Inventor

ZHANG CONGFENG

CN2 patents

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

BEL POWER HANGZHOU CO LTD

1 patent

US7791903B2Sep 7, 2010

DC-DC flyback converter having a synchronous rectification self-driven circuit

BEL POWER HANGZHOU CO LTD95 citations93

HUA GUICHAO

1 patent

US8454185B2Jun 4, 2013

Hollow, liquid cooling and strip-shaped LED lamp

HUA GUICHAO10 citations77