Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WC

Wing Cheong Chan — 8 Patents

BLBbpos Limited: 6 patents #3 of 9Top 35%
CKCity University Of Hong Kong: 1 patents #370 of 1,010Top 40%
Stripe: 1 patents #139 of 307Top 50%
Sha Tin, CN: #169 of 2,424 inventorsTop 7%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Wing Cheong Chan has been granted 8 US patents while listed as an inventor at Bbpos Limited. The first was granted in 2011 and the most recent in October 2023. Wing Cheong Chan ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Wing Cheong Chan in Sha Tin, CN.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11804711 Power management circuitry in peripheral accessories of audio devices Hwai Sian Tsai, Chi Wah Lo 2023-10-31
11251611 Power management circuitry in peripheral accessories of audio devices Hwai Sian Tsai, Chi Wah Lo 2022-02-15
10686313 Power management circuitry in peripheral accessories of audio devices Hwai Sian Tsai, Chi Wah Lo 2020-06-16
10256627 Power management circuitry in peripheral accessories of audio devices Hwai Sian Tsai, Chi Wah Lo 2019-04-09
9793712 Power management circuitry in peripheral accessories of audio devices Hwai Sian Tsai, Chi Wah Lo 2017-10-17
8840017 Power management circuitry in peripheral accessories of audio devices Hwai Sian Tsai, Chi Wah Lo 2014-09-23
8336771 Payment card terminal dongle for communications devices Hwai Sian Tsai 2012-12-25
7915858 Localized charging, load identification and bi-directional communication methods for a planar inductive battery charging system Xun Liu, Wing Choi Ho, Ron Shu Yuen Hui 2011-03-29