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Hyun-Kyung Sung
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Yuseong-gu, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Catalyst for mass production of multi-wall carbon nanotubes
Patent number
11,524,277
Issue date
Dec 13, 2022
Korea Kumho Petrochemical Co., Ltd.
Sang Hyo Ryu
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for manufacturing multi-wall carbon nanotubes using continuo...
Patent number
11,117,803
Issue date
Sep 14, 2021
Korea Kumho Petrochemical Co., Ltd.
Sang Hyo Ryu
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Conductive resin composition and plastic molded product using the same
Patent number
10,290,388
Issue date
May 14, 2019
Korea Kumho Petrochemical Co., Ltd.
Dong Hoon Oh
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Process for preparing catalyst composition for the synthesis of car...
Patent number
9,006,132
Issue date
Apr 14, 2015
Korea Kumho Petrochemical Co., Ltd.
Sang-Hyo Ryu
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Catalyst for preparing carbon nanotubes by controlling its apparent...
Patent number
8,398,894
Issue date
Mar 19, 2013
Korea Kumho Petrochemical Co., Ltd.
Namsun Choi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Catalyst composition for preparing carbon nanotube
Patent number
8,202,818
Issue date
Jun 19, 2012
Korea Kumho Petrochemical Co., Ltd.
Hyun-Kyung Sung
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Catalyst for preparing carbon nanotube comprising multi-component s...
Patent number
8,137,591
Issue date
Mar 20, 2012
Korea Kumho Petrochemical Co., Ltd.
Dong Hwan Kim
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Catalyst composition for the synthesis of thin multi-walled carbon...
Patent number
8,048,821
Issue date
Nov 1, 2011
Korea Kumho Petrochemical Co., Ltd.
Sang-Hyo Ryu
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method of preparing cyclic olefin copolymer having controlled gel c...
Patent number
7,468,417
Issue date
Dec 23, 2008
Korea Kumho Petrochemical Co., Ltd.
Youngchan Jang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of grouping single cells of power sources to build optimal p...
Patent number
7,095,237
Issue date
Aug 22, 2006
Korea Kumho Petrochemical Co., Ltd.
Jee-Hwan Jang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for preparing homo-and co-polymers of cyclic olefin compound...
Patent number
7,091,290
Issue date
Aug 15, 2006
Korea Kumho Petrochemical Co., Ltd.
Young Chan Jang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for preparing a homo-and co-polymers by polymerization of cy...
Patent number
6,998,450
Issue date
Feb 14, 2006
Korea Kumho Petrochemical Co., Ltd.
Young Chan Jang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for preparing homo-and co-polymers of cyclic olefin compounds
Patent number
6,969,751
Issue date
Nov 29, 2005
Korea Kumho Petrochemical Co., Ltd.
Young Chan Jang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for determining optimal degree of vulcanization and optimal...
Patent number
6,924,652
Issue date
Aug 2, 2005
Korea Kumho Petrochemical Co., Ltd.
Jee-Hwan Jang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for grouping unit cells using pattern matching technology of...
Patent number
6,674,287
Issue date
Jan 6, 2004
Korea Kumho Petrochemical Co. Ltd.
Jee-Hwan Jang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode including transition metal/matrix polymer composition and a...
Patent number
6,620,547
Issue date
Sep 16, 2003
Korea Kumho Petrochemical Co., Ltd.
Hyun Kyung Sung
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Sulfurated hydrocarbon materials having high capacity and secondary...
Patent number
6,335,118
Issue date
Jan 1, 2002
Korea Kumho Petrochemical Co., Ltd.
Hyun Kyung Sung
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High capacity composite electrode and secondary cell therefrom
Patent number
6,090,504
Issue date
Jul 18, 2000
Korea Kumho Petrochemical Co., Ltd.
Hyun Kyung Sung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Composite electrode and secondary battery therefrom
Patent number
6,057,056
Issue date
May 2, 2000
Korea Kumho Petrochemical Co., Ltd.
Hyun Jung Kim
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING MULTI-WALL CARBON NANOTUBES USING CONTINUO...
Publication number
20200231443
Publication date
Jul 23, 2020
KOREA KUMHO PETROCHEMICAL CO., LTD.
Sang Hyo RYU
B82 - NANO-TECHNOLOGY
Information
Patent Application
CATALYST FOR MASS PRODUCTION OF MULTI-WALL CARBON NANOTUBES
Publication number
20200078772
Publication date
Mar 12, 2020
KOREA KUMHO PETROCHEMICAL CO., LTD.
Sang Hyo RYU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CONDUCTIVE RESIN COMPOSITION AND PLASTIC MOLDED PRODUCT USING THE SAME
Publication number
20170243669
Publication date
Aug 24, 2017
KOREA KUMHO PETROCHEMICAL CO., LTD.
Dong Hoon OH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Process For Preparing Catalyst Composition For The Synthesis Of Car...
Publication number
20120040186
Publication date
Feb 16, 2012
KOREA KUMHO PETROCHEMICAL CO., LTD.
Sang-Hyo Ryu
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
CATALYST FOR PREPARING CARBON NANOTUBES BY CONTROLLING ITS APPARENT...
Publication number
20110006266
Publication date
Jan 13, 2011
KOREA KUMHO PETROCHEMICAL CO., LTD.
Namsun CHOI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYST FOR PREPARING CARBON NANOTUBE COMPRISING MULTI-COMPONENT S...
Publication number
20100230642
Publication date
Sep 16, 2010
Dong Hwan KIM
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CATALYST COMPOSITION FOR THE SYNTHESIS OF THIN MULTI-WALLED CARBON...
Publication number
20100207053
Publication date
Aug 19, 2010
Sang-Hyo RYU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Catalyst composition for preparing carbon nanotube
Publication number
20100167053
Publication date
Jul 1, 2010
Hyun-Kyung Sung
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Anode active material hybridizing carbon nanofiber for lithium seco...
Publication number
20090053608
Publication date
Feb 26, 2009
Im Goo Choi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
METHOD OF PREPARING CYCLIC OLEFIN COPOLYMER HAVING CONTROLLED GEL C...
Publication number
20070060730
Publication date
Mar 15, 2007
KOREA KUMHO PETROCHEMICAL CO., LTD./NEW KOREA INTE
Youngchan Jang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PREPARING HOMO-AND CO-POLYMERS OF CYCLIC OLEFIN COMPOUNDS
Publication number
20050245704
Publication date
Nov 3, 2005
KOREA KUMHO PETROCHEMICAL CO., LTD.
Young Chan Jang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PREPARING HOMO-AND CO-POLYMERS OF CYCLIC OLEFIN COMPOUND...
Publication number
20050245703
Publication date
Nov 3, 2005
KOREA KUMHO PETROCHEMICAL CO., LTD.
Young Chan Jang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for determining optimal degree of vulcanization and optimal...
Publication number
20030134987
Publication date
Jul 17, 2003
Korea Kumho Petrochemical Co., Ltd.
Jee-Hwan Jang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for grouping unit cells using pattern matching technology of...
Publication number
20030052689
Publication date
Mar 20, 2003
Jee-Hwan Jang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of grouping single cells of power sources to build optimal p...
Publication number
20030041445
Publication date
Mar 6, 2003
Jee-Hwan Jang
H01 - BASIC ELECTRIC ELEMENTS