IP Library Assignment 019644/0879
Patent Assignment
Reel/Frame 019644/0879

Assignment of Assignor's Interest

Recorded: 2007-07-20 Pages: 3
Assignors
OHTSUKA, NORIMASA
Executed: 2007-07-04
MITARAI, TSUYOSHI
Executed: 2007-07-04
Assignee
NIPPON MINING & METALS CO., LTD.
10-1, TORANOMON 2-CHOME, MINATO-KU, TOKYO 105-0001, JAPAN
Covered Property (1)
Method of leaching copper sulfide ores containing chalcopyrite
Application: 11/878,110 →
Publication: US 2008/0026450
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Oct 14, 2010
From: NIPPON MINING & METALS CO., LTD.
To: NIPPON MINING HOLDINGS, INC.
Reel/Frame 025141/0435 →
Change of Name Oct 19, 2010
From: NIPPON MINING HOLDINGS, INC.
To: JX NIPPON MINING & METALS CORPORATION
Reel/Frame 025163/0035 →