Inventor

NAMEKAWA TOSHIMASA

JP53 patents

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

NAMEKAWA TOSHIMASA

TOSHIBA KK

Memory-embedded LSI

Semiconductor integrated circuit device including OTP memory, and method of programming OTP memory

Constant voltage boost power supply

Semiconductor device including a three or more stage semiconductor charge pump

Electronic circuit and semiconductor storage device

Semiconductor device realized by using partial SOI technology

Semiconductor memory device having redundancy circuit for relieving faulty memory cells

Semiconductor integrated circuit having power-supply circuits for producing internal supply voltages

Semiconductor memory device having defect relieving system using data line shift method

Step-up/down type power supply circuit

Nonvolatile semiconductor storage device having a low resistance write-bit-line and a low capacitance read-bit-line pair

Semiconductor memory device in which data is stored in nonvolatile state, by using semiconductor elements of metal oxide semiconductor (MOS) structure

Semiconductor charge pump using MOS (metal oxide semiconductor) transistor for current rectifier device

Nonvolatile semiconductor memory device using nonvolatile storage elements to which data can be written only once

One-time programable memory with additional programming time to ensure hard breakdown of the gate insulating film

Semiconductor integrated circuit device including storage unit having nonvolatile and volatile memory element sections

Nonvolatile semiconductor memory device to which information can be written only once

Semiconductor memory device

Dynamic random access memory capable of simultaneously writing identical data to memory cells

Semiconductor device

Nonvolatile semiconductor memory

Semiconductor device realized by using partial SOI technology

Semiconductor device with power supply wirings and expanded wirable regions for users

Semiconductor memory device having redundancy memory cells

Constant voltage power source circuit

Non-volatile semiconductor memory device

Semiconductor memory device

Semiconductor device, charge pumping circuit, and semiconductor memory circuit

Semiconductor charge pump using MOS (metal oxide semiconductor) transistor for current rectifier device

Semiconductor integrated circuit device incorporating a data memory testing circuit

Non-volatile semiconductor storage device

Sense amp circuit, and semiconductor memory device using the same

Semiconductor device in which capacitance of a MOS capacitor is complemented with the capacitance of a wiring capacitor

Nonvolatile semiconductor memory device using irreversible storage elements

Multiple-select multiplexer circuit, semiconductor memory device including a multiplexer circuit and method of testing the semiconductor memory device

Semiconductor device preventing signal delay among wirings

Semiconductor memory device which activates column lines at high speed

Nonvolatile semiconductor memory device

Switching power circuit

Switching power circuit

Rectangular-wave-signal generating circuit and switching power supply

Control of a dead time in a DC-DC converter

Sense amp circuit, and semiconductor memory device using the same

Semiconductor device realized by using partial SOI technology

Switching power circuit

KAKU DAICHI

Nonvolatile semiconductor memory device capable of preventing write-disturb and method of programming

MATSUFUJI KENSUKE

Nonvolatile semiconductor memory device

WADA OSAMU

Semiconductor electrically programmable fuse (eFuse) having a polysilicon layer not doped with an impurity ion and a programming method thereof

POWER SPIN INC

Semiconductor memory device and control device for semiconductor memory device

NAMEKAWA TOSHIMASA

DC-DC converter and digital pulse width modulator