国家/地区 日本（7） 美国（7） 世界知识产权组织（7） 中国（6） 欧洲专利局（EPO）（6） 韩国（6） 台湾（6） 西班牙（4）
IPC部 B（8）
IPC大类 C01（8）
IPC小类 C01B（8）
IPC C01B031/02（8）
发明人 CHIBA Y（6） CHIBA G（5） YOSHIHIRO C（4）
CHIBA YOSHIHIRO（2） TATSUYA Y（2） YAMAJI T（2）
公开年 2012（4） 2013（3）
申请年 2012（8）
专利权人 JX NIPPON MI.（6） NIPPON MININ.（5） NIPPON MININ.（5） NIPPON MININ.（3）

Rolled copper foil used for manufacture of graphene used for formation of graphene sheet used for e.g. conductive thin film of display element, has preset detection strength ratio in positive pole, under specified conditions.

CHIBA Y

Forming metal-alloy graphene nanocomposite, used as electrocatalyst in fuel cell applications, comprises e.g. forming conducting polymer layer on surface of graphene substrate, and pyrolyzing layer to form nitrogen-doped graphene substrate.

SUNDARA R, PARAMBATH V B, NAGAR R, NATARAJAN R, VINAYAN B P

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

Synthesizing graphene comprises refluxing reaction mixture of solvent e.g. water and carbonaceous material promoting polycyclic aromatic hydrocarbon formation, collecting and directing obtained vapors to substrate and recovering graphene.

SHANKMAN R S, HANKMAN R S

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