IP Library Assignment 017880/0163
Patent Assignment
Reel/Frame 017880/0163

Assignment of Assignor's Interest

Recorded: 2006-05-15 Pages: 3
Assignors
HASEGAWA, MASATOSHI
Executed: 2005-04-24
ISHII, JUNICHI
Executed: 2005-04-25
Assignee
SONY CHEMICALS CORP.
GATE CITY OSAKI EAST TOWER 8F, 1-11-2, OSAKI, SHINAGAWA-KU, TOKYO 141-0032, JAPAN
Covered Property (1)
Ester Group-Containing Poly (Imide-Azomethine) Copolymer, Ester Group-Containing Poly (Amide Acid-Azomethine) Copolymer, and Positive Photosensitive Resin Composition
Patent: 7,521,167 →
Application: 11/433,436 →
Publication: US 2006/0269868
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Nov 17, 2006
From: SONY CHEMICALS CORPORATION
To: SONY CHEMICAL & INFORMATION DEVICE CORPORATION
Reel/Frame 018550/0258 →
Assignment of Assignor's Interest Feb 26, 2009
From: SONY CHEMICAL & INFORMATION DEVICE CORPORATION
To: SONY CORPORATION
Reel/Frame 022329/0518 →