Inventor

NA WON-SAN

KR19 patents

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

NA WON-SAN

AMOSENSE CO LTD

LED lamp using switching circuit

Magnetic induction power supply device

Electromagnetic-inductive power supply apparatus

Electromagnetic inductive power supply apparatus

Electronic meter

Current transformer module and power supply device including the same

Method for manufacturing a core for a current transformer

Wireless power transmission apparatus

Apparatus and method for controlling output of skin care device

Skin care device and control method therefor

Apparatus and method for diagnosing failure of electromagnetic-inductive power supply apparatus

PTC unit for vehicle heater and PTC heater including the same

Core for current transformer

Rear lamp module for vehicle and rear combination lamp having same

Manhole cover and manhole management system using the same

Wireless power transfer antenna core and wireless power transfer module including same

AMOGREENTECH CO LTD

Wireless headphone having built-in flexible battery

Heating element having fuse function and heater unit comprising same

HYUNDAI MOTOR CO LTD

Detachable seat wireless power transfer and communication system