国家/地区 中国（8） 日本（5） 欧洲专利局（EPO）（4） 西班牙（4） 韩国（4） 台湾（4） 美国（4） 世界知识产权组织（4）
IPC部 C（9） B（5）
IPC大类 C01（9）
IPC小类 C01B（9）
IPC C22F001/08（9）
发明人 CHIBA Y（5） CHIBA G（4） YOSHIHIRO C（3）
CHIBA YOSHIHIRO（2）
公开年 2013（3） 2012（2） 2021（2）
申请年 2012（4）  2021（2） 
专利权人 JX NIPPON MI.（5） NIPPON MININ.（4） NIPPON MININ.（4） NIPPON MININ.（2）

Method for improving multi-layer graphene coverage rate on copper-based alloy substrate comprises annealing copper base alloy substrate, introducing carbon source to graphene growth after annealing, realizing multi-layer graphene, quickly cooling to room temperature, ending growth.

CHEN Z, XIAO R, YU G, ZHANG Y

Preparing high-orientation and high thermal conductivity graphene/copper composite material used as thermal-conducting reinforcing body for electronic device heat power density, comprises e.g. adding isopropanol into ethanol, ultrasonically processing, and forming highly oriented graphene film.

LI L, ZHANG W, DONG L, HUO W, LI X, CHANG G

Vertical graphene composite heat conducting copper foil comprises copper foil substrate layer adhered with two plane graphene layers at surface and bottom, where surfaces of plane graphene layers have vertical graphene layers.

ZHANG L, YE Q, WANG X, SHEN L

Preparation method for preparing graphene-metal composite material involves stacking graphene-metal composite raw material and sintering graphene-metal composite raw material to produce graphene-metal composite material.

ZHANG J, BAI H, XIONG L, LUO J, CHEN G, JIANG D, HANG C

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 used for graphene manufacture, consists of copper plating layer containing hydrogen in ratio above preset value, and having glossiness above preset value in rolling parallel direction and right angle direction.

CHIBA Y

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 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