Patent Assignment
Reel/Frame 007625/0486
Assignment of Assignor's Interest
Recorded: 1995-08-18
Pages: 2
Assignors
TASHIRO, YUJI
Executed: 1995-08-11
INOUE, KAZUO
Executed: 1995-08-11
SUZUKI, TADASHI
Executed: 1995-08-11
Assignee
TONEN CORPORATION
CHIYODA-KU, 1-1, HITOTSUBASHI 1-CHOME, TOKYO, JAPAN
Covered Property
(1)
Silicon-Containing Copolymer and Method of Producing Same
Patent:
5,596,062 →
Application:
08/516,562 →
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 →