IP Library › Assignment 025859/0354
Patent Assignment
Reel/Frame 025859/0354

Change of Name

Recorded: 2011-02-24 Pages: 18
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Assignor
NIKKEN CHEMICALS CO., LTD.
Executed: 2006-10-02
Assignee
KOWA PHARMACEUTICAL CO., LTD.
4-14, NIHONBASHI-HONCHO 3-CHOME, CHUO-KU, TOKYO, 103-8433, JAPAN
Covered Property (1)
Method for Purification of Polyprenyl Compounds
Patent: 6,369,251 →
Application: 09/553,852 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 18, 2000
From: TAKANO, MICHIKA; GOMI, NORIAKI
To: NIKKEN CHEMICALS CO., LTD.
Reel/Frame 011055/0915 →
Assignment of Assignor's Interest Jun 17, 2011
From: KOWA PHARMACEUTICAL CO., LTD.
To: KOWA COMPANY, LTD.
Reel/Frame 026477/0322 →