Patent Assignment
Reel/Frame 071821/0557
Assignment of Assignor's Interest
Recorded: 2025-07-24
Pages: 6
Assignor
SAKAGUCHI, TOMOHIKO
Executed: 2019-10-22
Assignee
KATAYAMA SEIYAKUSYO CO., LTD.
1-12-3, SYODAITAJIKA, HIRAKATA-SHI, OSAKA, 573-1132, JAPAN
Covered Property
(1)
Crystalline Forms of N-(4-(1-(2,6-Difluorobenzyl)-5-((Dimethylamino)Methyl)-3-(6-Methoxy-3-Pyridazinyl)-2,4-Dioxo-1,2,3,4-Tetrahydrothieno[2,3-D]Pyrimidin-6-Yl)Phenyl)-N'-Methoxyurea
Application:
19/212,513 →
Publication:
US 2026/0042775
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 24, 2025
From: AMRI SSCI LLC
To: MYOVANT SCIENCES, INC.
Reel/Frame 071821/0419 →
Assignment of Assignor's Interest
Jul 24, 2025
From: KATAYAMA SEIYAKUSYO CO., LTD.
To: TAKEDA PHARMACEUTICAL COMPANY LIMITED
Reel/Frame 071821/0643 →
Assignment of Assignor's Interest
Jul 24, 2025
From: BRANDL, MICHAEL THOMAS
To: MYOVANT SCIENCES, INC.
Reel/Frame 072240/0163 →
Assignment of Assignor's Interest
Jul 24, 2025
From: ANDRES, PATRICIA; VLAHOVA, PETINKA I.
To: AMRI SSCI, LLC
Reel/Frame 072240/0412 →
Assignment of Assignor's Interest
Jul 24, 2025
From: MYOVANT SCIENCES, INC.
To: MYOVANT SCIENCES GMBH
Reel/Frame 072240/0504 →
Change of Name
Jul 24, 2025
From: MYOVANT SCIENCES GMBH
To: SUMITOMO PHARMA SWITZERLAND GMBH
Reel/Frame 073352/0770 →
Assignment of Assignor's Interest
Aug 8, 2025
From: SUMITOMO PHARMA SWITZERLAND GMBH
To: SUMITOMO PHARMA CO., LTD.
Reel/Frame 071971/0600 →