Patent Assignment
Reel/Frame 066371/0053
Corrective Assignment to Correct the Name of Assignee Previously Recorded at Reel: 066212 Frame: 0445. Assignor(S) Hereby Confirms the Assignment.
Recorded: 2024-01-25
Pages: 5
Assignor
SUMITOMO CHEMICAL COMPANY, LIMITED
Executed: 2023-09-19
Assignee
SUMITOMO PHARMA CO., LTD.
6-8, DOSHOMACHI 2-CHOME, CHUO-KU, OSAKA-SHI, OSAKA, 541-0045, 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.
Assignment of Assignor's Interest
Oct 22, 2021
From: TANAKA, YUJI; MANDAI, MICHIKO; TAKAHASHI, MASAYO; YAMASAKI, SUGURU
To: RIKEN; SUMITOMO DAINIPPON PHARMA CO., LTD.; SUMITOMO CHEMICAL COMPANY, LIMITED
Reel/Frame 057874/0419 →
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 →
Assignment of Assignor's Interest
Sep 29, 2025
From: SUMITOMO PHARMA CO., LTD.
To: RACTHERA CO., LTD.
Reel/Frame 072399/0820 →