Inventor · disambiguated record
Hyun-Kyung Sung
Also filed as: SUNG HYUN-KYUNG
19 granted patents·1 pending application·173 citations·filing 1998–2018
93Inventor score
Files withKOREA KUMHO PETROCHEM CO LTD12KOREA KUMHO PETROCHEMICAL CO LTD3CHOI IM GOO1CHOI NAMSUN1KIM DONG HWAN1
Top patents by PatentIndex Score
20 records- 0186US8048821B2Catalyst composition for the synthesis of thin multi-walled carbon nanotube and its manufacturing methodKOREA KUMHO PETROCHEM CO LTD·Filed 2009·Granted Nov 1, 2011·10 cites·4 claims
- 0284US6620547B1Cathode including transition metal/matrix polymer composition and a secondary polymer battery therefromKOREA KUMHO PETROCHEM CO LTD·Filed 1999·Granted Sep 16, 2003·79 cites·12 claims
- 0380US9006132B2Process for preparing catalyst composition for the synthesis of carbon nanotube with high yields using the spray pyrolysis methodRYU SANG-HYO·Filed 2011·Granted Apr 14, 2015·4 cites·4 claims
- 0470US7468417B2Method of preparing cyclic olefin copolymer having controlled gel contentsKOREA KUMHO PETROCHEM CO LTD·Filed 2006·Granted Dec 23, 2008·2 cites·12 claims
- 0568US8398894B2Catalyst for preparing carbon nanotubes by controlling its apparent densityCHOI NAMSUN·Filed 2009·Granted Mar 19, 2013·3 cites·4 claims
- 0666US8137591B2Catalyst for preparing carbon nanotube comprising multi-component support materials containing amorphous silicon particles and the bulk scale preparation of carbon nanotube using the sameKIM DONG HWAN·Filed 2009·Granted Mar 20, 2012·2 cites·5 claims
- 0766US6998450B1Method for preparing a homo-and co-polymers by polymerization of cyclic olefin compounds using fluorine-containing aromatic hydrocarbon compound as catalyst activatorKOREA KUMHO PETROCHEM CO LTD·Filed 2005·Granted Feb 14, 2006·1 cites·11 claims
- 0864US6674287B2Method for grouping unit cells using pattern matching technology of impedance spectrumKOREA KUMHO PETROCHEM CO LTD·Filed 2002·Granted Jan 6, 2004·6 cites·12 claims
- 0964US6090504AHigh capacity composite electrode and secondary cell therefromKOREA KUMHO PETROCHEM CO LTD·Filed 1998·Granted Jul 18, 2000·37 cites·6 claims
- 1061US8202818B2Catalyst composition for preparing carbon nanotubeSUNG HYUN-KYUNG·Filed 2009·Granted Jun 19, 2012·1 cites·5 claims
- 1158US7095237B2Method of grouping single cells of power sources to build optimal packs using parameters obtained by analysis of impedance spectrumKOREA KUMHO PETROCHEM CO LTD·Filed 2002·Granted Aug 22, 2006·3 cites·10 claims
- 1256US11524277B2Catalyst for mass production of multi-wall carbon nanotubesKOREA KUMHO PETROCHEMICAL CO LTD·Filed 2018·Granted Dec 13, 2022·0 cites·9 claims
- 1353US6924652B2Method for determining optimal degree of vulcanization and optimal content of constituent ingredient of composition for vulcanization in real time by impedance measurement and analysisKOREA KUMHO PETROCHEM CO LTD·Filed 2002·Granted Aug 2, 2005·4 cites·16 claims
- 1449US11117803B2Method for manufacturing multi-wall carbon nanotubes using continuous type processKOREA KUMHO PETROCHEMICAL CO LTD·Filed 2018·Granted Sep 14, 2021·0 cites·17 claims
- 1546US10290388B2Conductive resin composition and plastic molded product using the sameKOREA KUMHO PETROCHEMICAL CO LTD·Filed 2017·Granted May 14, 2019·0 cites·4 claims
- 1645US2009053608A1Anode active material hybridizing carbon nanofiber for lithium secondary batteryCHOI IM GOO·Filed 2008·Application pending·0 cites
- 1744US6057056AComposite electrode and secondary battery therefromKOREA KUMHO PETROCHEM CO LTD·Filed 1998·Granted May 2, 2000·14 cites·7 claims
- 1842US7091290B2Method for preparing homo-and co-polymers of cyclic olefin compounds using an organic boron compound as a catalyst activatorKOREA KUMHO PETROCHEM CO LTD·Filed 2004·Granted Aug 15, 2006·0 cites·17 claims
- 1941US6969751B2Method for preparing homo-and co-polymers of cyclic olefin compoundsKOREA KUMHO PETROCHEM CO LTD·Filed 2004·Granted Nov 29, 2005·0 cites·20 claims
- 2035US6335118B1Sulfurated hydrocarbon materials having high capacity and secondary cells using the sameKOREA KUMHO PETROCHEM CO LTD·Filed 1999·Granted Jan 1, 2002·7 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →