国家/地区 日本（8） 美国（8） 世界知识产权组织（8） 中国（7） 欧洲专利局（EPO）（7） 台湾（6） 韩国（4） 加拿大（3） 英国（3） 澳大利亚（2） 西班牙（2） 香港（2） 以色列（2） 印度（2） 墨西哥（2） 马来西亚（2） 波兰（2） 新加坡（2） 越南（2） 南非（2）
IPC部 B（8）
IPC大类 C01（8）
IPC小类 C01B（8）
IPC C01B031/04（8）
发明人 HASEGAWA S（3） HASEGAWA SHOJI（3） KAMIYA N（3）
KAMIYA NAGISA（3） KAWASAKI M（3） TAMAKI E（3）
HIRAI Y（2） NAGISA K（2） SHEN Y（2）
SHOJI H（2） YOSHIHIDE H（2）
公开年 2015（5） 2017（3）
申请年 2014（3）  2016（3）  2015（2） 
专利权人 GRAPHENE PLA.（3） TORAY IND IN.（3） GRAPHENE PLA.（2）

Graphene dispersion liquid used for manufacturing composite particles, is obtained by dispersing graphene having preset ratio of median diameter with respect average value of size along plane direction in organic solvent.

HIRAI Y, TAMAKI E, KAWASAKI M, YOSHIHIDE H

Graphene dispersion liquid used for manufacturing active material composite particles, is obtained by dispersing graphene in solvent comprising specified amount of N-methylpyrrolidone, and has preset weight absorptivity coefficient.

MANABE K, TAMAKI E, KAWASAKI M

Graphene/organic solvent dispersion liquid used for manufacturing electrode, comprises graphene having preset difference between moisture content as measured by Karl Fisher method under specified conditions dispersed in organic solvent.

YANG H, TAMAKI E, KAWASAKI M, HIRAI Y, MIYAZONO K, YOSHIHIDE H

Preparation of sulfonated graphene used for e.g. transparent electroconductive electrode and thermal conductive material, involves contacting reaction medium containing oxidative sulfonating agent with organic material, and heating.

HAO J, JIANG Y, LI J

Graphite-based carbon material used as graphene precursor for preparing graphene dispersion, comprises rhombohedral graphite layer and hexagonal graphite layer, and has specified rate calculated based on X-ray diffraction method.

HASEGAWA S, KAMIYA N, HASEGAWA SHOJI, KAMIYA NAGISA, SHOJI H, NAGISA K, SHEN Y

Production of aqueous dispersion of few-layer graphene nanosheets used for coated article, involves mixing graphite particles with perfluorosulfonate ionomer in aqueous liquid, and arranging ionomer as thin and continuous layer.

JULIUS D, ZIN M, DIVIGALPITIYA R, KORBA G A, KIM M

Graphene composition for graphene molding comprises organic compound, graphene with flakes, and dispersing agent.

HASEGAWA SHOJI, KAMIYA NAGISA, HASEGAWA S, KAMIYA N

Graphite-type carbon raw material used as graphene precursor, has rhombohedral system graphite layer and hexagonal system graphite layer in ratio more than preset value, as measured using peak intensities specific planes of layers.

HASEGAWA S, KAMIYA N, SHOJI H, NAGISA K, HASEGAWA SHOJI, KAMIYA NAGISA, SHEN Y