Inventor · disambiguated record
Won Seok Han
Also filed as: HAN WON SEOK
32 granted patents·15 pending applications·83 citations·filing 2002–2024
95Inventor score
Files withELECTRONICS & TELECOMMUNICATIONS RES INST13KOREA ELECTRONICS TELECOMM13UP CHEMICAL CO LTD12OZCHELA INC3KWON O KYUN2
Top patents by PatentIndex Score
47 records- 0192US9957614B2Ruthenium compound, preparation method therefor, precursor composition for film deposition containing same, and method for depositing film by using sameUP CHEMICAL CO LTD·Filed 2015·Granted May 1, 2018·5 cites·12 claims
- 0292US8942521B2Planar waveguide elementKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Jan 27, 2015·18 cites·11 claims
- 0389US10131680B1Group 4 metal element-containing alkoxy compound, preparing method thereof, precursor composition including the same for film deposition, and method of depositing film using the sameUP CHEMICAL CO LTD·Filed 2017·Granted Nov 20, 2018·3 cites·7 claims
- 0488US12072600B2Mach-zehnder interferometric optical modulator with shallow ridge waveguide structure and method for manufacturing the sameELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2022·Granted Aug 27, 2024·1 cites·15 claims
- 0587US7369595B2Distributed Bragg reflector (DBR) structure in vertical cavity surface emitting laser (VCSEL) diode, method of manufacturing the same, and VCSEL diodeKOREA ELECTRONICS TELECOMM·Filed 2006·Granted May 6, 2008·10 cites·15 claims
- 0686US10291327B1Optical signal generating apparatus and operating method thereofELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Granted May 14, 2019·6 cites·20 claims
- 0785US11401231B2Stilbene derivative and method for preparing sameOZCHELA INC·Filed 2017·Granted Aug 2, 2022·2 cites·5 claims
- 0885US9353437B2Diazadiene-based metal compound, method for preparing same and method for forming a thin film using sameHAN WON SEOK·Filed 2011·Granted May 31, 2016·7 cites·10 claims
- 0984US11018475B2High-output power quarter-wavelength shifted distributed feedback laser diodeELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2019·Granted May 25, 2021·3 cites·10 claims
- 1081US11912728B2Aluminum compounds and methods of forming aluminum- containing film using the sameUP CHEMICAL CO LTD·Filed 2021·Granted Feb 27, 2024·1 cites·11 claims
- 1181US11485749B2Group 4 metal element-containing compounds, method of preparing the same, precursor compositions including the same for forming a film, and method of forming a film using the sameUP CHEMICAL CO LTD·Filed 2020·Granted Nov 1, 2022·1 cites·8 claims
- 1280US9255324B2Aluminum precursor compositionUP CHEMICAL CO LTD·Filed 2013·Granted Feb 9, 2016·2 cites·11 claims
- 1379US10005795B1Group 4 metal element-containing compound, method of preparing the same, precursor composition including the same for depositing film, and method of depositing film using the sameUP CHEMICAL CO LTD·Filed 2017·Granted Jun 26, 2018·1 cites·10 claims
- 1473US12180152B2Stilbene derivative and method for preparing sameOZCHELA INC·Filed 2022·Granted Dec 31, 2024·0 cites·15 claims
- 1572US12319705B2Ruthenium precursor composition, preparation method therefor, and formation method for ruthenium-containing film using sameUP CHEMICAL CO LTD·Filed 2023·Granted Jun 3, 2025·0 cites·22 claims
- 1669US2025105595A1Method of manufacturing photonic integrated device based on single-step active layer epitaxial growthELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2024·Application pending·0 cites
- 1767US11286228B2Stilbene derivative and method for preparing sameOZCHELA INC·Filed 2019·Granted Mar 29, 2022·0 cites·18 claims
- 1867US2014109963A1Single junction type cigs thin film solar cell and method for manufacturing the thin film solar cellKOREA ELECTRONICS TELECOMM·Filed 2013·Application pending·0 cites
- 1963US6989312B2Method for fabricating semiconductor optical deviceKOREA ELECTRONICS TELECOMM·Filed 2004·Granted Jan 24, 2006·6 cites·8 claims
- 2061US8637765B2Single junction type cigs thin film solar cell and method for manufacturing the thin film solar cellCHUNG YONG-DUCK·Filed 2011·Granted Jan 28, 2014·0 cites·9 claims
- 2161US7230276B2Semiconductor optical device having current-confined structureKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Jun 12, 2007·9 cites·20 claims
- 2261US2023227960A1Optical integrated device and manufacturing method of the sameELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2022·Application pending·0 cites
- 2360US7394104B2Semiconductor optical device having current-confined structureKOREA ELECTRONICS TELECOMM·Filed 2007·Granted Jul 1, 2008·1 cites·11 claims
- 2457US10763001B2Liquid precursor compositions, preparation methods thereof, and methods for forming layer using the compositionUP CHEMICAL CO LTD·Filed 2018·Granted Sep 1, 2020·0 cites·10 claims
- 2557US2024168307A1Device for generating and splitting polarized lightELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2023·Application pending·0 cites
- 2656US11594656B2Quantum light source device and optical communication apparatus including the sameELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2020·Granted Feb 28, 2023·0 cites·16 claims
- 2756US2016122867A1Deposition method for tungsten-containing film using tungsten compound, and precursor composition for depositing tungsten-containing film, comprising tungsten compoundUP CHEMICAL CO LTD·Filed 2014·Application pending·0 cites
- 2856US2010319777A1Solar cell and method of fabricating the sameKOREA ELECTRONICS TELECOMM·Filed 2009·Application pending·0 cites
- 2955US6727109B2Method of fabricating long wavelength vertical-cavity surface-emitting lasersKOREA ELECTRONICS TELECOMM·Filed 2002·Granted Apr 27, 2004·7 cites·7 claims
- 3054US11500150B2Waveguide photodetectorELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2021·Granted Nov 15, 2022·0 cites·11 claims
- 3154US10649139B2Optical waveguide structureELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Granted May 12, 2020·0 cites·14 claims
- 3253US10985530B2Tunable semiconductor laser and operation method thereofELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2019·Granted Apr 20, 2021·0 cites·14 claims
- 3353US10014089B2Liquid precursor compositions, preparation methods thereof, and methods for forming layer using the compositionUP CHEMICAL CO LTD·Filed 2016·Granted Jul 3, 2018·0 cites·13 claims
- 3452US2010252094A1High-Efficiency Solar Cell and Method of Manufacturing the SameKOREA ELECTRONICS TELECOMM·Filed 2008·Application pending·0 cites
- 3551US7776752B2Method of etching for multi-layered structure of semiconductors in group III-V and method for manufacturing vertical cavity surface emitting laser deviceKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Aug 17, 2010·0 cites·8 claims
- 3648US10577385B2Group 5 metal compound, method for preparing the same, precursor composition for depositing layer containing the same, and method for depositing layer using the sameUP CHEMICAL CO LTD·Filed 2019·Granted Mar 3, 2020·0 cites·12 claims
- 3748US2011017289A1Cigs solar cell and method of fabricating the sameKOREA ELECTRONICS TELECOMM·Filed 2010·Application pending·0 cites
- 3848US2009155942A1Hybrid metal bonded vertical cavity surface emitting laser and fabricating method thereofKWON O KYUN·Filed 2009·Application pending·0 cites
- 3947US10658538B2Optical detection deviceELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Granted May 19, 2020·0 cites·15 claims
- 4042US8987037B2Methods of manufacturing a solar cellKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Mar 24, 2015·0 cites·18 claims
- 4142US2006126694A1Hybrid metal bonded vertical cavity surface emitting laser and fabricating method thereofKWON O KYUN·Filed 2005·Application pending·0 cites
- 4242US2019274554A1Apparatus and method for determining circulatory disease potentialKOREA INST SCI & TECH·Filed 2017·Application pending·0 cites
- 4341US2017168371A1Mach-zehnder electrooptic modulator and manufacturing method thereofELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Application pending·0 cites
- 4439US10290493B2Method for manufacturing silicon-containing thin filmUP CHEMICAL CO LTD·Filed 2015·Granted May 14, 2019·0 cites·14 claims
- 4537US2003086463A1Long wavelength VCSEL having oxide-aperture and method for fabricating the sameFiled 2002·Application pending·0 cites
- 4636US2017243999A1Solar cellELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Application pending·0 cites
- 4731US2016035568A1Method of manufacturing transition metal chalcogenide thin filmKOREA ELECTRONICS TELECOMM·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →