国家/地区 韩国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 LEE D（2）
公开年 2020（2）
申请年
专利权人

Material for waterproofing bridge surface or building using nanofiber tissue, has graphene fiber composite coated with nanocellulose, and waterproof upper resin layer formed on upper surface of nanofiber tissue for waterproofing.

HAM B, LEE D

Diaphragm for e.g. speaker for electronic apparatus, has graphene-containing layer including graphene nanoparticles with average particle size of 10 nanometer, where graphene-containing layer is arranged on surface of auxiliary layer.

KIM S, SHIN H, SEOL M, LEE D, SHIN H J, UK L D