Patent Assignment
Reel/Frame 022480/0250
Assignment of Assignor's Interest
Recorded: 2009-04-01
Pages: 3
Assignors
KAI, TAKAHIRO
Executed: 2009-02-25
KOMORI, MASAKI
Executed: 2009-02-25
YAMAMOTO, TOSHIHIRO
Executed: 2009-02-25
Assignee
NIPPON STEEL CHEMICAL CO., LTD.
14-1, SOTOKANDA 4-CHOME, CHIYODA-KU, TOKYO, 101-0021, JAPAN
Covered Property
(1)
Indolocarbazole Compound for Use in Organic Electroluminescent Device and Organic Electroluminescent Device
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 →