Inventor

XU SIYUAN

CN7 patents

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

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

REN XUEGANG

1 patent

US8923021B2Dec 30, 2014

Control circuit and system for switch mode power supply

REN XUEGANG4 citations64

MORNINGCORE TECH CO LTD

1 patent

US11748188B2Sep 5, 2023

Secure communication apparatus and method

MORNINGCORE TECH CO LTD1 citations51

ZHU YAJIANG

1 patent

US8964415B2Feb 24, 2015

Circuits and methods for increasing power factor of switch mode power supply

ZHU YAJIANG1 citations50

SHANGHAI SIM-BCD SEMICONDUCTOR MFG CO LTD

1 patent

US9431895B2Aug 30, 2016

High power-factor control circuit and power supply

SHANGHAI SIM-BCD SEMICONDUCTOR MFG CO LTD1 citations49

JONES LANG LASALLE IP INC

1 patent

US12386826B1Aug 12, 2025

Methods for intelligently generating a search result based on a significance of influence of one or more factors on a dominant feature and devices thereof

JONES LANG LASALLE IP INC0 citations43