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Inventor

Warren P. Pumyea

Inventor
Gardner, MA, US

Overview

4→
Patents
2011–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus22%
H10HInorganic light-emitting semiconductor devices having potential barriers22%
B82YSpecific uses or applications of nanostructures11%
F21KNon-electric light sources using luminescence11%
H10DInorganic electric semiconductor devices11%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
10,222,532Light mixing chamber for use with light guide plate20199,851,497Light mixing chamber for use with color converting material and light guide plate and assembly20178,643,266'Light-emitting device including independently electrically addressable sections'20147,993,940'Component attach methods and related device structures'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2014Patents assigned to LUMINUS DEVICES INC (2)· patent assignee history
2011–2017Based in Gardner, MA, US· patent location history
2014Patents assigned to ERCHAK ALEXEI A (1)· patent assignee history
2014Patents assigned to LIM MICHAEL (1)· patent assignee history
2014Patents assigned to LU HONG (1)· patent assignee history
2017–2019Patents assigned to SAMSUNG ELECTRONICS CO LTD (2)· patent assignee history
2019Based in Stoneham, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LUMINUS DEVICES INC22011–2014
SAMSUNG ELECTRONICS CO LTD22017–2019
ERCHAK ALEXEI A12014
LIM MICHAEL12014
LU HONG12014
Locations
LocationPatentsSpan
Gardner, Massachusetts, US32011–2017
Stoneham, Massachusetts, US12019