Inventor · disambiguated record
Duck-Chul Hwang
Also filed as: HWANG DUCK CHUL
62 granted patents·24 pending applications·495 citations·filing 2000–2024
98Inventor score
Top patents by PatentIndex Score
86 records- 0198US7923149B2Positive electrode for rechargeable lithium battery and rechargeable lithium battery including sameSAMSUNG SDI CO LTD·Filed 2007·Granted Apr 12, 2011·84 cites·15 claims
- 0295US11978893B2Cathode active material for lithium secondary battery and method of manufacturing the sameSK ON CO LTD·Filed 2023·Granted May 7, 2024·1 cites·17 claims
- 0393US7250233B2Lithium-sulfur batteriesSAMSUNG SDI CO LTD·Filed 2002·Granted Jul 31, 2007·97 cites·28 claims
- 0492US9088045B2Silicon-based negative active material, preparing method of preparing same and rechargeable lithium battery including sameSAMSUNG SDI CO LTD·Filed 2013·Granted Jul 21, 2015·13 cites·17 claims
- 0592US7736809B2Rechargeable lithium ion batterySAMSUNG SDI CO LTD·Filed 2008·Granted Jun 15, 2010·11 cites·10 claims
- 0690US7521151B2Rechargeable lithium battery with specific surface roughness of positive electrode and/or negative electrodeSAMSUNG SDI CO LTD·Filed 2004·Granted Apr 21, 2009·35 cites·88 claims
- 0789US6852450B2Electrolyte for a lithium-sulfur battery and a lithium-sulfur battery using the sameSAMSUNG SDI CO LTD·Filed 2001·Granted Feb 8, 2005·40 cites·29 claims
- 0888US8003252B2Electrode for rechargeable lithium battery and rechargeable lithium battery including sameSAMSUNG SDI CO LTD·Filed 2007·Granted Aug 23, 2011·8 cites·33 claims
- 0987US11251425B2Lithium secondary batterySK INNOVATION CO LTD·Filed 2016·Granted Feb 15, 2022·2 cites·8 claims
- 1087US8808918B2Rechargeable lithium batteryJUNG EUY-YOUNG·Filed 2007·Granted Aug 19, 2014·15 cites·23 claims
- 1185US6613480B1Electrolyte for rechargeable lithium battery and rechargeable lithium battery using sameSAMSUNG SDI CO LTD·Filed 2000·Granted Sep 2, 2003·26 cites·12 claims
- 1284US11848442B2Lithium secondary batterySK ON CO LTD·Filed 2022·Granted Dec 19, 2023·0 cites·15 claims
- 1384US11211605B2Lithium secondary batterySK INNOVATION CO LTD·Filed 2019·Granted Dec 28, 2021·1 cites·6 claims
- 1484US10608253B2Lithium secondary battery and method of fabricating the sameSK INNOVATION CO LTD·Filed 2019·Granted Mar 31, 2020·1 cites·14 claims
- 1584US10305144B2Lithium secondary batterySK INNOVATION CO LTD·Filed 2015·Granted May 28, 2019·2 cites·15 claims
- 1684US6627344B2Lithium secondary battery and method of manufacturing thereofSAMSUNG SDI CO LTD·Filed 2001·Granted Sep 30, 2003·26 cites·19 claims
- 1783US7601458B2Rechargeable battery and battery moduleSAMSUNG SDI CO LTD·Filed 2006·Granted Oct 13, 2009·4 cites·10 claims
- 1881US11990605B2Lithium secondary battery and method of fabricating the sameSK ON CO LTD·Filed 2022·Granted May 21, 2024·0 cites·10 claims
- 1981US7745048B2Rechargeable lithium polymer batterySAMSUNG SDI CO LTD·Filed 2004·Granted Jun 29, 2010·17 cites·33 claims
- 2080US7629083B2Method of preparing a lithium metal anodeSAMSUNG SDI CO LTD·Filed 2004·Granted Dec 8, 2009·17 cites·19 claims
- 2180US2025219070A1Positive electrode active materialSK ON CO LTD·Filed 2023·Application pending·0 cites
- 2280US2025219073A1Positive electrode active materialSK ON CO LTD·Filed 2023·Application pending·0 cites
- 2379US6511769B1Electrolyte for rechargeable lithium batterySAMSUNG SDI CO LTD·Filed 2000·Granted Jan 28, 2003·17 cites·14 claims
- 2479US6232020B1Non-flammable electrolyte compositions and lithium secondary batteries made thereofSAMSUNG SDI CO LTD·Filed 2000·Granted May 15, 2001·17 cites·9 claims
- 2578US6919143B2Positive active material composition for lithium-sulfur battery and lithium-sulfur battery fabricated using sameSAMSUNG SDI CO LTD·Filed 2001·Granted Jul 19, 2005·17 cites·27 claims
- 2677US12002950B2Cathode active material for lithium secondary battery and method of manufacturing the sameSK INNOVATION CO LTD·Filed 2021·Granted Jun 4, 2024·0 cites·14 claims
- 2776US11735727B2Lithium secondary batterySK ON CO LTD·Filed 2022·Granted Aug 22, 2023·0 cites·8 claims
- 2876US10199644B2Lithium secondary batterySK INNOVATION CO LTD·Filed 2015·Granted Feb 5, 2019·1 cites·9 claims
- 2975US11984595B2Lithium secondary batterySK INNOVATION CO LTD·Filed 2021·Granted May 14, 2024·0 cites·6 claims
- 3075US11355743B2Lithium secondary battery and method of fabricating the sameSK INNOVATION CO LTD·Filed 2020·Granted Jun 7, 2022·0 cites·10 claims
- 3174US11581533B2Lithium secondary batterySK INNOVATION CO LTD·Filed 2020·Granted Feb 14, 2023·0 cites·18 claims
- 3274US10270124B2Lithium secondary batterySK INNOVATION CO LTD·Filed 2015·Granted Apr 23, 2019·1 cites·8 claims
- 3374US8389162B2Electrolyte for rechargeable lithium battery including additives, and rechargeable lithium battery including the sameHWANG DUCK-CHUL·Filed 2009·Granted Mar 5, 2013·2 cites·10 claims
- 3474US2025210668A1Lithium Secondary BatterySK ON CO LTD·Filed 2024·Application pending·0 cites
- 3573US7560192B2Rechargeable lithium ion batterySAMSUNG SDI CO LTD·Filed 2004·Granted Jul 14, 2009·9 cites·5 claims
- 3673US6521375B1Electrolyte for rechargeable lithium battery exhibiting good cycle life characteristics and rechargeable lithium battery using sameSAMSUNG SDI CO LTD·Filed 2000·Granted Feb 18, 2003·10 cites·10 claims
- 3772US11251423B2Lithium secondary batterySK INNOVATION CO LTD·Filed 2020·Granted Feb 15, 2022·0 cites·5 claims
- 3872US8268486B2Positive electrode for rechargeable lithium battery and rechargeable lithium battery including sameHWANG DUCK-CHUL·Filed 2007·Granted Sep 18, 2012·2 cites·22 claims
- 3971US10217991B2Lithium secondary batterySK INNOVATION CO LTD·Filed 2015·Granted Feb 26, 2019·1 cites·7 claims
- 4069US11699784B2Cathode active material for lithium secondary battery and method of manufacturing the sameSK INNOVATION CO LTD·Filed 2019·Granted Jul 11, 2023·0 cites·9 claims
- 4169US9450223B2Lithium secondary batterySAMSUNG SDI CO LTD·Filed 2012·Granted Sep 20, 2016·1 cites·17 claims
- 4269US6503663B1Organic electrolyte and lithium secondary batterySAMSUNG SDI CO LTD·Filed 2000·Granted Jan 7, 2003·8 cites·6 claims
- 4368US10840508B2Lithium ion secondary batterySK INNOVATION CO LTD·Filed 2018·Granted Nov 17, 2020·0 cites·14 claims
- 4467US9287585B2Electrolyte for rechargeable lithium battery and rechargeable lithium batterySAMSUNG SDI CO LTD·Filed 2014·Granted Mar 15, 2016·0 cites·16 claims
- 4567US8906559B2Electrolyte including an additive for rechargeable lithium battery and rechargeable lithium battery including sameJUNG EUY-YOUNG·Filed 2007·Granted Dec 9, 2014·1 cites·14 claims
- 4666US10199650B2Lithium secondary battery and method of fabricating the sameSK INNOVATION CO LTD·Filed 2017·Granted Feb 5, 2019·0 cites·17 claims
- 4764US7150944B2Non-aqueous electrolyte compositions and lithium secondary batteries made thereofSAMSUNG SDI CO LTD·Filed 2002·Granted Dec 19, 2006·5 cites·16 claims
- 4864US2022416241A1Lithium secondary batterySK ON CO LTD·Filed 2022·Application pending·0 cites
- 4963US11870068B2Lithium ion secondary batterySK INNOVATION CO LTD·Filed 2020·Granted Jan 9, 2024·0 cites·8 claims
- 5063US10756331B2Lithium secondary battery and method of fabricating the sameSK INNOVATION CO LTD·Filed 2017·Granted Aug 25, 2020·0 cites·17 claims
Showing the top 50 of 86 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Duck-Chul Hwang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →