Patent Assignment
Reel/Frame 051574/0397
Assignment of Assignor's Interest
Recorded: 2020-01-21
Pages: 11
Assignors
SAKAGUCHI, HIDEYA
Executed: 2019-12-23
SASAI, MIYUKI (LEGAL REPRESENTATIVE OF DECEASED INVENTOR YOSHIKI SASAI)
Executed: 2020-01-05
EIRAKU, MOTOTSUGU
Executed: 2019-12-23
NUKAYA, DAIKI
Executed: 2019-12-17
KUWAHARA, ATSUSHI
Executed: 2019-12-18
Assignees
RIKEN
2-1, HIROSAWA, WAKO-SHI, SAITAMA, 351-0198, JAPAN
SUMITOMO DAINIPPON PHARMA CO., LTD.
6-8, DOSHO-MACHI 2-CHOME, CHUO-KU, OSAKA-SHI, OSAKA, 541-8524, JAPAN
SUMITOMO CHEMICAL COMPANY, LIMITED
27-1, SHINKAWA 2-CHOME, CHUO-KU, TOKYO, 104-8260, JAPAN
Covered Property
(1)
Method for Maturation of Retinal Tissue Containing Continuous Epithelium
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Name and Address Change
May 4, 2022
From: SUMITOMO DAINIPPON PHARMA CO., LTD.
To: SUMITOMO PHARMA CO., LTD.
Reel/Frame 059855/0333 →
Assignment of Assignor's Interest
Nov 27, 2023
From: SUMITOMO CHEMICAL COMPANY, LIMITED
To: SUMITOMO PHARMA CO., LTD.
Reel/Frame 065666/0629 →
Assignment of Assignor's Interest
Sep 30, 2025
From: SUMITOMO PHARMA CO., LTD.
To: RACTHERA CO., LTD.
Reel/Frame 072825/0888 →