JD

John Dai

SB Signify Holding B.V.: 2 patents #55 of 365Top 20%
Overall (2022): #145,899 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11425807 LED lighting circuit and a lighting device comprising the same Zhi Quan Chen, Liang Shi, Kelvin Wang 2022-08-23
11375594 Tapped linear driver and driving method Shan Wang, Kelvin Wang, Liang Shi, Zhi Quan Chen 2022-06-28