Patent Assignment
Reel/Frame 008661/0640
Assignment of Assignor's Interest
Recorded: 1997-04-01
Pages: 2
Assignors
SAITOH, MASAO
Executed: 1997-03-10
WAKABAYASHI, DAISUKE
Executed: 1997-03-10
ATAMI, TAKASHI
Executed: 1997-03-10
FURUYA, HISASHI
Executed: 1997-03-10
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)
Apparatus for Preventing Heater Electrode Meltdown in Single Crystal Pulling Apparatus
Patent:
5,843,228 →
Application:
08/825,637 →
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 →