Patent Assignment
Reel/Frame 013784/0442
Assignment of Assignor's Interest
Recorded: 2003-02-24
Pages: 2
Assignor
KOKUBO, TAKESHI
Executed: 2003-02-12
Assignee
SONY CORPORATION
7-35 KITASHINAGAWA 6-CHOME, SHINAGAWA-KU, TOKYO, 141-0001, JAPAN
Covered Property
(1)
Task Display Switching Method, Portable Apparatus and Portable Communications Apparatus
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 21, 2010
From: SONY CORPORATION
To: SCA IPLA HOLDINGS INC.
Reel/Frame 023828/0473 →
Assignment of Assignor's Interest
Jan 21, 2010
From: SCA IPLA HOLDINGS INC
To: MOBILEMEDIA IDEAS LLC
Reel/Frame 023828/0504 →
Assignment of Assignor's Interest
Mar 28, 2017
From: MOBILEMEDIA IDEAS LLC
To: IRONWORKS PATENTS LLC
Reel/Frame 042107/0440 →