国家/地区 日本（7） 台湾（5） 世界知识产权组织（3） 中国（2） 韩国（2） 美国（2）
IPC部 C（7）
IPC大类 C01（7）
IPC小类 C01B（7） H01M（6） B82Y（3）
B32B（2） C25D（2）
IPC H01M004/13（5） H01M004/62（5） C01B032/194（4）
B82Y030/00（3） C01B031/02（3） C01B031/04（3）
C01B032/182（3） C01B032/198（3） H01M004/133（3）
H01M004/139（3） H01M004/36（3） H01M004/583（3）
B82Y040/00（2） C01B032/20（2） C01B033/02（2）
发明人 TAKEUCHI T（7）
公开年 2012（2） 2021（2）
申请年 2012（3）  2020（2） 
专利权人 SEMICONDUCTO.（3） TORAY IND IN.（3）

Graphene dispersion used for lithium-ion battery positive electrode, contains graphene, (meth) acrylic polymer having hydroxy group, and dispersion medium.

KATO T, TAKEUCHI T, KATASE I, TAMAKI E

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

Method for measuring area of graphene, involves obtaining resonance curve by cavity resonator perturbation method for measurement object, and obtaining area of graphene film of measurement object based on correspondence relationship.

UENO Y, OGAWA Y, SEKI S, TSUTSUI Y, SAKURAI T, SAKAMAKI D, TAKEUCHI T, NISHIYAMA S, CHOI U J

Manufacturing method for graphene-coated object, involves heating graphene oxide deposited on uneven surface of object in vacuum or reducing atmosphere to reduce graphene oxide to graphene, after immersing object in graphene oxide solution.

OGUNI T, OSADA T, TAKEUCHI T, KOKUNI T, NAGATA T

Lithium ion secondary battery used for e.g. electrical machinery, has graphene layers which are provided with concavo-convex portion.

TEPEY O, TAKESHI O, TOSHIHIKO T, KUNIHARU N, OGUNI T, NAGATA T, TAKEUCHI T, NOMOTO K, OSADA T

Object useful as electrode of lithium-ion secondary battery, in electric device e.g. mobile phones, lighting devices and personal computers, and to manufacture graphene, comprises uneven surface and graphene layer over the uneven surface.

OGUNI T, OSADA T, TAKEUCHI T, NOMOTO K, KOKUNI T, NAGATA T