Patent Assignment
Reel/Frame 062521/0237
Change of Name
Recorded: 2023-01-26
Pages: 14
Assignor
SEWON CELLONTECH CO., LTD.
Executed: 2021-04-08
Assignee
SEWON E&C CO., LTD.
(SHINCHON-DONG) 211, GONGDAN-RO, SEONGSAN-GU, CHANGWON-SI, GYEONGSANGNAM-DO, 51562, KOREA, REPUBLIC OF
Covered Properties
(4)
Method of Separating Collagen from the Various Animal Tissues for Producing Collagen Solution and Product Using the Same
Composition for Inducing Tissue Regeneration by Activating Platelet-Rich Plasma (Prp)
Matrix for Restoring Soft Tissue and Producing Method Therefor
Method for Producing High-Concentration Collagen for Using as Medical Material
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 30, 2007
From: YU, JI-CHUL; CHANG, CHEONG-HO; YEO, SE-GEUN; JANG, JAE-DEOG
To: SEWON CELLOTECH CO., LTD.
Reel/Frame 019796/0760 →
Assignment of Assignor's Interest
Apr 13, 2012
From: PARK, HYUN-SHIN; YU, JI-CHUL; PARK, JU-HEE; KIM, JANG-HOON
To: SEWON CELLONTECH CO., LTD.
Reel/Frame 028047/0703 →
Assignment of Assignor's Interest
Mar 21, 2017
From: KIM, KI SOO; YOO, JI CHUL; YEO, SE KEN; CHOI, SANG BUM
To: SEWONCELLONTECH CO., LTD.
Reel/Frame 042051/0414 →
Assignment of Assignor's Interest
May 17, 2017
From: CHANG, CHEONG HO; JEONG, HYEONG WOO; YOO, JI CHUL; YEO, SE KEN
To: SEWONCELLONTECH CO., LTD.
Reel/Frame 042487/0160 →
Assignment of Assignor's Interest
Feb 7, 2023
From: SEWON E&C CO., LTD.
To: CELLONTECH CO., LTD.
Reel/Frame 062614/0371 →