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Inventor

Alexei A. Erchak

Inventor
Cambridge, MA, US

Overview

63→
Patents
2003–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 63 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers37%
G02BOptical elements, systems or apparatus10%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
B82YSpecific uses or applications of nanostructures8%
H04NPictorial communication, e.g. television6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light5%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
H10KOrganic electric solid-state devices3%
F21KNon-electric light sources using luminescence2%
PatentTitleYear
9,698,306'Large emission area light-emitting devices'2017D0753851'Illumination unit'2016D0752272'Electronic component for illumination device'20169,219,200'Large emission area light-emitting devices'20158,643,266'Light-emitting device including independently electrically addressable sections'20148,585,273'Illumination assembly including wavelength converting material'20138,513,692'Light emitting devices'20138,436,388'Illumination assembly including wavelength converting material having spatially varying density'20138,426,872'Light emitting diode systems including optical display systems having a microdisplay'20138,405,298'Large emission area light-emitting devices'20138,362,603'Flexible circuit light-emitting structures'20138,278,190'Methods of forming light-emitting structures'20128,251,520'Optical display systems and methods'20128,217,415'Electronic device contact structures'20128,162,526'Light-emitting devices for liquid crystal displays'20128,110,838'Spatial localization of light-generating portions in LEDs'20128,100,567'Light-emitting devices and related systems'20128,092,064'Tiled illumination assembly and related methods'20128,072,134'Light-emitting devices'20117,994,521'Light emitting devices'20117,959,341'LED color management and display systems'20117,934,841'Optical display systems and methods'20117,915,679'Light-emitting devices including a nonperiodic pattern'20117,799,585'Light emitting device methods'20107,737,450'Light emitting diode systems'20107,733,007'Patterned light emitting devices'20107,719,019'Light emitting devices'20107,692,207'Packaging designs for LEDs'20107,667,238'Light emitting devices for liquid crystal displays'20107,598,531'Electronic device contact structures'20097,535,645'Optical display systems and methods'20097,521,854'Patterned light emitting devices and extraction efficiencies related to the same'20097,521,273'Light emitting device methods'20097,504,669'Light emitting devices'20097,495,260'Light emitting devices'20097,482,640'Electronic device contact structures'20097,459,845'Light emitting devices'20087,450,311'Optical display systems and methods'20087,417,367'Patterned light emitting devices'20087,391,059'Isotropic collimation devices and related methods'20087,388,233'Patchwork patterned devices and related methods'20087,348,603'Anisotropic collimation devices and related methods'20087,344,903'Light emitting device processes'20087,345,416'Patterned light emitting devices'20087,341,880'Light emitting device processes'20087,301,271'Light-emitting devices with high light collimation'20077,274,043'Light emitting diode systems'20077,262,550'Light emitting diode utilizing a physical pattern'20077,260,287'Nano-electromechanical high-index contrast'20077,211,831'Light emitting device with patterned surfaces'20077,196,354'Wavelength-converting light-emitting devices'20077,170,100'Packaging designs for LEDs'20077,166,870'Light emitting devices with improved extraction efficiency'20077,166,871'Light emitting systems'20077,138,666'Light emitting devices'20067,105,861'Electronic device contact structures'20067,098,589'Light emitting devices with high light collimation'20067,083,993'Methods of making multi-layer light emitting devices'20067,084,434'Uniform color phosphor-coated light-emitting diode'20067,074,631'Light emitting device methods'20067,072,547'Waveguide coupling into photonic crystal waveguides'20066,831,302'Light emitting devices with improved extraction efficiency'20046,574,383'Input light coupler using a pattern of dielectric contrast distributed in at least two dimensions'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2017Based in Cambridge, MA, US· patent location history
2004–2017Patents assigned to LUMINUS DEVICES INC (52)· patent assignee history
2010–2012Based in Billerica, MA, US· patent location history
2011–2014Patents assigned to ERCHAK ALEXEI A (15)· patent assignee history
2011–2013Patents assigned to LIDORIKIS ELEFTERIOS (6)· patent assignee history
2011–2013Patents assigned to RAMBUS INT LTD (5)· patent assignee history
2012–2014Patents assigned to LIM MICHAEL (8)· patent assignee history
2015Based in North Easton, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LUMINUS DEVICES INC522004–2017
ERCHAK ALEXEI Aself152011–2014
LIM MICHAEL82012–2014
LIDORIKIS ELEFTERIOS62011–2013
RAMBUS INT LTD52011–2013
Locations
LocationPatentsSpan
Cambridge, Massachusetts, US602003–2017
Billerica, Massachusetts, US22010–2012
North Easton, Massachusetts, US12015