Patent Assignment
Reel/Frame 013236/0342
Assignment of Assignor's Interest
Recorded: 2002-08-26
Pages: 3
Assignors
KATO, TOSHIMITSU
Executed: 2002-08-08
MINE, NORIOKI
Executed: 2002-08-08
KOTATO, MINORU
Executed: 2002-08-13
Assignee
MITSUBISHI CHEMICAL CORPORATION
5-2, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property
(1)
Method for Producing Refined Ethylene Sulfite
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Sep 4, 2017
From: MITSUBISHI CHEMICAL CORPORATION
To: MITSUBISHI RAYON CO., LTD.
Reel/Frame 043750/0207 →
Change of Name
Sep 5, 2017
From: MITSUBISHI RAYON CO., LTD.
To: MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 043750/0834 →
Split Assignment
Dec 10, 2020
From: MITSUBISHI CHEMICAL CORPORATION
To: MU IONIC SOLUTIONS CORPORATION
Reel/Frame 054678/0763 →
Corrective Assignment to Correct the Split Assignee Information Previously Recorded at Reel: 054678 Frame: 0763. Assignor(S) Hereby Confirms the Assignment.
Feb 16, 2021
From: MITSUBISHI CHEMICAL CORPORATION
To: MU IONIC SOLUTIONS CORPORATION; MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 055304/0658 →