Patent Assignment
Reel/Frame 068799/0134
Assignment of Assignor's Interest
Recorded: 2024-10-04
Pages: 3
Assignor
SUMITOMO CHEMICAL COMPANY, LIMITED
Executed: 2024-07-23
Assignee
SUMITOMO PHARMA CO., LTD.
6-8, DOSHOMACHI 2-CHOME, CHUO-KU, OSAKA-SHI, OSAKA, 541-0045, JAPAN
Covered Properties
(3)
Production Method for Retinal Tissue
Method for Producing Retinal Tissue
Production Method for Retinal Tissue
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 15, 2017
From: KUWAHARA, ATSUSHI; YAMASAKI, SUGURU; HIRAMINE, YASUSHI; SASAI, MIYUKI (LEGAL REPRESENTATIVE OF DECEASED INVENTOR YOSHIKI SASAI)
To: SUMITOMO DAINIPPON PHARMA CO., LTD.; RIKEN; SUMITOMO CHEMICAL COMPANY, LIMITED
Reel/Frame 042721/0771 →
Assignment of Assignor's Interest
Mar 7, 2018
From: ANDO, SATOSHI; KURODA, TAKAO; SASAI, MIYUKI (LEGAL REPRESENTATIVE OF DECEASED INVENTOR YOSHIKI SASAI)
To: SUMITOMO DAINIPPON PHARMA CO., LTD.; SUMITOMO CHEMICAL COMPANY, LIMITED; RIKEN
Reel/Frame 045136/0719 →
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
Apr 22, 2024
From: KUWAHARA, ATSUSHI; YAMASAKI, SUGURU; HIRAMINE, YASUSHI; SASAI (LEGAL REPRESENTATIVE OF THE DECEASED INVENTOR YOSHIKI SASAI), MIYUKI
To: SUMITOMO DAINIPPON PHARMA CO., LTD.; RIKEN; SUMITOMO CHEMICAL COMPANY, LIMITED
Reel/Frame 067185/0569 →
Assignment of Assignor's Interest
Sep 30, 2025
From: SUMITOMO PHARMA CO., LTD.
To: RACTHERA CO., LTD.
Reel/Frame 072825/0888 →