国家/地区 日本（8） 世界知识产权组织（7） 美国（6） 中国（5） 韩国（5） 欧洲专利局（EPO）（4） 台湾（3）
IPC部 C（12）
IPC大类 C01（12）
IPC小类 C01B（12）
IPC C09K011/08（12）
发明人 ISAJI T（2） ISAJI TADAYUKI（2） KAWASAKI T（2）
MASAHIRO U（2） NAOKI O（2） OTANI N（2）
OTANI NAOKI（2） TADAYUKI I（2） TAKAYOSHI K（2）
TETSUKA H（2） TETSUKA HIROYUKI（2） TEZUKA H（2）
UEDA M（2） UEDA MASAHIRO（2） ZHANG L（2）
公开年 2017（4） 2016（3） 2012（2）
申请年 2016（4）  2011（3）  2014（2） 
专利权人 NISSAN CHEM .（2） NISSAN CHEM .（2） TOYOTA CHUO .（2）

Preparation of graphene quantum dot aqueous solution by adding graphite powder to water and active interface agent for high-speed stirring, precipitating, drying, mixing hydroxide and distilled water, and adding double-layer graphene dispersion.

XU B

Nanohybrid containing photocatalyst useful in road facilities including e.g. soundproof membrane, filters and electrodes in optical-based devices, comprises ruthenium oxide nanosheet, graphene nanosheet and optically active quantum dot.

HWANG S J, LEE J M, LIM J H, YUN S S, JO H J

Graphene nanosheet stacked body for aggregate of graphene nanosheet stacked body used for wavelength conversion film and fluorescent probe comprises graphene nanosheets which are included in matrix material.

GOAN K

Production of carbon-based light emitting material e.g. graphene quantum dots, involves mixing and heating raw material comprising ascorbic acid, acid catalyst, and solvent to obtain material emitting light having preset wavelength.

ISAJI TADAYUKI, OTANI NAOKI, MAEDA SHINICHI, UEDA MASAHIRO, KAWASAKI TAKEYOSHI, ISAJI T, OTANI N, MAEDA S, UEDA M, KAWASAKI T, TADAYUKI I, NAOKI O, SHINICHI M, MASAHIRO U, TAKAYOSHI K

Preparation of graphene quantum dots of different oxygen content used in fluorescent material, involves dispersing graphene oxide in peroxide solution, mixing dispersion with lye, purifying to obtain powder, and performing gradient elution.

ZHANG L, ZHANG M

Manufacture of carbon-type luminescent material e.g. graphene quantum dot, involves mixing and heating raw material comprising polycarboxylic acid, acidic catalyst, and solvent.

ISAJI TADAYUKI, OTANI NAOKI, UEDA MASAHIRO, KAWASAKI TAKAYOSHI, ISAJI T, OTANI N, UEDA M, KAWASAKI T, MASAHIRO U, NAOKI O, TADAYUKI I, TAKAYOSHI K

Manufacture of graphene quantum dots from carbon source, involves exposing carbon source chosen from coal, coke, biochar, and/or asphalt to solution containing oxidant, and forming graphene quantum dots.

TOUR J M, METZGER A, YE R, MANN J, TOUR J

Preparation of graphene quantum dots involves adding monolayer graphene oxide to solvent, adding zinc oxide and stabilizing agent, hydrothermally reacting, adding acid, filtering, extracting, and removing extracting agent by evaporation.

ZHANG L, ZHANG M

Graphene structure used as white fluorescent luminescent material, consists of graphene sheet, and graphene quantum dots having armchair-type end surface at edge portion of sheet coated with polyhedral oligomeric silsesquioxane.

HAINO T, SEKIYA A

Manufacturing graphene, comprises growing graphene on a quartz substrate without using catalyst.

CHOI J W, LEE C M