Patent Assignment
Reel/Frame 020354/0537
Assignment of Assignor's Interest
Recorded: 2008-01-11
Pages: 4
Assignor
DOWA HOLDINGS CO., LTD.
Executed: 2007-11-21
Assignee
DOWA METALS & MINING CO., LTD.
4-14-1 SOTO-KANDA, CHIYODA-KU, TOKYO, JAPAN
Covered Properties
(2)
Method and Apparatus for Recovering Platinum Group Elements
Method for recovering platinum group elements
Application:
10/548,440 →
Publication:
US 2006/0213323
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 25, 2005
From: YAMADA, KOJI; OGINO, MASAHIKO; EZAWA, NOBUYASU; INOUE, HIROSHI
To: DOWA MINING CO., LTD.; TANAKA KIKINZOKU KOGYO K.K.; KOSAKA SMELTING & REFINING CO., LTD.; NIPPON PGM CO., LTD.
Reel/Frame 015821/0589 →
Assignment of Assignor's Interest
Nov 13, 2006
From: YAMADA, KOJI; TAYAMA, KENICHI; EZAWA, NOBUYASU; INOUE, HIROSHI
To: DOWA MINING CO., LTD.; TANAKA KIKINZOKU KOGYO K.K.; KOSAKA SMELTING & REFINING CO., LTD.; NIPPON PGM CO., LTD.
Reel/Frame 018508/0962 →
Change of Name
Nov 5, 2007
From: DOWA MINING CO., LTD.
To: DOWA HOLDINGS CO., LTD.
Reel/Frame 020121/0161 →