Patent Assignment
Reel/Frame 016886/0542
Assignment of Assignor's Interest
Recorded: 2005-08-19
Pages: 3
Assignor
HIRANO, YUMIKO
Executed: 2005-07-29
Assignee
TOSHIBA CERAMICS CO., LTD.
6-3, OHSAKI 1-CHOME, SHINAGAWA-KU, TOKYO, 141-0032, JAPAN
Covered Property
(1)
Process of Producing Silicon Wafer
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Jul 6, 2007
From: TOSHIBA CERAMICS CO., LTD.
To: COVALENT MATERIALS CORPORATION
Reel/Frame 019521/0648 →
Assignment of Assignor's Interest
Mar 11, 2013
From: COVALENT MATERIALS CORPORATION
To: COVALENT SILICON CORPORATION
Reel/Frame 029962/0497 →
Change of Name
Mar 13, 2013
From: COVALENT SILICON CORPORATION
To: GLOBALWAFERS JAPAN CO., LTD.
Reel/Frame 029991/0421 →