Inventor
Hee-Chul Chang
Inventor
Seoul, KR
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes38%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations38%
A61LMethods or apparatus for sterilising materials or objects in general8%
C08LCompositions of macromolecular compounds8%
H04LTransmission of digital information, e.g. telegraphic communication8%
PatentTitleYear
11,005,658Data transmission system with security mechanism and method thereof202110,058,510Pharmaceutical composition of aprepitant20189,931,307Transdermal delivery system comprising donepezil or its salt20189,918,937'Pharmaceutical composition for protecting wounds, providing hemostasis, or preventing adhesion in the gastrointestinal tract'20189,782,353'Film coated tablet containing choline alfoscerate and process for preparing the same'20176,107,290'Non-crystalline cefuroxime axetil solid dispersant, process for preparing same and composition for oral administration thereof'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000Based in Goyang-si, KR· patent location history
2017–2018Patents assigned to DAE WOONG PHARMA (3)· patent assignee history
2017–2018Based in Seoul, KR· patent location history
2018Patents assigned to BIO SYNECTICS INC (1)· patent assignee history
2018Patents assigned to CG BIO CO LTD (1)· patent assignee history
2018Patents assigned to DAEWOONG CO LTD (1)· patent assignee history
2021Patents assigned to DELTA ELECTRONICS INC (1)· patent assignee history
2021Based in Taoyuan, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAE WOONG PHARMA | 3 | 2017–2018 |
| BIO SYNECTICS INC | 1 | 2018 |
| CG BIO CO LTD | 1 | 2018 |
| DAEWOONG CO LTD | 1 | 2018 |
| DELTA ELECTRONICS INC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seoul, KR | 4 | 2017–2018 |
| Taoyuan, TW | 1 | 2021 |
| Goyang-si, KR | 1 | 2000 |