Patents/Inventors

Jianfeng Yao

BaojiCN8 patents

6 Patents

US125712872026
Wellhead Automatic Positioning Method and System of Plugging and Perforating Operation Machine
BAOJI SAFE PETROLEUM MACHINERY CO., Ltd.
0 cites
US125039192025
Integrated Plugging and Perforating Operation System
BAOJI SAFE PETROLEUM MACHINERY CO., Ltd.
0 cites
US117961552023
Backlight Assembly and Display Device
BOE TECHNOLOGY GROUP CO., Ltd.
0 cites
US117622352023
Backlight Module and Display Device
BOE TECHNOLOGY GROUP CO., Ltd.
0 cites
US116356562023
Backlight Module and Display Apparatus
BOE TECHNOLOGY GROUP CO., Ltd.
0 cites
US116209322023
Displaying Device and Driving Method Thereof
BOE TECHNOLOGY GROUP CO., Ltd.
0 cites