Masaaki Kuranuki

Switching power supply apparatus

direct-current power supply and battery-powered electronic apparatus equipped with the power supply

Switching power supply with delay circuit for light-load period

Secondary battery, power supply system using same and usage of power supply system

Processor, driving method thereof, and information processing device

Charger for lithium secondary battery and electronic apparatus including charger

System and method for controlling a clock oscillator and power supply voltage based on the energy consumed for processing a predetermined amount of data

Vibration power generator, vibration power generating device and communication device having vibration power generating device mounted thereon

Power System And Management Method Thereof

Power system and its management method