Inventor
Sung Hwan Chang
Inventor
Seoul, KR
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C12Nprimary
C12NMicroorganisms or enzymes13%
C12MApparatus for enzymology or microbiology8%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms8%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes8%
H04LTransmission of digital information, e.g. telegraphic communication8%
H04MTelephonic communication8%
H04WWireless communication networks8%
A61KPreparations for medical, dental or toiletry purposes4%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids4%
PatentTitleYear
10,561,688Method for preparing of endothelial cells by transformation (transdifferentiation) of adult fibroblast, and use thereof202010,305,827Method and system for providing instant messaging service20199,807,038'Method and system for providing instant messaging service'20179,211,575'Method of manufacturing roll for roll printing/roll imprinting'20159,205,432'Apparatus for self-extracting cells using magnetic field and method for self-extracting cells using the same'20158,951,782'Apparatus for separating cells using magnetic force and cell separation method using the same'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015Patents assigned to CHANG SUNG HWAN (3)· patent assignee history
2015Patents assigned to KOREA MACH & MATERIALS INST (3)· patent assignee history
2015Patents assigned to YOO YEONG-EUN (3)· patent assignee history
2015Patents assigned to CHOI DOO-SUN (2)· patent assignee history
2015Based in Daejeon, KR· patent location history
2017–2019Patents assigned to KAKAO CORP (2)· patent assignee history
2017–2020Based in Seoul, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHANG SUNG HWANself | 3 | 2015 |
| KOREA MACH & MATERIALS INST | 3 | 2015 |
| YOO YEONG-EUN | 3 | 2015 |
| CHOI DOO-SUN | 2 | 2015 |
| KAKAO CORP | 2 | 2017–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seoul, KR | 3 | 2017–2020 |
| Daejeon, KR | 3 | 2015 |