Inventor

SAWADA AKINOBU

JP21 patents

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

SAWADA AKINOBU

ROHM CO LTD

Analog to digital converter using both analog and digital offset voltages as feedback

Switching control circuit, switching power supply, and electric apparatus

Zero-crossing detection circuit

Zero-crossing detection circuit

Zero-crossing detection circuit

Load driving device and LED lighting appliance therewith

LED power supply device

Lighting apparatus

Light emitting device control circuit device and control method of the control circuit device

Buck converter having super-junction MOSFET

Light-emitting-load driving device and illumination-light source device using same

LED power supply device

Portable communication terminal

Light emitter driving device and lighting appliance therewith

SAWADA AKINOBU

Lighting system including power conversion using a control signal based on illuminance information from a solar power generator

Switching current control circuit, LED dimmer system, and LED illumination device

Dimming control device, dimming control method and lighting apparatus provided with dimming control device

Power system

SUMITANI TAKESHI

Light emitter driving device and lighting appliance therewith

KIKUCHI HIDEKAZU

Light emitting device control circuit device and control method of the control circuit device

TANAKA MASAHIDE

Lighting apparatus