HT

Hwai Sian Tsai

BL Bbpos Limited: 28 patents #2 of 9Top 25%
Stripe: 16 patents #3 of 307Top 1%
📍 Sha Tin, CN: #13 of 2,424 inventorsTop 1%
Overall (All Time): #63,913 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 26–45 of 45 patents

Patent #TitleCo-InventorsDate
10832243 System and method to protect privacy of personal-identification-number entry on consumer mobile device and computing apparatus Chi Wah Lo, Namson Kwok 2020-11-10
10832252 System and methods to prevent unauthorized usage of card readers Chi Wah Lo 2020-11-10
RE48167 Magnetic stripe reader with card swipe information feedback Chi Wah Lo 2020-08-18
10686313 Power management circuitry in peripheral accessories of audio devices Wing Cheong Chan, Chi Wah Lo 2020-06-16
10521793 System and method to protect privacy of personal-identification-number entry on consumer mobile device and computing apparatus Namson Kwok, Chi Wah Lo 2019-12-31
10499225 System and method for adjusting variable(s) related to near field communications antenna for mobile devices to ensure antenna operation within a defined operating range Peter Choi, Chi Wah Lo 2019-12-03
10318959 System and methods to prevent unauthorized usage of card readers Chi Wah Lo 2019-06-11
10256627 Power management circuitry in peripheral accessories of audio devices Wing Cheong Chan, Chi Wah Lo 2019-04-09
10055738 System and methods to prevent unauthorized usage of card readers Chi Wah Lo 2018-08-21
9793712 Power management circuitry in peripheral accessories of audio devices Wing Cheong Chan, Chi Wah Lo 2017-10-17
9633234 System and method for a secure display module Chi Wah Lo 2017-04-25
9613234 System and method for mounting a magnetic card reader head onto a card reader Chi Wah Lo, Kin Wai Chan 2017-04-04
9489548 Magnetic stripe reader with card swipe information feedback Chi Wah Lo 2016-11-08
9363620 System for controlling audio frequencies of electronic appliances and a method of the same 2016-06-07
9362689 System and method for detecting the ground and microphone input contacts in an audio plug Chi Wah Lo, Ka Leong Tony Tsang 2016-06-07
9264228 System and method for a secure display module Chi Wah Lo 2016-02-16
9129166 Magnetic stripe reader with card swipe information feedback Chi Wah Lo 2015-09-08
8840017 Power management circuitry in peripheral accessories of audio devices Wing Cheong Chan, Chi Wah Lo 2014-09-23
D713396 SIM card adapter for mobile phone Suk Kuen Wong 2014-09-16
8336771 Payment card terminal dongle for communications devices Wing Cheong Chan 2012-12-25