IP Library › Assignment 023217/0882
Patent Assignment
Reel/Frame 023217/0882

Assignment of Assignor's Interest

Recorded: 2009-09-11 Pages: 3
Assignors
IBARAKI, TETSUHARU
Executed: 2009-07-13
NAGAO, YUKIHIKO
Executed: 2009-07-17
Assignees
NIPPON STEEL CORPORATION
6-3, OTEMACHI 2-CHOME, CHIYODA-KU, TOKYO, 100-8071, JAPAN
NIPPON STEEL ESMENT KANTO CO., LTD.
1, KIMITSU, KIMITSU-SHI, CHIBA, 299-1141, JAPAN
Covered Property (1)
Sulfate Resistant Cement
Patent: 8,419,851 →
Application: 12/530,138 →
Publication: US 2010/0101458
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Merger Sep 19, 2024
From: NIPPON STEEL ESMENT KANTO CO., LTD
To: NIPPON STEEL SLAG PRODUCTS CO., LTD.
Reel/Frame 069312/0001 →