国家/地区 中国（7） 欧洲专利局（EPO）（5） 日本（5） 韩国（5） 台湾（5） 美国（5） 世界知识产权组织（5） 西班牙（4）
IPC部 B（7）
IPC大类 B82（7）
IPC小类 B82Y（7） C22F（7） C01B（6）
B21B（5） C22C（5） B32B（3）
C23F（3） B01J（2）
IPC B82Y030/00（7）
发明人 CHIBA G（5） CHIBA Y（5） YOSHIHIRO C（4）
CHIBA YOSHIHIRO（2） TATSUYA Y（2） YAMAJI T（2）
公开年 2012（3） 2013（2）
申请年 2012（5） 
专利权人 JX NIPPON MI.（5） NIPPON MININ.（5） NIPPON MININ.（5） NIPPON MININ.（3）

Preparing graphene composite copper heat-conducting film comprises adding graphene oxide into water, stirring to obtain graphene oxide slurry, adding copper sulfate solution, coating graphene oxide-copper sulfate composite slurry on substrate, heat-treating, sintering composite nano-copper film.

PAN Z, ZHOU M

Preparation of composite heat dissipation material used in e.g. computers, involves dispersing copper and graphene powder and carbon nanotubes into absolute ethanol solution, depositing, annealing, and cooling.

HU X

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

Copper foil for manufacturing graphene, has specified total number of oxide and sulfide having specified diameter with respect to elemental-analysis measurement of surface using scanning electron microscope.

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

Copper foil used for manufacturing graphene, has glossiness or more than preset value, and average grain size more than preset value after being heated in atmosphere containing hydrogen and argon at specific conditions.

CHIBA YOSHIHIRO, CHIBA Y, YOSHIHIRO C, CHIBA G