Inventor

UTSUNOMIYA FUMIYASU

JP74 patents

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

UTSUNOMIYA FUMIYASU

SEIKO INSTR INC

Boost DC-DC converter and semiconductor device having boost DC-DC converter

Power source inverter circuit

Electronic apparatus having dual-mode load circuit

Timepiece having thermoelectric generator unit

Timepiece and portable electronic device having thermoelectric generator unit

MISFET semiconductor integrated circuit device

Voltage regulator with improved overshoot and undershoot voltage compensation

Electronic instrument having booster circuit

Electronic instrument

Power supply switching circuit

Electronic device including charge pump circuit

Power supply switching circuit

Electronic apparatus having dual-mode load circuit

Reference voltage circuit

Power generating block provided with thermoelectric generation unit

Voltage regulator

Voltage regulator

Power-on reset circuit

Circuit for detecting power supply voltage drop

Electronic equipment having a boost DC-DC converter

Electronic device having a CMOS circuit

Electronic portable appliance

Electronic device

Semiconductor memory device

Electronic device

Battery-powered electronic equipment with charge control circuit

Semiconductor device with transistors that convert a voltage difference into a drain current difference

Device identification apparatus and remote control system

Photoelectric conversion device

Light receiving circuit

Nonvolatile semiconductor memory device

Semiconductor device equipped with a pull-down circuit

UTSUNOMIYA FUMIYASU

Magnetic sensor circuit

Low power consumption electronic mouse device

Photodetector circuit and electronic device

Proximity sensor using photosensor

Light receiving circuit

ABLIC INC

Current detection circuit

Booster circuit

Battery-less sensor circuit

Current generation circuit

SII SEMICONDUCTOR CORP

Electronic device

Voltage reference circuit with reduced current consumption

Power source device

SEIKO INSTR R & D CENTER INC

Electronic apparatus

Electronic apparatus for being switched using piezoelectric element

SEIKO INSTR R & D CT INC

Electronic apparatus for stopping supply of power to load during voltage detection operation

SEIKO INSTUMENTS INC

Semiconductor device and method for manufacturing the same

SEIKO GROUP CORP

Optical latch circuit and electronic device

RITSUMEIKAN TRUST

Power generation sensor