国家/地区 中国（5） 日本（5） 欧洲专利局（EPO）（4） 韩国（4） 台湾（4） 美国（4） 世界知识产权组织（4） 西班牙（3）
IPC部 C（7）
IPC大类 C22（7）
IPC小类 C22C（7）
IPC C22C009/00（7）
发明人 CHIBA Y（5） CHIBA G（3） CHIBA YOSHIHIRO（2）
YOSHIHIRO C（2）
公开年 2012（2） 2013（2）
申请年 2012（3）  2021（2） 
专利权人 JX NIPPON MI.（5） NIPPON MININ.（4） NIPPON MININ.（3）

Method for Preparing oxidation resistant copper-based surface enhanced Raman scattering substrate, involves adding alloy strip into hydrochloric acid ethanol solution to remove alloy to obtain nano porous copper, carrying out acid washing on nano porous copper, and washing oxide layer off.

LIU J, NING J, ZHANG L, CHEN C, PAN D

Preparation method of nitrogen-doped graphene metal material used in metal corrosion protection involves placing raw materials, providing containing cavity and growth cavity, and placing metal growth substrate in growth cavity.

WU Q, MA Y

Rolled copper foil used for manufacture of graphene for e.g. mercury-free fluorescent lamp, has specified ratio of maximum value for detection strengths occurring under specified conditions based on specific direct pole figure.

CHIBA YOSHIHIRO, CHIBA Y

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

CHIBA Y, ONO T, CHIBA G

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