国家/地区 韩国（24） 美国（11）
IPC部 C（12） H（12） B（10）
G（6）
IPC大类 H01（11） B01（6） C01（6）
C02（4） G01（3） B32（2）
G02（2）
IPC小类 C01B（6） B01J（5） C02F（4）
H01L（4） H01M（4） H01B（3）
B32B（2） G01N（2） G02B（2）
IPC B01J020/30（4） C01B031/04（4） C02F001/28（4）
C01B031/02（3） H01M004/90（3） B01J020/28（2）
B01J020/32（2） C02F001/62（2） H01B005/14（2）
H01B013/00（2） H01M004/92（2）
发明人 CHOI J S（24）
公开年 2014（5） 2016（4） 2022（4） 2015（3） 2017（2） 2019（2）
申请年 2014（5）  2016（4）  2012（3）  2018（3）  2021（3）  2013（2）  2020（2） 
专利权人 ELECTRONICS .（10） UNIV KWANGWO.（5） HYUNDAI MOTO.（3） CHOI C G（2）
CHOI J（2） CHOI J S（2） CHUNG K H（2） KIA CORP（2）
KIA MOTORS C.（2） KIM J（2） KIM J T（2） KIM K（2）
KOREA ADVANC.（2） YOUN D H（2） YU Y（2）

Preparing graphene oxide/chitosan adsorption medium useful for adsorbing and removing heavy metals from water, comprises preparing graphene oxide/chitosan mixed solution by mixing graphene oxide aqueous solution and chitosan solution, and freeze-drying.

CHANG Y, CHOI J S, LINGAMDINNE L P, YANG J K, KODURU J R

Producing sponge-type sorbent medium useful in performing sorption removal of organic and oily contaminants, comprises e.g. ultrasonically cleaning, drying sponge, immersing in graphene solution, squeezing and heat-treating.

KODURU J R, CHANG Y, YANG J K, CHOI J S, LIM S H, LINGAMDINNE L P, CHOI Y R

Manufacturing carbon support such as carbon black, acetylene black, carbon nanotubes, black lead, graphene, graphite nanofibers, fullerene, graphite, and ordered mesoporous carbon for fuel cell catalyst, involves obtaining admixture comprising conductive carbon support and organic material.

LEE A R, LEE J W, CHO G H, HAN K I, CHOI J S, YANG J H, HEE C K, LEEJINWOO, LEE A

Preparing sponge-type adsorption medium for treating heavy metal-contaminated water comprises supporting sponge including amine group on surface of carboxylated graphene oxide aqueous solution, and drying coat carboxylated oxide on sponge.

YANG J K, CHANG Y, JANG M, KODURU J R, LINGAMDINNE L P, CHOI Y R, CHOI J S, KIM D S

Manufacturing support for manufacturing catalyst of a fuel cell by preparing a mixture comprising a carbon material and a cerium precursor, and introducing water vapor into the reactor to perform an activation reaction of carbon material.

CHOI J S, HAN K I, YANG J H, CHO G H, HEE C K

Producing gadolinium-graphene oxide complex used in absorbent to remove arsenic compound, mixing gadolinium (III) nitrate hexahydrate and graphene oxide, reacting obtained mixture, washing and drying gadolinium-graphene oxide complex.

KODURU J R, CHOI J S, LINGAMDINNE L P, CHOI Y R, CHANG Y, YANG J K

Manufacturing nitrogen-doped porous graphene involves preparing aqueous solution containing graphene oxide involves etching graphene oxide with etchant to produce porous graphene oxide in which one pore is formed.

CHOI J S, LEE J S, BANG G S, SHIN G H, CHOI S Y

Magnetic separation apparatus for purifying uranium-contaminated groundwater using magnetic graphene oxide, has backwashing unit that supplies cleaning liquid to separation unit for portion of time, when magnetic force is not applied.

CHANG Y, YANG J K, KODURU, LINGAMDINNE, CHOI Y R, CHOI J S

Optical coupler for use in communication field, has graphene light source for radiating graphene and delivering graphene to optical waveguide through combiner, where combiner is fixed on waveguide that is arranged on substrate.

KIM J T, CHOI C G, YU Y J, LEE Y S, CHOI J S, CHOI H K

Graphene or graphite flooring, has plate-shaped base layer formed with first floor material, and hot water pipe inserted in joint, where joint height of first floor material is lower than that of protrusion part of second floor material.

CHOI J S, HAN S U