Inventor

CHANG SUNG HWAN

KR7 patents

⚠️ This page may combine multiple inventors who share the name “CHANG SUNG HWAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHANG SUNG HWAN

3 patents

US8951782B2Feb 10, 2015

Apparatus for separating cells using magnetic force and cell separation method using the same

CHANG SUNG HWAN12 citations79

US9205432B2Dec 8, 2015

Apparatus for self-extracting cells using magnetic field and method for self-extracting cells using the same

CHANG SUNG HWAN1 citations47

US9211575B2Dec 15, 2015

Method of manufacturing roll for roll printing/roll imprinting

CHANG SUNG HWAN0 citations45

KAKAO CORP

2 patents

US10305827B2May 28, 2019

Method and system for providing instant messaging service

KAKAO CORP0 citations47

US9807038B2Oct 31, 2017

Method and system for providing instant messaging service

KAKAO CORP1 citations47

KOREA INST MACH & MATERIALS

1 patent

US10987854B2Apr 27, 2021

Apparatus for manufacturing of micro-channel and method for manufacturing of micro-channel using the same

KOREA INST MACH & MATERIALS0 citations50

SEOUL NAT UNIV R&DB FOUNDATION

1 patent

US10561688B2Feb 18, 2020

Method for preparing of endothelial cells by transformation (transdifferentiation) of adult fibroblast, and use thereof

SEOUL NAT UNIV R&DB FOUNDATION0 citations45