Patent Assignment
Reel/Frame 020284/0478
Assignment of Assignor's Interest
Recorded: 2007-12-21
Pages: 2
Assignee
SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
398, HASE, ASTUGI-SHI,, KANAGAWA-KEN,, 243-0036, JAPAN
Covered Property
(1)
Quinoxaline Derivative, and Light-Emitting Element and Light-Emitting Device Using Quinoxaline Derivative