IP Library › Assignment 069312/0001
Patent Assignment
Reel/Frame 069312/0001

Merger

Recorded: 2024-09-19 Pages: 30
Assignor
NIPPON STEEL ESMENT KANTO CO., LTD
Executed: 2023-04-01
Assignee
NIPPON STEEL SLAG PRODUCTS CO., LTD.
13-1 NIHOMBASHIKAYABACHO 2-CHOME, CHUO-KU, TOKYO, 103-0025, JAPAN
Covered Properties (2)
Sulfate Resistant Cement
Patent: 8,419,851 →
Application: 12/530,138 →
Publication: US 2010/0101458
Sulfate Resistant Ground Granulated Blast Furnace Slag, Sulfate Resistant Cement, and Method of Production of Same
Patent: 8,440,016 →
Application: 12/737,892 →
Publication: US 2011/0214591
Related Assignments (3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 18, 2011
From: IBARAKI, TETSUHARU; NAGAO, YUKIHIKO
To: NIPPON STEEL CORPORATION; NIPPON STEEL ESMENT KANTO CO., LTD
Reel/Frame 026140/0835 →
Merger Feb 16, 2013
From: NIPPON STEEL CORPORATION
To: NIPPON STEEL & SUMITOMO METAL CORPORATION
Reel/Frame 029822/0654 →
Change of Name May 14, 2019
From: NIPPON STEEL & SUMITOMO METAL CORPORATION
To: NIPPON STEEL CORPORATION
Reel/Frame 049257/0828 →