Patents/Inventors

Haohao Li

CangzhouCN3 patents

4 Patents

US123986132025
Side Door Bolt-free Ram Blowout Preventer
RONGSHENG MACHINERY MANUFACTURE Ltd. OF HUABEI OILFIELD, HEBEI
0 cites
US123994062025
Display Panel, Display Device
BOE TECHNOLOGY GROUP CO., Ltd.
0 cites
US123139412025
Liquid Crystal Light-control Panel and Display Device
BOE TECHNOLOGY GROUP CO., Ltd.
0 cites
US121471352024
Display Substrate, Display Apparatus, and Load Compensation Method Applied to Display Substrate
Chengdu BOE Optoelectronics Technology Co., Ltd.
0 cites