国家/地区 美国（10） 日本（8） 欧洲专利局（EPO）（6） 韩国（6） 世界知识产权组织（6） 中国（5） 澳大利亚（3） 西班牙（3） 英国（3） 印度（3） 新加坡（3） 加拿大（2） 香港（2） 以色列（2） 墨西哥（2） 马来西亚（2） 波兰（2） 台湾（2） 越南（2） 南非（2）
IPC部 C（11） B（8） H（6）
IPC大类 C01（11）
IPC小类 C01B（11）
IPC C01B031/02（11）
发明人 HASEGAWA S（3） HASEGAWA SHOJI（3） KAMIYA N（3）
KAMIYA NAGISA（3） HU N（2） NAGISA K（2）
QI Y（2） SHEN Y（2） SHOJI H（2）
ZHANG Q（2）
公开年 2015（11）
申请年 2014（6）  2013（4） 
专利权人 GRAPHENE PLA.（3） GRAPHENE PLA.（2） XEROX CORP（2）

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

New non-covalent modified carbon structure e.g. carbon nanotubes, graphene and graphene nanoplatelets used in manufacture of carbon structure/polymer complex composite.

JUNG Y, YOO H J, KIM J, KIM J S, BYEON C, JUNG Y G, BYEON C S, LIU H

Manufacture of graphene powder used for, e.g. electronic components, involves cleaving raw material containing graphite by jet stream of gas at specific speed, and micronizing.

HASEGAWA SHOJI, KAMIYA NAGISA, HASEGAWA S, KAMIYA N

Fluoropolymer composition for forming composite layer used for articles, comprises liquid continuous phase, and composite particles dispersed in liquid continuous phase and containing fluorosilane-treated graphene-comprising particles.

ZHANG Q, QI Y, DOOLEY B, HU N

Making a coating dispersion, used to make surface layer, comprises e.g. mixing graphene particles, fluorosilane coupling agent and first solvent, concentrating obtained first dispersion, and mixing it with fluoropolymer particle dispersion.

ZHANG Q, QI Y, GARDNER S J, HU N

Synthesizing reduced graphene oxide on a substrate from seedlac, comprises preparing the seedlac solution in alcohol having specified carbons, dipping the substrate into the solution, and heating the substrate which is a metallic sheet.

SHYAM K C, MANISH K B, TAPAN K R, SUMITESH D, RANJAN K S, YASHABANTA N S, ASHIT K P, VIKAS C S, CHOUDHARY S K, BHADU M K, ROUT T K, DAS S, SAHU R K, SINGHBABU Y N, PRAMANICK A K, SRIVASTAVA V C

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

Usage of cellulosic polymer for preparing graphene ink composition for forming composite, involves concentrating exfoliated graphene by contacting exfoliated graphene medium with aqueous medium in graphene and cellulosic polymer.

HERSAM M C, LIANG Y T, SECOR E B, PRABHUMIRASHI P L, PUNTAMBEKAR K P, GEIER M L

Coated article comprises a low temperature component and a graphene coating formed from applying the graphene derivative over the low temperature component.

KALAGA M K, BHATTACHARYYA A, DEVI R M, SCHAEFFER J C, PARAKALA P, PABLA S S, SHEFFIELD J C, PALAKARA P, PABRA S S, CARAGA M K, DEVIE R M

Solution, useful for a coating ink, which is useful in oxygen and moisture permeation prevention materials, antistatic materials and electromagnetic shielding materials, comprises reduced graphene oxide powder and a reducing agent.

AHN S I, CHOI K C, KIM K J