P

Inventor

DU YUFENG

CN9 patents
⚠️ This page may combine multiple inventors who share the name “DU YUFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

QUZHI HAIRDRESSING SUPPLIES SHENZHEN CO LTD

3 patents
USD973956SDec 27, 2022

Hair straightener

QUZHI HAIRDRESSING SUPPLIES SHENZHEN CO LTD14 citations83
USD960449SAug 9, 2022

Hair straightening brush

QUZHI HAIRDRESSING SUPPLIES SHENZHEN CO LTD7 citations83
USD960450SAug 9, 2022

Hair straightening brush

QUZHI HAIRDRESSING SUPPLIES SHENZHEN CO LTD6 citations83

DU YUFENG

2 patents
USD804188SDec 5, 2017

Intelligent electric heating hair straightener

DU YUFENG45 citations90
USD889923SJul 14, 2020

Miter spring clamp

DU YUFENG6 citations80

BOE TECHNOLOGY GROUP CO LTD

2 patents
US10654151B2May 19, 2020

Welding fixture and welding method using welding fixture

BOE TECHNOLOGY GROUP CO LTD0 citations37
US10274729B2Apr 30, 2019

Remote control device, remote control product and remote control method

BOE TECHNOLOGY GROUP CO LTD0 citations34

BEIJING BOE OPTOELETRONICS TECH CO LTD

1 patent
US11294229B2Apr 5, 2022

Backlight module and display device

BEIJING BOE OPTOELETRONICS TECH CO LTD0 citations49

BEIJING BOE OPTOELECTRONICS TECH CO LTD

1 patent
US11213251B2Jan 4, 2022

Detection device

BEIJING BOE OPTOELECTRONICS TECH CO LTD0 citations47