Patent Assignment
Reel/Frame 018902/0046
Corrective Assignment to Correct the Execution Date of the Assignment Previously Recorded on Reel 018381 Frame 0839. Assignor(S) Hereby Confirms the Correct Execution Date of the Assignment Is July 6, 2006.
Recorded: 2007-02-19
Pages: 6
Assignor
MAEDA, JUN
Executed: 2006-07-06
Assignee
SUMITOMO METAL INDUSTRIES, LTD.
5-33, KITAHAMA 4-CHOME, CHUO-KU, OSAKA, 541-0041, JAPAN
Covered Property
(1)
Threaded Joint for an Oil Well Pipe, and Method for Manufacturing Same
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 12, 2006
From: MAEDA, JUN
To: SUMITOMO METAL INDUSTRIES, LTD.
Reel/Frame 018381/0839 →
Assignment of 50% of Rights
Apr 2, 2011
From: SUMITOMO METAL INDUSTRIES, LTD.
To: VALLOUREC MANNESMANN OIL & GAS FRANCE
Reel/Frame 026072/0830 →
Change of Name
Apr 25, 2014
From: VALLOUREC MANNESMANN OIL & GAS FRANCE
To: VALLOUREC OIL AND GAS FRANCE
Reel/Frame 032753/0743 →
Merger
May 14, 2019
From: SUMITOMO METAL INDUSTRIES, LTD.
To: NIPPON STEEL & SUMITOMO METAL CORPORATION
Reel/Frame 049165/0517 →
Change of Name
May 14, 2019
From: NIPPON STEEL & SUMITOMO METAL CORPORATION
To: NIPPON STEEL CORPORATION
Reel/Frame 049257/0828 →