Inventor · disambiguated record
Sung Hwan Chang
Also filed as: CHANG SUNG HWAN
7 granted patents·1 pending application·14 citations·filing 2011–2017
75Inventor score
Files withCHANG SUNG HWAN3KAKAO CORP2KOREA INST MACH & MATERIALS1KOREA MACH & MATERIALS INST1SEOUL NAT UNIV R&DB FOUNDATION1
Top patents by PatentIndex Score
8 records- 0187US8951782B2Apparatus for separating cells using magnetic force and cell separation method using the sameCHANG SUNG HWAN·Filed 2012·Granted Feb 10, 2015·12 cites·12 claims
- 0269US9807038B2Method and system for providing instant messaging serviceKAKAO CORP·Filed 2012·Granted Oct 31, 2017·1 cites·18 claims
- 0357US9205432B2Apparatus for self-extracting cells using magnetic field and method for self-extracting cells using the sameCHANG SUNG HWAN·Filed 2012·Granted Dec 8, 2015·1 cites·5 claims
- 0456US10305827B2Method and system for providing instant messaging serviceKAKAO CORP·Filed 2017·Granted May 28, 2019·0 cites·20 claims
- 0544US10987854B2Apparatus for manufacturing of micro-channel and method for manufacturing of micro-channel using the sameKOREA INST MACH & MATERIALS·Filed 2014·Granted Apr 27, 2021·0 cites·10 claims
- 0638US10561688B2Method for preparing of endothelial cells by transformation (transdifferentiation) of adult fibroblast, and use thereofSEOUL NAT UNIV R&DB FOUNDATION·Filed 2016·Granted Feb 18, 2020·0 cites·7 claims
- 0738US9211575B2Method of manufacturing roll for roll printing/roll imprintingCHANG SUNG HWAN·Filed 2011·Granted Dec 15, 2015·0 cites·8 claims
- 0833US2013003035A1Apparatus and method for lithographyKOREA MACH & MATERIALS INST·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →