Patent Assignment
Reel/Frame 008523/0910
Assignment of Assignor's Interest
Recorded: 1997-04-15
Pages: 2
Assignors
YAMAZAKI, MASAKAZU
Executed: 1997-03-31
TAGUCHI, HIROAKI
Executed: 1997-03-31
YANABA, MICHIO
Executed: 1997-03-31
ATAMI, TAKASHI
Executed: 1997-03-31
FURUYA, HISASHI
Executed: 1997-03-31
Assignees
MITSUBISHI MATERIALS SILICON CORPORATION
5-1, OTEMACHI, 1-CHOME, CHIYODA-KU, TOKYO, JAPAN
MITSUBISHI MATERIALS CORPORATION
5-1, OTEMACHI, 1-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property
(1)
Method for Crucible Attachment to Support Base of Single Crystal Pulling Apparatus and Support Base Assembly Apparatus and Support Base Employed Therein
Patent:
5,897,706 →
Application:
08/834,293 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Apr 5, 2011
From: MITSUBISHI MATERIALS SILICON CORPORATION
To: SUMITOMO MITSUBISHI SILICON CORPORATION
Reel/Frame 026074/0552 →
Change of Name
Apr 7, 2011
From: SUMITOMO MITSUBISHI SILICON CORPORATION
To: SUMCO CORPORATION
Reel/Frame 026100/0718 →
Assignment of Assignor's Interest
Oct 5, 2011
From: MITSUBISHE MATERIALS CORPORATION
To: SUMCO CORPORATION
Reel/Frame 027021/0207 →