Beijing
China
6
2023-02-09
The entities that hold a legal rights for patent applications filed by inventor Li Dongwei:
Dongwei Li from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method utilizing cold welding to prepare grain boundaries having different included angles
#2 | 2020-01-30Frame component
#3 | 2019-11-21Device for inspecting mask plate, method for inspecting mask plate, and corresponding method for controlling light sources
#4 | 2018-07-26Mask assembly and method for manufacturing the same and display device
#5 | 2018-03-29OLED PIXEL ARRAY, METHOD FOR PREPARING OLED PIXEL ARRAY, OLED DISPLAY PANEL AND DISPLAY APPARATUS
#6 | 2017-07-06Alignment mark structure, mask, substrate and alignment method
1925238 ⎘