HAU KING KUEN

Overview

About

HAU KING KUEN has a total of 17 patent applications. It increased the IP activity by 33.0%. Its first patent ever was published in 1997. It filed its patents most often in WIPO (World Intellectual Property Organization), China and United States. Its main competitors in its focus markets electrical machinery and energy, environmental technology and basic communication technologies are GSTEK GREEN SOLUTION TECH CO, GREEN SOLUTION TECH CO LTD and CHELTENHAM INDUCTION HEATING L.

Patent filings in countries

#	Country	Total Patents
#1	WIPO (World Intellectual Property Organization)	6
#2	China	5
#3	United States	4
#4	United Kingdom	1
#5	Hong Kong	1

#	Industry
#1	Electrical machinery and energy
#2	Environmental technology
#3	Basic communication technologies
#4	Control
#5	Computer technology

#	Technology
#1	Climate change mitigation in buildings
#2	Special electric heating or lighting
#3	AC and DC conversion devices
#4	Systems for regulating electrical variables
#5	Resonators
#6	Pulse technique
#7	Circuits for supplying electric power
#8	Analogue computers
#9	Electric motor controls
#10	Hybrid computing arrangements

#	Name	Total Patents
#1	Hau King Kuen	17

Publication	Filing date	Title
WO2019229590A1	2019-05-22	Universal dimmer
US2020195162A1	2018-06-04	Ac-to-dc conversion
WO2017168346A1	2017-03-29	Power control by direct drive
CN107409448A	2015-07-28	Tangent brightness adjustment control and protection
CN106489303A	2015-01-17	Phase cut power controls
CN104919469A	2013-09-03	Voltage controlled impedance synthesizer
WO2014020572A1	2013-08-02	Digital voltage controller
GB9708625D0	1997-04-15	Digital controlled voltage compensator