Patent Assignment
Reel/Frame 020833/0484
Assignment of Assignor's Interest
Recorded: 2008-04-21
Pages: 6
Assignors
TAKITA, KOTARO
Executed: 2008-04-01
KIMISHIMA, KOHTARO
Executed: 2008-03-24
KAIMAI, NORIMITSU
Executed: 2008-04-01
Assignee
TONEN CHEMICAL CORPORATION
8-5 KOHNAN 1-CHOME, MINATO-KU, TOKYO, JAPAN
Covered Property
(1)
Microporous Membrane, Battery Separator and Battery
Application:
12/044,702 →
Publication:
US 2009/0226813
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 2, 2011
From: TONEN CHEMICAL CORPORATION
To: TORAY TONEN SPECIALTY SEPARATOR GODO KAISHA
Reel/Frame 025887/0910 →
Change of Name
Aug 29, 2012
From: TORAY TONEN SPECIALTY SEPARATOR GODO KAISHA
To: TORAY BATTERY SEPARATOR FILM GODO KAISHA
Reel/Frame 028867/0647 →
Change of Name
Sep 6, 2012
From: TORAY BATTERY SEPARATOR FILM GODO KAISHA
To: TORAY BATTERY SEPARATOR FILM CO., LTD.
Reel/Frame 028905/0220 →