Inventor

KUMAMOTO TOSHIO

JP62 patents

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

KUMAMOTO TOSHIO

MITSUBISHI ELECTRIC CORP

Two input-two output differential latch circuit

Pipeline type A/D converter

Voltage comparator and pipeline type A/D converter

Pipeline type analog to digital converter including plural series connected analog to digital converter stages

Differential amplifier, comparator and high-speed A/D converter using the same

Current generating device for complementarily generating two currents of different magnitudes in response to one-bit data

Capacitance element

Semiconductor device having dummy patterns for metal CMP

ΔΣ modulator, DA converter and AD converter

Delta-sigma modulator and AD converter

Folding type A/D converter and folding type A/D converter circuit

A-D converter testing circuit and D-A converter testing circuit

Series-parallel type A-D converter for realizing high speed operation and low power consumption

Differential subtracter improved for higher accuracy and A/D converter including the same

Semiconductor integrated circuit device for limiting capacitive coupling between adjacent circuit blocks

Semiconductor integrated circuit device in which integrated circuit units having different functions are stacked in three dimensional manner

Controlled threshold type electric device and comparator employing the same

Multilayer semiconductor integrated circuit

Comparing device

Digital ΔΣ modulator and D/A converter using the modulator

D/A and A/D converters

Analog/digital converter and voltage comparator capable of fast producing of output offset voltage

Analog-to-digital converter

Differential amplifier and two-step parallel A/D converter

Sample hold circuit, buffer circuit and sample hold apparatus using these circuits

D-A converter

Analog voltage subtracting circuit and an A/D converter having the subtracting circuit

Magnetic sensor system including stacked hall effect devices detecting orthogonal magnetic fields

Hall element and magnetic sensor system employing the same

Voltage comparison apparatus

Sample hold circuit having a switch

D/A converter with high jitter resistance

Digital-to-analog converter

RENESAS TECH CORP

Semiconductor device

Oscillator circuit and L load differential circuit achieving a wide oscillation frequency range and low phase noise characteristics

Semiconductor device with resistor elements formed on insulating film

Semiconductor device having dummy patterns for metal CMP

Modulator providing only quantization error component to delta sigma modulator

Oscillator circuit and L load differential circuit achieving a wide oscillation frequency range and low phase noise characteristics

Semiconductor device including a differential transistor pair

A/D converter and semiconductor device

Semiconductor device

Modulator

MATSUMOTO TAKASHI

Delta-sigma A/D converter

Delta-sigma A/D converter

RENESAS ELECTRONICS CORP

Signal processing circuit, resolver digital converter, and multipath nested mirror amplifier

Semiconductor device having resistor elements and method for manufacturing the same

RENESAS DEVICE DESIGN CORP

Semiconductor device

MITSUBISHI KABUSHIKI KAISHA

Voltage comparator and A/D converter

KAMAKURA MASAOMI

Semiconductor device having resistors with a biased substrate voltage