P

Inventor

DUAN JIANHUA

CN8 patents
⚠️ This page may combine multiple inventors who share the name “DUAN JIANHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DUAN JIANHUA

3 patents
US8878448B2Nov 4, 2014

Circuit and method for driving LED lamp with a dimmer

DUAN JIANHUA4 citations69
USD1060628SFeb 4, 2025

Electric warmer

DUAN JIANHUA1 citations59
US8482943B2Jul 9, 2013

Power transistor driving circuits and methods for switching mode power supplies

DUAN JIANHUA2 citations58

BCD SEMICONDUCTOR MFG LIMITED

1 patent
US10462868B2Oct 29, 2019

Circuit and method for driving LED lamp with a dimmer

BCD SEMICONDUCTOR MFG LIMITED2 citations68

REN XUEGANG

1 patent
US8923021B2Dec 30, 2014

Control circuit and system for switch mode power supply

REN XUEGANG4 citations64

UNIV SOUTH CHINA TECH

1 patent
US12532566B2Jan 20, 2026

Epitaxial structure of nonpolar AlGaN-based deep-ultraviolet (DUV) photoelectric detector and preparation method thereof

UNIV SOUTH CHINA TECH0 citations60

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

NEXPERIA TECH SHANGHAI LTD

1 patent
US12519301B2Jan 6, 2026

Load switch and power system

NEXPERIA TECH SHANGHAI LTD0 citations32