Patent Assignment
Reel/Frame 029886/0467
Assignment of Assignor's Interest
Recorded: 2013-02-27
Pages: 3
Assignors
AKAMATSU, CHIAKI
Executed: 2012-10-16
YAMAMOTO, YASUHIRO
Executed: 2012-10-18
NAGASAKU, SHIGEO
Executed: 2012-10-16
Assignee
NIPPON STEEL & SUMITOMO METAL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU,, TOKYO, 100-8071, JAPAN
Covered Property
(1)
Test Apparatus for a Threaded Joint for Oil Country Tubular Goods
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.