IP Library Assignment 030823/0235
Patent Assignment
Reel/Frame 030823/0235

Assignment of Assignor's Interest

Recorded: 2013-07-18 Pages: 3
Assignors
TERAKAWA, TORU
Executed: 2013-06-27
YAMADA, TAKEYOSHI
Executed: 2013-06-27
USAMI, YASUSHI
Executed: 2013-06-27
Assignee
MITSUBISHI PLASTICS, INC.
1-1-1, MARUNOUCHI, CHIYODA-KU, TOKYO, 100-8252, JAPAN
Covered Property (1)
Polyolefin Resin Porous Film, and Non-Aqueous Electrolyte Cell Separator Using Same
Patent: 9,419,266 →
Application: 13/979,933 →
Publication: US 2013/0288132
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 →