Inventor

DU HONGYUE

CN4 patents

⚠️ This page may combine multiple inventors who share the name “DU HONGYUE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BCD SEMICONDUCTOR MFG LTD

2 patents

US8344656B2Jan 1, 2013

Methods and systems for LED driver having constant output current

BCD SEMICONDUCTOR MFG LTD8 citations79

US9641074B2May 2, 2017

Current control for DC-DC converter

BCD SEMICONDUCTOR MFG LTD0 citations40

SHANGHAI SINCERETEK MICROELECTRONICS TECH CO LTD

2 patents

US11271423B2Mar 8, 2022

Circuit and method for controlling charging of emergency lighting luminaires by a switch

SHANGHAI SINCERETEK MICROELECTRONICS TECH CO LTD0 citations42

US11245283B2Feb 8, 2022

Circuit and method for controlling brightness of emergency lighting luminaires by a switch

SHANGHAI SINCERETEK MICROELECTRONICS TECH CO LTD0 citations42