Patent Assignment
Reel/Frame 005220/0041
Assignment of Assignors Interest.
Recorded: 1990-01-18
Pages: 1
Assignors
FUNAYAMA, OSAMU
Executed: 1989-12-07
ARAI, MIKIRO
Executed: 1989-12-07
TASHIRO, YUUJI
Executed: 1989-12-07
ISODA, TAKESHI
Executed: 1989-12-07
SATO, KIYOSHI
Executed: 1989-12-07
Assignee
TONEN CORPORATION
1-1, HITOTSUBASHI 1-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property
(1)
Polyborosilazane and Process for Producing Same
Patent:
5,030,744 →
Application:
07/466,962 →
Related Assignments
(3)
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 →