Patent Assignment
Reel/Frame 064152/0171
Assignment of Assignor's Interest
Recorded: 2023-07-05
Pages: 3
Assignor
PIONEER CORPORATION
Executed: 2023-06-13
Assignee
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
13-1, NIHONBASHI 1-CHOME, CHUO-KU, TOKYO, 103-0027, JAPAN
Covered Property
(1)
Organic Electroluminescent Device Having an Electron- and /or Exciton-Blocking Layer Comprising an Indolocarbazole Compound
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 17, 2011
From: KAI, TAKAHIRO; YAMAMOTO, TOSHIHIRO; KOMORI, MASAKI; YOSHIMURA, KAZUAKI
To: NIPPON STEEL CHEMICAL CO., LTD.; PIONEER CORPORATION
Reel/Frame 027073/0119 →
Change of Name
Mar 20, 2013
From: NIPPON STEEL CHEMICAL CO., LTD.
To: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
Reel/Frame 030049/0771 →
Change of Name
Dec 18, 2018
From: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
To: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Reel/Frame 047805/0595 →
Change of Address
Nov 13, 2019
From: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
To: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Reel/Frame 050998/0200 →