Patent Assignment
Reel/Frame 019346/0509
Assignment of Assignor's Interest
Recorded: 2007-05-21
Pages: 3
Assignee
SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
398, HASE, ATSUGI-SHI, KANAGAWA-KEN, 243-0036, JAPAN
Covered Property
(1)
Spirofluorene Derivative, Material for Light-Emitting Element, Light-Emitting Element, Light-Emitting Device, and Electronic Device