Inventor

JEONG IN WHA

KR52 patents

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

JEONG IN WHA

SAMSUNG ELECTRO MECH

Semiconductor device

Power factor correction circuit with active snubber and power supply including the same

Power factor correction device, power supply, and motor driver

Power factor correction circuit

Power supply device

Non-contact type charger

Wireless power reception device and electronic device including the same

Non-contact capacitive coupling type power charging apparatus and non-contact capacitive coupling type battery apparatus

Driving apparatus for driving power factor correction circuit

Gate driving circuit and inverter having the same

Power factor correction circuit and method for controlling power factor correction

Power factor correction circuit with active snubber and power supply including the same

Non-contact type charger and non-contact type battery

Non-contact type charger, non-contact type battery, and non-contact type power transmission method

Wireless power transmitting device

Piezoelectric energy harvester and wireless switch including the same

Non-contact power supply apparatus, charging apparatus, and battery apparatus

Non-contact type power charging apparatus

Power supply device

Non-contact type power receiver and non-contact type battery

Power charging apparatus and battery apparatus

Inverter with series connected gate driving circuits and voltage divider

Power semiconductor module

Flyback converter having auxiliary switch and auxiliary inductor

Multilayer electronic component and board having the same

Wireless power controller and wireless power transmitter using the same

Multilayer electronic component and board having the same

Wireless switch and method

Composite electronic component

Wireless signal transmitting apparatus and wireless illumination control apparatus using the same

Wireless power transmitter and method for controlling the same

Coil structure for wireless power transmissions and wireless power transmitter including the same

Power supplying apparatus with piezoelectric transformers

Piezoelectric energy harvester and wireless switch including the same

Piezoelectric energy harvester and wireless switch including the same

Wireless switch

Wireless charging device including a case part and a powerless supply part

Wireless power transmitter and wireless power transmission system

Wireless power receiver and electronic device including the same

Power factor correction apparatus and method for correcting power factor using the same

Power factor correction device

Power supply apparatus

Electronic component that operates stably over a range of temperatures and apparatus including the same

WITS CO LTD

Wireless power transmitter and method of controlling the same

Wireless power transmitter

Coil module and wireless power transmission device using the same

Wireless power receiving device and apparatus including the same

UNIV CALIFORNIA

Circuit for direct energy extraction from a charged-particle beam

KIM KWANG SOO

Heat dissipation system for power module

SMEDLEY KEYUE

Circuit for direct energy extraction from a charged-particle beam