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Inventor

Wai Kwan Chan

Inventor
Hong Kong, CN

Overview

39→
Patents
1992–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 39 as inventor

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

LOC26primary
LOC2625%
F21VFunctional features or details of lighting devices or systems thereof17%
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 emitted17%
F21KNon-electric light sources using luminescence12%
F21SNon-portable lighting devices9%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%
A61NElectrotherapy3%
H05BElectric heating3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
10,436,432Aluminum high bay light fixture having plurality of housings dissipating heat from light emitting elements201910,412,809Lighting device including solid state emitters with adjustable control201910,321,537Lighting device including solid state emitters with adjustable control20199,900,957'Lighting device including solid state emitters with adjustable control'20189,464,801'Lighting device with one or more removable heat sink elements'20169,458,999'Lighting devices comprising solid state light emitters'20169,285,103'Light engines for lighting devices'20169,068,719'Light engines for lighting devices'2015D0721845'Lamp'20158,803,414'Lighting device'20148,777,449'Lighting devices comprising solid state light emitters'2014D0704371'Lighting device'2014D0695441'Lamp'20138,602,579'Lighting devices including thermally conductive housings and related structures'20138,476,812'Solid state lighting device with improved heatsink'2013D0673697'Lighting unit'2013D0673322'Light engine for a lighting device'2012D0672899'Lighting device'20128,057,070'Self-ballasted solid state lighting devices'20118,012,886'Leadframe treatment for enhancing adhesion of encapsulant thereto'2011D0638160'Lighting device'2011D0636921'Lighting device'2011D0633099'Light engine for a lighting device'20117,852,198'RF tag'2010D0601739'Lighting device'2009D0600393'Lighting device'2009D0586942'Lighting device'2009D0581082'Lighting device'2008D0581083'Lighting device'2008D0573294'Lighting device'2008D0571497'Lighting device'2008D0571039'Lighting device'2008D0571038'Lighting device'2008D0570538'Lighting device'2008D0570539'Lighting device'2008D0570537'Lighting device'20087,329,617'Coating for enhancing adhesion of molding compound to semiconductor devices'20087,125,750'Leadframe with enhanced encapsulation adhesion'2006D0328242'Combined anchor and clip'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006Based in Tin Shui Wai, HK· patent location history
2008–2009Patents assigned to CREE LED LIGHTING SOLUTIONS (12)· patent assignee history
2008–2016Based in Hong Kong, CN· patent location history
2008–2019Based in Tai Po, HK· patent location history
2008Based in New Territories, HK· patent location history
2010Based in San Diego, CA, US· patent location history
2011–2019Patents assigned to CREE INC (19)· patent assignee history
2011–2016Patents assigned to CHAN WAI KWAN (11)· patent assignee history
2011–2016Patents assigned to VAN DE VEN ANTONY PAUL (11)· patent assignee history
2013–2019Patents assigned to CREE HONG KONG LTD (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CREE INC192011–2019
CREE LED LIGHTING SOLUTIONS122008–2009
CHAN WAI KWANself112011–2016
VAN DE VEN ANTONY PAUL112011–2016
CREE HONG KONG LTD32013–2019
Locations
LocationPatentsSpan
Hong Kong, CN242008–2016
Tai Po, HK102008–2019
New Territories, HK22008
San Diego, California, US12010
Tin Shui Wai, HK12006