国家/地区 日本（15） 世界知识产权组织（10） 台湾（8） 中国（7） 欧洲专利局（EPO）（6） 美国（6） 韩国（5） 加拿大（3）
IPC部 C（15）
IPC大类 C01（15） H01（14） B01（4）
C09（3） B82（2） C08（2）
IPC小类 C01B（15）
IPC C01B032/194（15）
发明人 TAMAKI E（13） KAWASAKI M（5） KATO T（3）
HIRAI Y（2） KATASE F（2） KONISHI T（2）
LIU G（2） MANABE K（2） SUN P（2）
TAKEUCHI T（2） WU Z（2） YOSHIHIDE H（2）
公开年 2017（5） 2021（4） 2018（2） 2020（2）
申请年 2020（4）  2016（3）  2017（3）  2021（2） 
专利权人 TORAY IND INC（15）

Positive electrode active material used in lithium ion secondary battery, comprises granule composed of olivine-type phosphate particles containing manganese and graphene particles having phosphate group.

ONOZUKA T, KAWAMURA H

Gas separation membrane element used in gas manufacture, comprises central tube for accumulating permeated gas, and gas separation membrane spirally surrounded by tube and comprising porous support film having arithmetic-mean surface roughness and separation functional layer containing graphene.

TOKUYAMA T, IIZUKA R, YAMADA H

Graphene dispersion used in positive electrode paste for positive electrode for lithium ion battery, contains graphene and polyvinyl alcohol.

KATO T, TAKEUCHI T, KATASE F, TAMAKI E

Graphene dispersion useful in positive electrode paste for lithium-ion batteries, comprises graphene with specific thickness, and solvent with specific solubility.

KATO T, TAKEUCHI T, KATASE F, TAMAKI E, TAKASHI T

Laminated body for electrically-conductive material for use in a battery current collector, comprises graphene coating layer on base material containing metal and/or metallic compound.

KATO T, TAMAKI E

Graphene dispersion liquid useful in positive electrode for secondary battery, comprises graphene and dispersant, where graphene is surface-treated with surface treatment agent containing nitrogen and dispersed in solvent comprising water.

KATASE I, KONISHI T, TAMAKI E

Graphene dispersion used in electrode paste for electrode for secondary battery, and used as conductive additive agent for secondary battery electrode, comprises graphene dispersed in dispersion medium.

KONISHI T, TAMAKI E

Electroconductive particles used for conductive resin, are obtained by coating surface of polymer particles with graphene in preset average coverage ratio.

TAMAKI E, YANG H X

Manufacture of reduced graphene used for e.g. electrode for lithium-ion battery, involves merging graphene oxide dispersion liquid and reducing agent liquid fed from independent flow paths, such that preset pressure is set at junction.

TAMAKI E

Surface-treated graphene used for manufacturing dispersion liquid for forming composite particles for electrode paste, is obtained by adhering aromatic amine compound or its neutralized salt with graphene.

MANABE K, TAMAKI E, KAWASAKI M