Inventor

NITAYAMA AKIHIRO

JP55 patents

⚠️ This page may combine multiple inventors who share the name “NITAYAMA AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NITAYAMA AKIHIRO

TOSHIBA KK

Nonvolatile semiconductor memory device and manufacturing method thereof

Semiconductor memory device

MOS-type semiconductor integrated circuit device

Nonvolatile semiconductor storage device including a plurality of memory strings

Magnetic random access memory and method of manufacturing the same

Dynamic semiconductor memory device having a trench capacitor

Low resistant trench fill for a semiconductor device

Dynamic ram structure having a trench capacitor

Dynamic semiconductor memory device with higher density bit line/word line layout

Semiconductor memory device having a stack-type capacitor

Dynamic ram, having an improved large capacitance

Method of fabricating a semiconductor memory device

Nonvolatile semiconductor memory device and manufacturing method thereof

Magnetic random access memory and method of manufacturing the same

Semiconductor memory device

Semiconductor memory device and method for manufacturing the same

Dynamic semiconductor memory device with higher density bit line/word line layout

Method of making dynamic random access semiconductor memory device

Semiconductor vertical MOSFET inverter circuit

MOS type dynamic random access memory

Process for manufacturing a DRAM cell

Semiconductor memory device and manufacturing method thereof

Dynamic semiconductor memory device having a trench capacitor

Semiconductor memory device and method for producing same

Dynamic semiconductor memory device having high integration density

Semiconductor memory device and its fabricating method

Method of making trench type dynamic random access memory device

Nonvolatile semiconductor memory device and manufacturing method thereof

Semiconductor memory device

Dynamic type semiconductor memory device and its manufacturing method

Exposure mask, method of manufacturing the same, and exposure method using the same

Method of manufacturing a semiconductor memory device

Semiconductor device including a bipolar transistor biased to produce a negative base current by the impact ionization mechanism

Semiconductor memory device

Exposure mask, method of manufacturing the same, and exposure method using the same

A p channel mis type semiconductor device

KIOXIA CORP

Nonvolatile semiconductor memory device and manufacturing method thereof

Manufacturing method of a nonvolatile semiconductor memory device

Manufacturing method of a nonvolatile semiconductor memory device

Nonvolatile semiconductor memory device and manufacturing method thereof

Method for reading data of a first memory cell transistor of a nonvolatile semiconductor memory device

Method for writing data of a first memory cell transistor of a nonvolatile semiconductor memory device

ITAGAKI KIYOTARO

Non-volatile semiconductor storage device including a control circuit

Non-volatile semiconductor storage device having control circuit to control voltages to select transistor for erase operation

Non-volatile semiconductor storage device

KITO MASARU

Nonvolatile semicondutor memory device and manufacturing method thereof

Nonvolatile semiconductor memory device and manufacturing method thereof

FUKUZUMI YOSHIAKI

Non-volatile semiconductor storage device and method of manufacturing the same

KAJIYAMA TAKESHI

Magnetic random access memory and manufacturing method of the same

TOKO MASARU

Magnetoresistive element and method of manufacturing the same