Patent Assignment
Reel/Frame 025205/0676
Assignment of Assignor's Interest
Recorded: 2010-10-27
Pages: 4
Assignors
FUKUMATSU, TAKAYUKI
Executed: 2010-09-27
YAMAMOTO, TOSHIHIRO
Executed: 2010-09-27
NOGUCHI, KATSUHIDE
Executed: 2010-09-27
ICHIHASHI, IKUMI
Executed: 2010-09-27
Assignee
NIPPON STEEL CHEMICAL CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU, TOKYO, 101-0021, JAPAN
Covered Property
(1)
Organic Electroluminescent Device Comprising a First Electron-Transporting Layer and a Second Electron-Transporting Layer
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Mar 20, 2013
From: NIPPON STEEL CHEMICAL CO., LTD.
To: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
Reel/Frame 030049/0771 →
Merger
Oct 21, 2020
From: NIPPON STEEL & SUMIKIN MATERIALS CO., LTD.; NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
To: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Reel/Frame 054145/0400 →