LexDanaLexDanabeta
Inventor

Cheong-Ho Chang

Inventor
Seoul, KR

Overview

3→
Patents
2010–2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Mprimary
A61MDevices for introducing media into, or onto, the body25%
C07KPeptides25%
C12NMicroorganisms or enzymes25%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture25%
PatentTitleYear
9,879,226'Mesenchymal stem cell basic culturing medium'20189,408,975'Apparatus for operating syringe piston'20167,781,158'Method of separating collagen from the various animal tissues for producing collagen solution and product using the same'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2018Patents assigned to SEWON CELLONTECH CO LTD (2)· patent assignee history
2010–2018Based in Seoul, KR· patent location history
2016Patents assigned to BYUN KYOUNG-PHIL (1)· patent assignee history
2016Patents assigned to CHANG CHEONG-HO (1)· patent assignee history
2018Patents assigned to CHANG CHEONG HO (1)· patent assignee history
2018Patents assigned to CHANG DONG IL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEWON CELLONTECH CO LTD22010–2018
BYUN KYOUNG-PHIL12016
CHANG CHEONG HOself12018
CHANG CHEONG-HOself12016
CHANG DONG IL12018
Locations
LocationPatentsSpan
Seoul, KR32010–2018