Inventor · disambiguated record
Hyun Seok Nam
Also filed as: NAM HYUN · NAM HYUN SEOK
34 granted patents·4 pending applications·54 citations·filing 2007–2025
95Inventor score
Top patents by PatentIndex Score
38 records- 0191US8368062B2Nitrogen-containing heterocyclic compound and organic electronic device using the sameLG CHEMICAL LTD·Filed 2009·Granted Feb 5, 2013·8 cites·17 claims
- 0288US10518250B2Ferrite-based catalyst composite, method of preparing the same, and method of preparing butadiene using the sameLG CHEMICAL LTD·Filed 2017·Granted Dec 31, 2019·3 cites·6 claims
- 0385US12169417B2Power management integrated circuitSAMSUNG ELECTRONICS CO LTD·Filed 2022·Granted Dec 17, 2024·1 cites·16 claims
- 0485US9546124B2Method for producing acrylic acid from glycerolLG CHEMICAL LTD·Filed 2014·Granted Jan 17, 2017·5 cites·17 claims
- 0584US10315969B2Method of preparing multicomponent composite metal oxide catalystLG CHEMICAL LTD·Filed 2015·Granted Jun 11, 2019·2 cites·9 claims
- 0683US8968884B2Compound and organic light emitting device using the sameHONG SUNG-KIL·Filed 2008·Granted Mar 3, 2015·8 cites·15 claims
- 0782US7973306B2Anthracene derivatives, organic electronic devices using anthracene derivatives, and electronic apparatuses comprising organic electronic deviceLG CHEMICAL LTD·Filed 2007·Granted Jul 5, 2011·9 cites·14 claims
- 0880US9845275B2Method for preparing polyaromatic oxide and polyaromatic oxide prepared therebyLG CHEMICAL LTD·Filed 2015·Granted Dec 19, 2017·2 cites·9 claims
- 0977US2025279771A1Power management integrated circuitSAMSUNG ELECTRONICS CO LTD·Filed 2025·Application pending·0 cites
- 1076US8846212B2Organic metal complexes derivative and organic light emitting devices using the sameLEE DAE-WOONG·Filed 2008·Granted Sep 30, 2014·3 cites·8 claims
- 1174US9120718B1Method for preparing allyl alcoholLG CHEMICAL LTD·Filed 2014·Granted Sep 1, 2015·1 cites·8 claims
- 1272US9199895B2Method for preparing 1,3-butadiene as high yieldCHA KYONG-YONG·Filed 2011·Granted Dec 1, 2015·2 cites·9 claims
- 1372US9018915B2Battery protection circuit and method of controlling the sameNAM HYUN-SEOK·Filed 2012·Granted Apr 28, 2015·5 cites·13 claims
- 1470US2024356100A1Battery insulation sheet, manufacturing method thereof, and battery module comprising the sameSAMSUNG SDI CO LTD·Filed 2024·Application pending·0 cites
- 1569US12334933B2Power management integrated circuitSAMSUNG ELECTRONICS CO LTD·Filed 2023·Granted Jun 17, 2025·0 cites·20 claims
- 1668US8318948B2Fluorene derivatives and organic electronic device using the sameBAE JAE-SOON·Filed 2007·Granted Nov 27, 2012·3 cites·8 claims
- 1766US8318325B2Anthracene derivatives and organic electronic device using sameLEE DONG-HOON·Filed 2009·Granted Nov 27, 2012·2 cites·18 claims
- 1862US12445053B2Switching regulator and power management integrated circuit including the sameSAMSUNG ELECTRONICS CO LTD·Filed 2023·Granted Oct 14, 2025·0 cites·20 claims
- 1961US9592496B2Catalyst composition and method for preparing sameLG CHEMICAL LTD·Filed 2014·Granted Mar 14, 2017·0 cites·18 claims
- 2060US9487460B2Method for producing allyl alcohol and allyl alcohol produced therebyLG CHEMICAL LTD·Filed 2014·Granted Nov 8, 2016·0 cites·8 claims
- 2158US9724676B2Oxidation catalyst for production of butadiene and method of preparing the sameLG CHEMICAL LTD·Filed 2014·Granted Aug 8, 2017·0 cites·3 claims
- 2256US11598797B2Duty timing detector for detecting duty timing of toggle signal, device including the duty timing detector, and method of operating toggle signal receiving deviceSAMSUNG ELECTRONICS CO LTD·Filed 2022·Granted Mar 7, 2023·0 cites·20 claims
- 2356US2023375606A1Defect detecting system of automotive apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2023·Application pending·0 cites
- 2455US11084771B2Method for purifying phenolLG CHEMICAL LTD·Filed 2018·Granted Aug 10, 2021·0 cites·8 claims
- 2555US10843173B2Ferrite catalyst for oxidative dehydrogenation, method of preparing ferrite catalyst, and method of preparing butadiene using ferrite catalystLG CHEMICAL LTD·Filed 2018·Granted Nov 24, 2020·0 cites·13 claims
- 2654US9925525B2Bismuth molybdate-based catalyst having zeolite coating layer, method of preparing the same, and method of preparing 1,3-butadiene using the sameLG CHEMICAL LTD·Filed 2014·Granted Mar 27, 2018·0 cites·13 claims
- 2752US11420924B2Method for purifying organic acidsLG CHEMICAL LTD·Filed 2019·Granted Aug 23, 2022·0 cites·12 claims
- 2852US9782765B2Mesoporous composite oxide catalyst, method for preparing the same and method for synthesizing 1,3-butadiene using the sameLG CHEMICAL LTD·Filed 2014·Granted Oct 10, 2017·0 cites·14 claims
- 2952US8237630B2Plasma display, controller and driving method thereof with simultaneous driving when maximum grayscale is higher than reference levelNAM HYUN-SEOK·Filed 2008·Granted Aug 7, 2012·0 cites·8 claims
- 3051US9624150B2Method of preparing alkanolLG CHEMICAL LTD·Filed 2014·Granted Apr 18, 2017·0 cites·11 claims
- 3150US10994262B2Catalyst for oxidative dehydrogenation and method of preparing the sameLG CHEMICAL LTD·Filed 2017·Granted May 4, 2021·0 cites·11 claims
- 3249US9751819B2Method of preparing butadieneLG CHEMICAL LTD·Filed 2015·Granted Sep 5, 2017·0 cites·9 claims
- 3348US10486150B2Catalyst for oxidative dehydrogenation and method of preparing the sameLG CHEMICAL LTD·Filed 2016·Granted Nov 26, 2019·0 cites·13 claims
- 3443US10343958B2Catalyst for coating surface of porous material and method of treating surface of porous materialLG CHEMICAL LTD·Filed 2017·Granted Jul 9, 2019·0 cites·9 claims
- 3541US8344368B2Fused cyclic compound and organic electronic deviceLG CHEMICAL LTD·Filed 2010·Granted Jan 1, 2013·0 cites·16 claims
- 3640US8410475B2Compounds and organic light emitting diode using the sameJEON BYUNG-SUN·Filed 2007·Granted Apr 2, 2013·0 cites·16 claims
- 3738US9969661B2Method of preparing conjugated diene and device thereforLG CHEMICAL LTD·Filed 2015·Granted May 15, 2018·0 cites·6 claims
- 3832US2016036327A1Buck converter using variable pulseSAMSUNG ELECTRONICS CO LTD·Filed 2015·Application pending·0 cites
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