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Inventor

Zongjie Yuan

Inventor
Libertyville, IL, US

Overview

30→
Patents
2012–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 30 as inventor

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

F21Yprimary
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted20%
G02BOptical elements, systems or apparatus18%
F21KNon-electric light sources using luminescence17%
F21VFunctional features or details of lighting devices or systems thereof17%
F21SNon-portable lighting devices7%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems6%
H01LSemiconductor devices4%
H10HInorganic light-emitting semiconductor devices having potential barriers3%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
LOC263%
PatentTitleYear
11,132,576Text recognition method and apparatus, electronic device, and storage medium202110,808,891Luminaires using waveguide bodies and optical elements2020D0878668Bay lighting fixture202010,436,969Optical waveguide and luminaire incorporating same201910,422,944Multi-stage optical waveguide for a luminaire201910,408,986Optical waveguide and lamp including same201910,344,922Luminaires using waveguide bodies and optical elements201910,317,608Luminaires utilizing optical waveguide201910,310,160Luminaire utilizing waveguide201910,288,261Low profile lighting module201910,234,616Simplified low profile module with light guide for pendant, surface mount, wall mount and stand alone luminaires20199,952,372Luminaire utilizing waveguide20189,897,276'Reduced phosphor lighting devices'20189,869,432'Luminaires using waveguide bodies and optical elements'20189,835,317Luminaire utilizing waveguide20179,823,408'Optical waveguide and luminaire incorporating same'20179,773,760'LED packages and luminaires incorporating same'20179,709,725'Luminaire utilizing waveguide'20179,690,029'Optical waveguides and luminaires incorporating same'20179,581,751'Optical waveguide and lamp including same'20179,568,662'Optical waveguide body'20179,464,778'Lighting device utilizing a double fresnel lens'20169,411,086'Optical waveguide assembly and light engine including same'20169,389,367'Optical waveguide and luminaire incorporating same'20169,366,396'Optical waveguide and lamp including same'20169,310,030'Non-uniform diffuser to scatter light into uniform emission pattern'20169,054,019'Low profile lighting module with side emitting LEDs'20159,024,517'LED lamp with remote phosphor and diffuser configuration utilizing red emitters'2015D0654193'LED lamp'2012D0653365'LED lamp'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2019Patents assigned to CREE INC (27)· patent assignee history
2012–2018Patents assigned to TONG TAO (5)· patent assignee history
2012–2018Patents assigned to YUAN ZONGJIE (5)· patent assignee history
2012–2016Patents assigned to KELLER BERND (4)· patent assignee history
2012–2016Based in Santa Barbara, CA, US· patent location history
2015–2020Based in Ventura, CA, US· patent location history
2016–2020Based in Libertyville, IL, US· patent location history
2016–2019Based in Grayslake, IL, US· patent location history
2019–2020Patents assigned to IDEAL IND LIGHTING LLC (6)· patent assignee history
2021Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CREE INC272012–2019
IDEAL IND LIGHTING LLC62019–2020
TONG TAO52012–2018
YUAN ZONGJIEself52012–2018
KELLER BERND42012–2016
Locations
LocationPatentsSpan
Libertyville, Illinois, US122016–2020
Grayslake, Illinois, US92016–2019
Ventura, California, US42015–2020
Santa Barbara, California, US42012–2016
Shanghai, CN12021