Patent Assignment
Reel/Frame 019115/0625
Assignment of Assignor's Interest
Recorded: 2007-04-04
Pages: 4
Assignors
GOTO, KUNIO
Executed: 2006-09-19
IMAI, RYUICHI
Executed: 2006-09-20
OGAWA, YASUHIRO
Executed: 2006-09-15
MINAMI, JUNICHI
Executed: 2006-09-15
Assignee
SUMITOMO METAL INDUSTRIES, LTD.
5-33, KITAHAMA 4-CHOME, CHUO-KU, OSAKA-SHI, OSAKA, 541-0041, JAPAN
Covered Property
(1)
Threaded Joint for Steep Pipe
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of 50% of Rights
Aug 3, 2011
From: SUMITOMO METAL INDUSTRIES, LTD.
To: VALLOUREC MANNESMANN OIL & GAS FRANCE
Reel/Frame 026691/0633 →
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 →