Patent Assignment
Reel/Frame 023101/0203
Assignment of Assignor's Interest
Recorded: 2009-08-14
Pages: 4
Assignors
HOSHINO, IKUJI
Executed: 2009-04-17
YAMANO, MASAKI
Executed: 2009-04-17
NAGASAKU, SHIGEO
Executed: 2009-04-17
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, AULNOYE-AYMERIES, 59620, FRANCE
Covered Property
(1)
Method for Evaluating Fastening State of Threaded Joint of Pipes or Tubes and Method for Fastening Threaded Joint of Pipes or Tubes Using the Method
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 →