Patent Assignment
Reel/Frame 017655/0523
Assignment of Assignor's Interest
Recorded: 2006-05-22
Pages: 4
Assignors
IMAI, RYUICHI
Executed: 2006-04-14
GOTO, KUNIO
Executed: 2006-04-11
TAKANASHI, KAORU
Executed: 2006-04-26
OGAWA, YASUHIRO
Executed: 2006-04-21
Assignee
SUMITOMO METAL INDUSTRIES, LTD.
5-33, KITAHAMA 4-CHOME, CHUO-KU, OSAKA-SHI, OSAKA, 541-0041, JAPAN
Covered Property
(1)
Threaded Joint for Steel Pipes
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of 50% of Rights
Jul 25, 2008
From: SUMITOMO METALS INDUSTRIES, LTD.
To: VALLOUREC MANNESMANN OIL & GAS FRANCE
Reel/Frame 021293/0078 →
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 →