国家/地区 世界知识产权组织（12）
IPC部 B（12）
IPC大类 C22（12） B21（8） C01（7）
B82（6） B22（5） C23（5）
B32（4） C25（3） H01（3）
B01（2） H05（2）
IPC小类 C22C（12） B21B（7） C01B（7）
C22F（7） B22F（5） B82Y（5）
B32B（4） B21C（3） C23F（3）
H01B（3） B01J（2） C23C（2）
C25D（2） H05K（2）
IPC C22C009/00（12）
发明人 CHIBA Y（6） CHIBA G（5） YOSHIHIRO C（4）
CHIBA YOSHIHIRO（3） TATSUYA Y（2） YAMAJI T（2）
公开年 2012（3） 2022（3） 2013（2） 2016（2）
申请年 2012（5）  2021（3） 
专利权人 JX NIPPON MI.（6） NIPPON MININ.（6） NIPPON MININ.（5） NIPPON MININ.（3）

Preparation of rare earth modified graphene copper based composite material used for contact line for high speed rail, involves ball milling graphite, organic amine and alcohol substance, centrifuging and separating product, and dissolving copper salt in alcohol substance.

WANG X, HUANG W, XUE D, WONG W

Preparing copper-chromium-zirconium alloy layered belt material with composite deformation of graphene/copper, involves subjecting bulk copper-chromium-zirconium alloy to solid solution treatment, carrying out room temperature iso-channel extruding, low temperature rolling, stacking and vacuum-aging.

WANG D, AN X, DU Q, WEI K, YAO L, WEI W

Sheet-shaped radiating fin for use in electronic device e.g. folding mobile phone, has copper-graphene composite powder mixed in graphene powder and composed of graphene-copper powder and graphene powder, where fin comprises graphene powder.

DENG H, YANG Z

Metal matrix nanocomposite used as e.g. load-bearing element, comprises metal or metal alloy containing gold and silver as matrix material, and multiple graphene sheet chosen from pristine graphene material or non-pristine graphene material.

ZHAMU A, LIN Y, JANG B Z

Treating method of material, involves drying mixture to dry powder, thus forming treated material after mixing solution which excludes silver, iron, pyrite, and graphene into additional mixture if brass and copper granules.

BOURQUE J M

Graphite-enhanced composite copper-based contact material used in manufacture of e.g. switches, comprises oxide powder, carbide powder and graphene-coated copper (alloy) powder containing tin oxide and copper oxide.

LIU L, WENG W, LIN W

Rolled copper foil for manufacturing graphene, has specified glossiness in both direction parallel to rolling direction and direction perpendicular to rolling direction, and average crystal grain size.

CHIBA YOSHIHIRO, CHIBA Y

Copper foil used for manufacturing graphene, comprises copper with specific purity.

CHIBA Y, ONO T, CHIBA G

Copper foil for manufacturing graphene, has specified arithmetic mean roughness in rolling parallel direction and rolling perpendicular direction.

CHIBA YOSHIHIRO, CHIBA Y, CHIBA G, YOSHIHIRO C

Copper foil for manufacturing graphene, has specified sum total of oxides and sulfides having diameter of below preset value before heating under hydrogen and argon-containing atmosphere.

CHIBA Y, YAMAJI T, YOSHIHIRO C, TATSUYA Y, CHIBA G