IP Library › Assignment 064153/0626
Patent Assignment
Reel/Frame 064153/0626

Assignment of Assignor's Interest

Recorded: 2023-07-05 Pages: 4
Assignors
PIONEER CORPORATION
Executed: 2023-06-13
TOHOKU 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
Patent: 9,290,498 →
Application: 13/502,520 →
Publication: US 2012/0205640
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 17, 2012
From: KAI, TAKAHIRO; YAMAMOTO, TOSHIHIRO; KOMORI, MASAKI; YOSHIMURA, KAZUAKI
To: NIPPON STEEL CHEMICAL CO., LTD.; PIONEER CORPORATION; TOHOKU PIONEER CORPORATION
Reel/Frame 028062/0163 →
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 →