Chan; Wing Cheong

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chan; Wing Cheong.The latest application filed is for "power management circuitry in peripheral accessories of audio devices".

Company Profile

5.8.8

Chan; Wing Cheong - Hong Kong HK

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Power Management Circuitry In Peripheral Accessories Of Audio Devices App 20220131371 - Chan; Wing Cheong ; et al.	2022-04-28
Power management circuitry in peripheral accessories of audio devices Grant 11,251,611 - Chan , et al. February 15, 2	2022-02-15
Power Management Circuitry In Peripheral Accessories Of Audio Devices App 20200303921 - CHAN; Wing Cheong ; et al.	2020-09-24
Power management circuitry in peripheral accessories of audio devices Grant 10,686,313 - Chan , et al.	2020-06-16
Power Management Circuitry In Peripheral Accessories Of Audio Devices App 20190190262 - CHAN; WING CHEONG ; et al.	2019-06-20
Power management circuitry in peripheral accessories of audio devices Grant 10,256,627 - Chan , et al.	2019-04-09
Power Management Circuitry In Peripheral Accessories Of Audio Devices App 20180048147 - CHAN; WING CHEONG ; et al.	2018-02-15
Power management circuitry in peripheral accessories of audio devices Grant 9,793,712 - Chan , et al. October 17, 2	2017-10-17
Power Management Circuitry In Peripheral Accessories Of Audio Devices App 20150001946 - CHAN; WING CHEONG ; et al.	2015-01-01
Power management circuitry in peripheral accessories of audio devices Grant 8,840,017 - Chan , et al. September 23, 2	2014-09-23
Payment card terminal dongle for communications devices Grant 8,336,771 - Tsai , et al. December 25, 2	2012-12-25
Power Management Circuitry In Peripheral Accessories Of Audio Devices App 20120293001 - CHAN; Wing Cheong ; et al.	2012-11-22
Localized charging, load identification and bi-directional communication methods for a planar inductive battery charging system Grant 7,915,858 - Liu , et al. March 29, 2	2011-03-29
Localized Charging, Load Identification And Bi-directional Communication Methods For A Planar Inductive Battery Charging System App 20090108805 - Liu; Xun ; et al.	2009-04-30
Telephone recording system App 20050157854 - Lo, Chi Wah ; et al.	2005-07-21

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