Patent Assignment
Reel/Frame 041332/0821
Assignment of Assignor's Interest
Recorded: 2017-02-22
Pages: 2
Assignors
ARAI, YUJI
Executed: 2017-02-03
KONDO, KEIICHI
Executed: 2017-02-03
NAGAHASHI, KOJI
Executed: 2017-02-03
Assignee
NIPPON STEEL & SUMITOMO METAL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU,, TOKYO, 100-8071, JAPAN
Covered Property
(1)
Thick-Wall Oil-Well Steel Pipe and Production Method Thereof
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.