国家/地区 世界知识产权组织（3）
IPC部
IPC大类
IPC小类
IPC
发明人 YANG M（3）
公开年 2022（2）
申请年 2021（2） 
专利权人

Producing polyimide powder used in display, automobile, medical, battery, and aerospace, involves preparing polyamic acid solution, preparing polyimide mixed solution by heating polyamic acid solution, and filtering and drying precipitate present in mixed solution to obtain polyimide powder.

LEE H S, YANG M S, LEE I S, LEE H, YANG M

Micron-level porous sodium ferrous sulfate/carbon composite cathode material, where particles have porous structure and formed by close packing of primary nanoparticles, and primary nanoparticles are tightly covered by amorphous carbon, and particle surface is covered by reduced graphene.

YANG M, YAN Y, ZHANG J, CHEN W

Ultra-surface sensor used e.g. in communication, comprises graphene layer, polyimide layer, perovskite layer, metal micro-resonator structure layer, polyimide substrate layer, and red quartz glass layer arranged sequentially, where metal micro-resonator structure layer has base metal unit.

YAO J, GAO J, LIANG L, YAO H, YANG M, YAN X