国家/地区 韩国（3）
IPC部 C（2） E（2）
IPC大类 E04（2）
IPC小类 E04C（2）
IPC
发明人 HAN K（4） HAN S（2）
公开年 2021（2）
申请年 2020（2） 
专利权人 HAN K（4）

Sandwich panel comprises core material comprising insulating material comprising material e.g. polystyrene and polyurethane, plate components made of phenolic polymer or phenolic copolymer resin, scratch grooves, and adhesive layer.

HAN S, HAN K

Wear resistant micro-current generating device for use during e.g. skin beauty treatment, has current generator accommodated in inner side of body to absorb moisture introduced through inlet hole to emit current with tourmaline mixture.

HAN K

Anticorrosive and heat-insulating coating comprises e.g. purified water, film-forming auxiliary agent, preservative, antifoaming agent, porous powdered quartz, heavy calcium carbonate, styrene-acrylic emulsion, talc, dispersant and graphene.

HAN K

Bead method type two insulation beads for flame-retardant insulation board comprises e.g. foamed particles containing carbon-based material and having average radius, and adhesive layer formed by coating first adhesive.

HAN K, HAN S