Patent Assignment
Reel/Frame 007443/0239
Assignment of Assignor's Interest
Recorded: 1995-04-11
Pages: 2
Assignors
ABE, KEISEI
Executed: 1995-03-30
FURUYA, HISASHI
Executed: 1995-03-30
MACHIDA, NORIHISA
Executed: 1995-03-30
ARAI, YOSHIAKI
Executed: 1995-03-30
Assignees
MITSUBISHI MATERIALS CORPORATION
5-1 OHTEMACHI 1-CHOME, CHIYODA-KU, TOKYO, JAPAN
MITSUBISHI MATERIALS SILICON CORPORATION
5-1, OHTEMACHI 1-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property
(1)
Double Crucible for Growing a Silicon Single Crystal
Patent:
5,474,022 →
Application:
08/420,350 →
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 →