Patent Assignment
Reel/Frame 025322/0430
Assignment of Assignor's Interest
Recorded: 2010-11-08
Pages: 3
Assignors
KAI, TAKAHIRO
Executed: 2010-10-06
KOMORI, MASAKI
Executed: 2010-10-06
YAMAMOTO, TOSHIHIRO
Executed: 2010-10-06
Assignee
NIPPON STEEL CHEMICAL CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU, TOKYO, 101-0021, JAPAN
Covered Property
(1)
Indolocarbazole Derivative with Aromatic Phosphne Oxide Group for Organic Electroluminescent Device and Organic Electroluminescent Device Containing Same
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 →