Patent Assignment
Reel/Frame 028944/0097
Assignment of Assignor's Interest
Recorded: 2012-09-12
Pages: 2
Assignee
SUMITOMO METAL INDUSTRIES, LTD.
5-33, KITAHAMA 4-CHOME, CHUO-KU, OSAKA-SHI,, OSAKA, 541-0041, JAPAN
Covered Property
(1)
Seamless Steel Pipe for Steam Injection and Method for Manufacturing the Same
Application:
13/611,449 →
Publication:
US 2013/0004787
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Doc Date of Second Assignor Previously Recorded on Reel 028944 Frame 0097. Assignor(S) Hereby Confirms the the Correct Date Is 05/11/2012.
Jan 3, 2013
From: ISHIYAMA, TOMOYUKI; ARAI, YUJI
To: SUMITOMO METAL INDUSTRIES, LTD.
Reel/Frame 029566/0110 →
Merger
Mar 13, 2013
From: SUMITOMO METAL INDUSTRIES, LTD.
To: NIPPON STEEL & SUMITOMO METAL CORPORATION
Reel/Frame 029980/0354 →