Inventor

YAEGASHI TOSHITAKE

JP84 patents

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

YAEGASHI TOSHITAKE

TOSHIBA KK

Nonvolatile semiconductor memory device

Nonvolatile semiconductor memory device

NAND type non-volatile semiconductor memory device

Nonvolatile semiconductor memory

Non-volatile semiconductor memory device and its manufacturing method

Nonvolatile semiconductor memory and manufacturing method thereof

NAND type flash EEPROM in which sequential programming process is performed by using different intermediate voltages

Nonvolatile semiconductor memory device having pair of selection transistors with different source and drain impurity concentrations and with different channel dopant concentrations

Non-volatile semiconductor memory device and process of manufacturing the same

Semiconductor memory device including multi-layer gate structure

NAND type flash EEPROM in which sequential programming process is performed by using different intermediate voltages

Non-volatile semiconductor memory device in which selection gate transistors and memory cells have different structures

Nonvolatile semiconductor memory

Non-volatile semiconductor memory device and process of manufacturing the same

Semiconductor memory device including multi-layer gate structure

Non-volatile and memory semiconductor integrated circuit

Non-volatile semiconductor memory device

Non-volatile semiconductor memory device and its manufacturing method

Nonvolatile semiconductor memory

Nonvolatile semiconductor memory device having a memory cell that includes a floating gate electrode and control gate electrode

Semiconductor integrated circuit device with high and low voltage wells

Non-volatile semiconductor memory device and its manufacturing method

Semiconductor device, semiconductor element and method for producing same

Nonvolatile semiconductor memory device including memory cells formed to have double-layered gate electrodes

Semiconductor memory device including multi-layer gate structure

Nonvolatile semiconductor memory

Nonvolatile semiconductor memory

Non-volatile semiconductor memory device and its manufacturing method

Method of manufacturing a non-volatile NAND memory semiconductor integrated circuit

Semiconductor memory device and manufacturing method thereof

Nonvolatile semiconductor memory

Nonvolatile semiconductor memory

Nonvolatile semiconductor memory device in which selection transistors and memory transistors have different impurity concentration distributions

Non-volatile semiconductor memory device in which selection gate transistors and memory cells have different structures

Non-volatile semiconductor memory device and its manufacturing method

Non-volatile semiconductor memory device

Nonvolatile semiconductor storage device and method of manufacture thereof

Nonvolatile semiconductor storage device and method of manufacture thereof

YAEGASHI TOSHITAKE

Nonvolatile semiconductor storage device and method of manufacture thereof

Nonvolatile semiconductor storage device and method of manufacture thereof

Semiconductor memory device including multi-layer gate structure

Nonvolatile semiconductor memory device in which decrease in coupling ratio of memory cells is suppressed

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

Semiconductor memory device including multi-layer gate structure

Nonvolatile semiconductor memory device including memory cells formed to have double-layered gate electrodes

Nonvolatile semiconductor memory and manufacturing method thereof

Nonvolatile semiconductor memory including a gate insulating film and an inter-gate insulating film

TOKYO SHIBAURA ELECTRIC CO

Non-volatile semiconductor storage device composed of NAND type EEPROM and deletion verification method in non-volatile semiconductor storage device

ICHIGE MASAYUKI

Nonvolatile semiconductor memory

WATANABE HIROSHI

Nonvolatile semiconductor memory