Patent Assignment
Reel/Frame 013492/0591
Assignment of Assignor's Interest
Recorded: 2002-11-13
Pages: 4
Assignors
SUMITANI, KATSUTOSHI
Executed: 2002-10-22
MAEDA, JUN
Executed: 2002-10-22
NAGASAKU, SHIGEO
Executed: 2002-10-22
Assignees
SUMITOMO METAL INDUSTRIES, LTD.
5-33 KITAHAMA, 4-CHOME, CHUO-KU, OSAKA-SHI, OSAKA, 541-0041, JAPAN
VALLOUREC MANNESMANN OIL & GAS FRANCE
54, RUE ANATOLE FRANCE, 59620 AULNOYE-AYMERIES, FRANCE
Covered Property
(1)
Slim-Type Threaded Joint for Oil Well Pipes
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →