Hiroyuki Kutsukake

High-voltage transistor having shielding gate

SEMICONDUCTOR DEVICE HAVING UPPER LAYER PORTION OF SEMICONDUCTOR SUBSTRATE DIVIDED INTO A PLURALITY OF ACTIVE AREAS

Semiconductor device with high-breakdown-voltage transistors

NON-VOLATILE SEMICONDUCTOR MEMORY DEVICE FOR SUPPRESSING DETERIORATION IN JUNCTION BREAKDOWN VOLTAGE AND SURFACE BREAKDOWN VOLTAGE OF TRANSISTOR

Semiconductor memory device and method of preliminary data writing to select memory cell transistors

Depletion MOS transistor and enhancement MOS transistor

Nonvolatile semiconductor storage device including a transfer transistor

Nonvolatile semiconductor memory device having air gap proximate to element isolation region and method of manufacturing the same

Method of manufacturing an electrically erasable programmable read-only memory (EEPROM)

METHOD OF MANUFACTURE OF CONTACT PLUG AND INTERCONNECTION LAYER OF SEMICONDUCTOR DEVICE