Patent Assignment
Reel/Frame 008542/0001
Assignment of Assignor's Interest
Recorded: 1997-03-07
Pages: 2
Assignors
SHIMIZU, YASUO
Executed: 1997-03-03
MATSUO, HIDEKI
Executed: 1997-03-03
YAMADA, KAZUHIRO
Executed: 1997-03-03
Assignee
TONEN CORPORATION
1-1, HITOTSUBASHI 1-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property
(1)
Composition for Forming Ceramic Material and Process for Producing Ceramic Material
Patent:
5,922,411 →
Application:
08/793,943 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Dec 14, 2001
From: TONEN CORPORATION
To: TONENGENERAL SEKIYU KABUSHIKI KAISHA
Reel/Frame 012365/0287 →
Assignment of Assignor's Interest
Oct 20, 2003
From: TONENGENERAL SEKIYU K.K.
To: CLARIANT INTERNATIONAL, LTD.
Reel/Frame 014609/0431 →
Assignment of Assignor's Interest
Mar 17, 2005
From: CLARIANT INTERNATIONAL LTD
To: AZ ELECTRONIC MATERIALS USA CORP.
Reel/Frame 015788/0438 →
Assignment of Assignor's Interest
Jan 8, 2015
From: AZ ELECTRONIC MATERIALS USA CORP.
To: MERCK PATENT GMBH
Reel/Frame 034742/0206 →