Patent Assignment
Reel/Frame 045872/0290
Assignment of Assignor's Interest
Recorded: 2018-05-22
Pages: 4
Assignors
OKUDA, SATORU
Executed: 2018-05-08
EIRAKU, MOTOTSUGU
Executed: 2018-05-01
KUWAHARA, ATSUSHI
Executed: 2018-04-27
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)
Region Detecting Method and Region Detecting Device Related to Cell Aggregation
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Nov 21, 2022
From: SUMITOMO DAINIPPON PHARMA CO., LTD.
To: SUMITOMO PHARMA CO., LTD.
Reel/Frame 061972/0730 →
Assignment of Assignor's Interest
Jan 23, 2024
From: SUMITOMO CHEMICAL COMPANY, LIMITED
To: SUMITOMO PHARMA CO., LTD
Reel/Frame 066210/0025 →
Corrective Assignment to Correct the Assignee Name Previously Recorded on Reel 66210 Frame 25. Assignor(S) Hereby Confirms the Assignment.
Mar 5, 2024
From: SUMITOMO CHEMICAL COMPANY, LIMITED
To: SUMITOMO PHARMA CO., LTD.
Reel/Frame 066731/0218 →
Assignment of Assignor's Interest
Sep 29, 2025
From: SUMITOMO PHARMA CO., LTD.
To: RACTHERA CO., LTD.
Reel/Frame 072399/0820 →