国家/地区 韩国（18） 美国（11） 世界知识产权组织（4） 欧洲专利局（EPO）（3）
IPC部 C（18）
IPC大类 C01（18）
IPC小类 C01B（18）
IPC C01B031/04（13） C01B031/02（7） B82Y030/00（6）
B82Y040/00（6） H01B001/04（4） B01J035/00（3）
B44C001/22（3） H01L031/042（3） B01J019/08（2）
B01J019/28（2） B01J021/06（2） B01J021/18（2）
B01J035/02（2） B01J037/03（2） B32B009/00（2）
发明人 CHOI W（18）
公开年 2011（4） 2016（4） 2012（2） 2015（2） 2017（2）
申请年 2015（5）  2010（4）  2016（2） 
专利权人 SAMSUNG ELEC.（7） ALLIED RAY T.（3） KOREA INST S.（3） POSTECH ACAD.（3）
CHOI W（2） UNIV SUNGKYU.（2）

Photocatalyst for use as denitrification catalyst for removing nitrate ion, and processing water, comprises titanium dioxide particle comprising titanium dioxide, carbon material located on all or portion of surface of titanium dioxide particle and comprising graphene, reduced graphene oxide.

LEE S, CHOI W, CHOIWEONYONG, BI L S

Mixed solution manufacturing system for preparing mixed solution by mixing graphene oxide has inlet, blower for blowing aqueous solution at constant pressure, and addition unit for adding graphene oxide to aqueous solution as fine particles.

CHOI W

Photocatalytic nanocomposite useful as catalyst for producing hydrogen peroxide, comprises a core-shell capsule comprising a core and a shell formed on core, a semiconductor nanoparticles supported on shell, and graphene oxide.

CHOI W, KIM H, KWON O S, KIM J

Producing anatase titania-reduced graphene oxide composite as e.g. photocatalyst, comprises e.g. dissolving anatase titania precursor in a solvent to prepare precursor solution, and dispersing graphene oxide to prepare colloidal solution.

KIM J H, NAH I W, OH I H, CHUNG K Y, LEE J K, CHOI W, JUNG H G, OH S H

Roll-to-roll graphene manufacturing apparatus has near-infrared heating module that is provided at outer side of transparent window of main chamber to irradiate catalyst substrate with near-infrared rays through transparent window.

CHOI W, KIM J

Device useful for producing graphene by roll-to-roll method, comprises e.g. a main chamber provided with at least one translucent window which is sealed at outside, and a supply roll for supplying catalyst substrate into the main chamber.

CHOI W, KIM J

Graphene manufacturing device comprises main chamber which includes one or more light transmitting window on one side of main chamber, and supply chamber in which supply roll is utilized for supplying catalyst substrate to main chamber.

CHOI W, KIM J

Method of using chemical reaction transparency of graphene for electrode for battery, involves forming laminating catalyst and graphene on one layer, and forming layer containing catalyst and graphene on other layer including catalyst.

CHOI W J, LEE J O, CHANG H J, KONG K J, AN K S, WON J C, HYUN J C, SEUNG H J, SI E C, CHOI W, LEE J, CHANG H, KONG K, AN K, CHANGHYUNJOO, HUN J S, EUN C S

Preparation of carbon sheets used in e.g. electronic devices, involves growing graphene nanopowder comprised in graphene seed layer into carbon sheet comprising single layered graphene sheet of preset length and graphite sheet.

LEE J, PARK Y, CHOI W, LEE J K, PARK Y S, CHOI W K

Manufacturing photocatalyst composite, useful for producing hydrogen peroxide, comprises modifying obtained titanium dioxide supported reduced graphene oxide on a surface with phosphate, and introducing cobalt precursor to obtain composite.

CHOI W, MOON G H