Patent Assignment
Reel/Frame 014954/0710
Assignment of Assignor's Interest
Recorded: 2004-02-05
Pages: 2
Assignor
MAEDA, JUN
Executed: 2004-01-15
Assignee
SUMITOMO METAL INDUSTRIES, LTD.
5-33 KITAHAMA, 4-CHOME CHUO-KU, OSAKA-SHI, OSAKA 541-0041, JAPAN
Covered Property
(1)
Method of Manufacturing a Threaded Joint for Oil Well Pipes
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 24, 2004
From: SUMITOMO METAL INDUSTRIES, LTD.
To: VALLOUREC MANNESMANN OIL & GAS FRANCE
Reel/Frame 015392/0449 →
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 →