IP Library › Assignment 023615/0237
Patent Assignment
Reel/Frame 023615/0237

Assignment of Assignor's Interest

Recorded: 2009-12-07 Pages: 3
Assignors
KUWAZAWA, TAKENARI
Executed: 2009-09-21
MIURA, AKIRA
Executed: 2009-09-14
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 Ore
Patent: 8,277,538 →
Application: 12/625,678 →
Publication: US 2010/0313713
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 →