In-plane resonant-cavity infrared photodetectors with fully-depleted absorbers201910,453,977In-plane resonant-cavity infrared photodetectors with fully-depleted absorbers201910,446,701In-plane resonant-cavity infrared photodetectors with fully-depleted absorbers201910,333,011In-plane resonant cavity infrared photodetectors with fully depleted absorbers201910,297,699In-plane resonant-cavity infrared photodetectors with fully-depleted absorbers201910,062,794Resonant-cavity infrared photodetectors with fully-depleted absorbers20189,995,858Frequency- and amplitude-modulated narrow-band infrared emitters20189,971,071Frequency- and amplitude- modulated narrow-band infrared emitters20189,960,571Weakly index-guided interband cascade lasers with no grown top cladding layer or a thin top cladding layer20189,923,338'Interband cascade lasers with low-fill-factor top contact for reduced loss'20189,870,839'Frequency- and amplitude-modulated narrow-band infrared emitters'20189,612,398'Ultra-broadband photonic integrated circuit platform and ultra-broadband photonic integrated circuit'20179,305,122'Computationally efficient method for building quantum heterostructures'20169,059,570'Interband cascade lasers with engineered carrier densities'20158,879,593'Epitaxial-side-down mounted high-power semiconductor lasers'20148,798,111'Interband cascade lasers with engineered carrier densities'20148,493,654'High-temperature interband cascade lasers'20138,385,378'Interband cascade lasers'20138,290,011'Interband cascade lasers'20128,125,706'High-temperature interband cascade lasers'20127,755,828'Method for optical control of microwave phase'20107,256,417'Type II quantum well mid-infrared optoelectronic devices'20076,996,152'Photonic-crystal distributed-feedback and distributed bragg-reflector lasers'20066,868,107'Method for designing photonic-crystal distributed-feedback and distributed bragg-reflector lasers'20056,826,223'Surface-emitting photonic crystal distributed feedback laser systems and methods'20046,734,043'Pressure-bonded heat sink method'20046,448,642'Pressure-bonded heat-sink system'20026,282,761'Heat sink pressure clip'20016,100,704'Quantitative mobility spectrum analysis of magnetic-field dependent hall and resistivity data'20005,799,026'Interband quantum well cascade laser, with a blocking quantum well for improved quantum efficiency'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2006Based in Pikesville, MD, US· patent location history
2000–2019Patents assigned to US NAVY (24)· patent assignee history
2004Based in Catonsville, MD, US· patent location history
2007–2014Based in Odenton, MD, US· patent location history
2012–2016Patents assigned to MEYER JERRY R (8)· patent assignee history
2012–2016Patents assigned to VURGAFTMAN IGOR (8)· patent assignee history
2012–2015Patents assigned to BEWLEY WILLIAM W (7)· patent assignee history
2012–2015Patents assigned to KIM MIJIN (7)· patent assignee history
2015–2021Based in Severna Park, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
US NAVY242000–2019
MEYER JERRY R82012–2016
VURGAFTMAN IGORself82012–2016
BEWLEY WILLIAM W72012–2015
KIM MIJIN72012–2015
Locations
LocationPatentsSpan
Severna Park, Maryland, US172015–2021
Odenton, Maryland, US82007–2014
Pikesville, Maryland, US71998–2006
Catonsville, Maryland, US12004