Patent Assignment
Reel/Frame 057874/0419
Assignment of Assignor's Interest
Recorded: 2021-10-22
Pages: 8
Assignors
TANAKA, YUJI
Executed: 2021-10-14
MANDAI, MICHIKO
Executed: 2021-10-12
TAKAHASHI, MASAYO
Executed: 2021-10-11
YAMASAKI, SUGURU
Executed: 2021-10-05
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)
Composite Including Neural Retina, Retinal Pigment Epithelial Cells, and Hydrogel, and Method for Producing Same
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Jul 14, 2022
From: SUMITOMO DAINIPPON PHARMA CO., LTD.
To: SUMITOMO PHARMA CO., LTD
Reel/Frame 060507/0750 →
Assignment of Assignor's Interest
Jan 23, 2024
From: SUMITOMO CHEMICAL COMPANY, LIMITED
To: SUMITOMO PHARMA CO., LTD
Reel/Frame 066212/0445 →
Corrective Assignment to Correct the Name of Assignee Previously Recorded at Reel: 066212 Frame: 0445. Assignor(S) Hereby Confirms the Assignment.
Jan 25, 2024
From: SUMITOMO CHEMICAL COMPANY, LIMITED
To: SUMITOMO PHARMA CO., LTD.
Reel/Frame 066371/0053 →
Assignment of Assignor's Interest
Sep 29, 2025
From: SUMITOMO PHARMA CO., LTD.
To: RACTHERA CO., LTD.
Reel/Frame 072399/0820 →