Inventor

YAMAMOTO ISAO

JP103 patents

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

YAMAMOTO ISAO

ROHM CO LTD

Power supply apparatus provided with regulation function and boosting of a regulated voltage

Light emitting element drive device and electronic device having light emitting element

Power supply apparatus having switchable switching regulator and linear regulator

Boost circuit capable of step-up ratio control

Semiconductor device with fine-adjustable resistance

Low-voltage driven, audio signal amplifying apparatus and a portable acoustic system using said apparatus

Under voltage lock out circuit and method

Electronic equipment synchronously controlling light emission from light emitting devices and audio control

Switching power supply and its control circuit, and electronic apparatus employing such switching power supply

Under voltage lock out circuit and method

Light-emission control circuit

Light emission control circuit uniformly and non-uniformly controlling a plurality of light-emitting elements

Power supply apparatus capable of supplying a stable converted voltage

Light emitting element drive device and electronic device light emitting element

Voltage regulating apparatus supplying a drive voltage to a plurality of loads

Boost controller capable of step-up ratio control

Charge control circuit

Charging circuit

Current drive circuit reducing VDS dependency

Power supply apparatus provided with overcurrent protection function

Start-up circuit and start-up method

DC/DC converter control circuit, and power supply apparatus, light emitting apparatus and electronic device using the same

Power supply circuit

Drive control circuit, emission control circuit, communication apparatus and drive control method

Audio signal amplifier circuit and a portable audio equipment using the same

Light emission control apparatus and light emission control method with temperature-sensitive driving current control

Battery charging method, battery charging circuit, and portable electronic device having a battery

NISSAN MOTOR

Airbag restraint system for motor vehicle

System and method for automatically controlling a vehicle speed to a desired cruise speed with a release function

Running state control system for motor vehicle

Cruise control system for automotive vehicle

Automobile multiple communication system operable under low power consumption

System and method for automatically controlling vehicle speed to desired cruise speed

System and method for automatically controlling vehicle speed to desired cruise speed using microcomputer

System and method for automatically controlling vehicle speed to desired cruise speed

System and method for automatically controlling vehicle speed to desired cruise speed

Automotive controller maintaining operation of controlled device when a microcomputer overruns and cannot be reset

(unassigned)

System for purifying exhaust gas

Anti-skid stair covering with illuminating areas therein

FUJI PHOTO FILM CO LTD

Calender roll for supercalender

Supercalendering apparatus

KIRINO HIDEKI

High-frequency waveguide and phase shifter using same, radiator, electronic device which uses this phase shifter and radiator, antenna device, and electronic device equipped with same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Digital recording/reproduction apparatus

TOSHIBA ELECTRIC APPLIANCES

Apparatus for making cotton candy

FURUNO ELECTRIC CO

Transducer device

ARAKI KYOICHIRO

Power control circuit to prevent a malfunction of a protection circuit

MITSUBISHI MOTORS CORP

Electromagnetic solenoid

TOSHIBA ELECTRIC APPLIANCE

Apparatus for making cotton candy

MITSUBISHI ELECTRIC CORP

Electromagnetic solenoid with a replaceable fixed iron core

KONISHIROKU PHOTO IND

Method for the manufacture of silver halide photographic material