IP Library Assignment 026503/0709
Patent Assignment
Reel/Frame 026503/0709

Assignment of Assignor's Interest

Recorded: 2011-06-20 Pages: 3
Assignors
TERAKAWA, TORU
Executed: 2011-02-10
YAMAMOTO, MIHO
Executed: 2011-02-10
YAMADA, TAKEYOSHI
Executed: 2011-02-10
USAMI, YASUSHI
Executed: 2011-02-10
Assignee
MITSUBISHI PLASTICS, INC.
1-2-2, NIHONBASHI-HONGOKUCHO, CHUO-KU, TOKYO, 103-0021, JAPAN
Covered Property (1)
Laminated Porous Film, Separator for Lithium Cell, and Cell
Patent: 8,288,033 →
Application: 13/128,449 →
Publication: US 2011/0217584
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Aug 31, 2017
From: MITSUBISHI PLASTICS, INC
To: MITSUBISHI RAYON CO., LTD.
Reel/Frame 043746/0912 →
Change of Name Sep 5, 2017
From: MITSUBISHI RAYON CO., LTD.
To: MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 043750/0834 →