Inventor

UMENO TAKAJI

JP49 patents

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

UMENO TAKAJI

TOYOTA MOTOR CO LTD

Device for estimating road friction state

Wheel information estimating apparatus

Apparatus for estimating vehicle tire air pressure from not only tired wheel motion but also tire temperature

Device for estimating air pressure of tire from vibration components of vehicle wheel speed

Method and apparatus for estimating disturbance acting on vehicle tired wheel based on wheel angular velocity and equation of state

Road surface state estimating device

Tire air pressure determining apparatus and method of determining tire air pressure

Tire burst prediction device

Device and method for estimating physical quantity and device and method for ABS control

Electrical source control apparatus

Electrical source control apparatus

TOYODA CHUO KENKYUSHO KK

Road surface condition estimating apparatus and variation reduction processing apparatus

Braking estimation device, anti-lock brake controller, and braking pressure controller

Anti-lock braking system based on an estimated gradient of friction torque, method of determining a starting point for anti-lock brake control, and wheel-behavior-quantity servo control means equipped with limit determination means

Tire air pressure estimating apparatus

Wheel condition estimating apparatus

Vibration analysis of the rotating wheel for controlling anti-lock braking operation

Dynamic system diagnosing apparatus, tire air pressure diagnosing apparatus and vehicle body weight change detecting apparatus using same

Device for detecting wheel speed signal frequency

TOYOTA CHUO KENKYUSHO KK

Road surface state estimating apparatus, road surface friction state estimating apparatus, road surface state physical quantity calculating apparatus, and road surface state announcing apparatus

Magnetic component, power converter and power supply system

Vehicle mounted converter

Electric power conversion circuit system

Physical quantity estimating apparatus and tire state determining apparatus, and estimating method of same and determination method of same

Force detecting apparatus

Power supply system having two DC power supplies

ISHIGAKI MASANORI

Power conversion circuit and power conversion circuit system

Power supply system

DC-DC converter comprising DC power sources to be connected in parallel or in series

Control device and control method for power converter

AISIN SEIKI

Method and apparatus for estimating tire air pressure

Method and apparatus for estimating tire air pressure

TOMURA SHUJI

State estimating device for secondary battery

State estimating device of secondary battery

AMANO YASUSHI

Hybrid vehicle controller

Hybrid vehicle controller

TAKAGI KENICHI

Electric power conversion system

Electric power conversion system

HIROTA YASUKI

Secondary battery system and vehicle having secondary battery system

Battery temperature adjustment device

DENSO CORP

Tire air pressure detecting device

NIPPON SOKEN

Tire pressure detecting device which compares driven and driving wheel speeds and acceleration wherein judgment is prohibited when slippage occurs

TOYOTA JIDOSHOKKI KK

Hybrid-type forklift

EBUCHI HIROAKI

Control apparatus for hybrid vehicle

AIKI KOSUKE

Rotating electrical machine

KINOMURA SHIGEKI

External power supply system

KIMURA KENJI

Power supply apparatus for vehicle

IDESHIO YUKIHIKO

Electromagnetic actuator

TANIGUCHI MAKOTO

Motor drive system using potential at neutral point