Patent Assignment
Reel/Frame 025623/0616
Assignment of Assignor's Interest
Recorded: 2011-01-12
Pages: 2
Assignors
YAMAZAKI, SHUNPEI
Executed: 2010-12-20
KOYAMA, JUN
Executed: 2010-12-20
KATO, KIYOSHI
Executed: 2010-12-20
Assignee
SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
398, HASE, ATSUGI-SHI, KANAGAWA-KEN, 243-0036, JAPAN
Covered Property
(1)
Non-Volatile Semiconductor Memory Device Equipped with an Oxide Semiconductor Writing Transistor Having a Small Off-State Current