Inventor

CHOI YOUNG-HWAN

US31 patents

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

CHOI YOUNG-HWAN

CHOI YOUNG HWAN

System for automatically cleaning boiler pipes

Instantaneous water heater having guide portion

Method of automatically cleaning boiler pipes

Hot water storage-type boiler having both heat amount proportional control function and backflow prevention function

Hot water boiler with vortex guide

Boiler with heating blower

Storage type electric water heater with hot air generating function

Hot water storage boiler having scale prevention function

ELECTRONICS & TELECOMMUNICATIONS RES INST

Apparatus and method for identifying interoperability between object identifier-based heterogeneous identifier nodes for next generation network

Method of defining interface identifier (IID) of IPv6 address and a communication device operating the same

Method of maintaining internet protocol (IP) connectivity in low power internet of things (IoT) communication device based on near field communication (NFC), and device operating the same

Method for transmission of IPv6 packets over near field communication (NFC) and device operating the same

NANOKEM CO LTD

Carbon monoxide leak alerting device and method

Gas and earthquake detector, gas and earthquake remote monitoring system using the same and method thereof

Apparatus and method for sensing water level

System and method for discharging carbon monoxide by using carbon monoxide leakage alarm device

SK HYNIX INC

Memory device and operating method of the memory device

Memory device and method of operating the same

Semiconductor memory device and operating method thereof

KITURAMI CO LTD

Boiler with gas sensing and earthquake sensing function and control method thereof

Control system and method for IoT boilers using central management server

Combined heat and power system with energy control module

SAMSUNG ELECTRONICS CO LTD

Voltage generator, voltage waveform generator, semiconductor device manufacturing apparatus, voltage waveform generation method, and semiconductor device manufacturing method

Designed waveform generator for semiconductor equipment, plasma processing apparatus, method of controlling plasma processing apparatus, and method of manufacturing semiconductor device

LG ELECTRONICS INC

Magnetometer using two squids

Plasma lighting bulb with metal provided in grooves formed on surface thereof

CORTES ANDRES

Umbrella scaffolding structure

CHOI YOUNG-HWAN

Tricycle

AIBE INC

Method for providing customized content and electronic device supporting the same

NANOKEM

Apparatus and method for detecting earthquake using accelerometer

DAESHIN MC CORP

Dust suction apparatus