Patent Assignment
Reel/Frame 031070/0796
Merger
Recorded: 2013-08-23
Pages: 34
Assignor
SUMITOMO METAL INDUSTRIES, LTD.
Executed: 2012-10-01
Assignee
NIPPON STEEL & SUMITOMO METAL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property
(1)
Plug, Piercing-Rolling Mill, and Method of Producing Seamless Tube by Using the Same
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 29, 2011
From: HIGASHIDA, YASUTO; HIDAKA, YASUYOSHI; SHIMODA, KAZUHIRO; YAMAKAWA, TOMIO
To: SUMITOMO METAL INDUSTRIES, LTD.
Reel/Frame 026819/0635 →
Merger
Mar 11, 2013
From: SUMITOMO METAL INDUSTRIES, LTD.
To: NIPPON STEEL & SUMITOMO METAL CORPORATION
Reel/Frame 029961/0319 →
Change of Name
May 14, 2019
From: NIPPON STEEL & SUMITOMO METAL CORPORATION
To: NIPPON STEEL CORPORATION
Reel/Frame 049257/0828 →