Patent Assignment
Reel/Frame 004535/0357
Assignment of Assignors Interest.
Recorded: 1986-01-13
Pages: 1
Assignors
ARAI, MIKIRO
Executed: 1985-12-17
ISODA, TAKESHI
Executed: 1985-12-17
ITOH, TAKUJI
Executed: 1985-12-17
Assignee
TOA NENRYO KOGYO KABUSHIKI KAISHA, A CORP OF JAPAN
1-1, HITOTSUBASHI, 1-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property
(1)
Inorganic Polysilazane and Method of Prducing the Same
Patent:
4,840,778 →
Application:
06/801,884 →
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 →
Change of Name
Dec 14, 2001
From: TOA NENRYO KOGYO KABUSHIKI KAISHA
To: TONEN CORPORATION
Reel/Frame 012365/0411 →
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 →