Yoshihide Kai

Non-volatile semiconductor memory device having improved sense amplification configuration

Variable capacity semiconductor memory device

Non-volatile semiconductor memory device having sensitive sense amplifier structure

Signal amplification circuit for amplifying and sensing current difference and semiconductor memory device including same

Non-volatile semiconductor memory device improved sense amplification configuration

Variable capacity semiconductor storage system

NONVOLATILE SEMICONDUCTOR MEMORY AND ITS READ-OUT METHOD

Inverter having a variable threshold potential

Signal amplifier circuit and semiconductor memory provided therewith

Semiconductor storage device and method of writing thereto