Inventor

ARISAWA KOICHI

JP73 patents

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

ARISAWA KOICHI

MITSUBISHI ELECTRIC CORP

Three-phase PWM-signal generating apparatus

Motor system, motor drive device, refrigeration cycle device, and air conditioner

Power converting apparatus, motor driving apparatus, and air conditioner

Motor driving device and air conditioner

Motor driving device and refrigerating air-conditioning device

Motor driving device, and heat pump device and refrigerating and air conditioning device using the motor driving device

Power conversion device for converting AC power into DC power

Power converting apparatus, dehumidifier, air conditioner, and refrigeration apparatus

Direct-current power supply apparatus, motor drive control apparatus, blower, compressor, and air conditioner

Power converting apparatus, motor driving apparatus, and air conditioner

Motor driving apparatus

Power conversion device, motor driving device including power conversion device, blower and compressor including motor driving device, and air conditioner, refrigerator, and freezer including blower and compressor

Power conversion device, motor drive device including power conversion device, air blower and compressor including motor drive device, and air conditioner, refrigerator, and freezer including air blower and compressor

Overcurrent detection circuit, inverter, compressor, and air-conditioning machine, and adjusting method for adjusting overcurrent detection circuit

Air conditioner and driving device

Motor driving apparatus

Refrigerating cycle device having wiring switch part that switches between wiring states

Air conditioner

Motor driver, heat pump system and refrigeration and air conditioning equipment using motor driver

Motor driving apparatus

Harmonic suppression device and harmonic suppression system

Motor driving apparatus, refrigerator, and air conditioner

Power conversion device, motor drive unit, and refrigeration cycle apparatus

Power conversion device and air conditioner

Outdoor unit for air-conditioning apparatus

Power converting apparatus, motor driving apparatus, blower, compressor, and air conditioner

Power converting apparatus, and motor driving apparatus

Outdoor unit

Outdoor unit

Outdoor machine and air conditioner

Outdoor unit and air conditioner

Motor driving device and air conditioner

Power converter

Outdoor unit and air conditioner

Speed estimation apparatus for AC motor, driving apparatus for AC motor, refrigerant compressor, and refrigeration cycle apparatus

Power converter and air conditioner equipped with the same

Heat pump apparatus, air conditioner, and water heater

Motor drive apparatus and air conditioner

Power converting device that uses a sine-wave-shaped current control range to output drive signal

Power conversion apparatus and refrigeration air-conditioning apparatus

Backflow preventing device, power conversion apparatus, motor driver, and refrigerating and air-conditioning apparatus

Power conversion apparatus, motor drive apparatus, blower, compressor, and air conditioner

Outdoor unit and air conditioner

Motor drive device, blower, compressor, and air conditioner

ARISAWA KOICHI

Power conversion apparatus and refrigeration air-conditioning apparatus

Power converter and refrigerating and air-conditioning apparatus

Power conversion device and refrigeration/air-conditioning system

Inverter device, motor driving device, refrigerating air conditioner, and power generation system

SHIMOMUGI TAKUYA

Power converting device, motor driving device, and refrigerating and air-conditioning apparatus

Backflow preventing means, power converting device, and refrigerating and air-conditioning apparatus