IP Library › Assignment 018559/0268
Patent Assignment
Reel/Frame 018559/0268

Assignment of Assignor's Interest

Recorded: 2006-11-21 Pages: 3
Assignor
Assignees
SONY CORPORATION
7-35 KITASHINAGAWA 6-CHOME, SHINAGAWA-KU, TOKYO 141-0001, JAPAN
SONY CHEMICAL & INFORMATION DEVICE CORPORATION
GATE CITY OSAKI EAST TOWER 8F, 1-11-2, OSAKI, SHINAGAWA-KU, TOKYO 141-0032, JAPAN
Covered Property (1)
Perfluoropolyether Ester Compound, Lubricant and Magnetic Recording Medium
Patent: 7,157,410 →
Application: 10/518,717 →
Publication: US 2005/0209480
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 22, 2004
From: NAKATA, YOSHIAKI
To: SONY CHEMICALS CORP.
Reel/Frame 016692/0485 →
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 Dec 11, 2012
From: SONY CHEMICAL & INFORMATION DEVICE CORPORATION
To: SONY CORPORATION
Reel/Frame 029445/0268 →