Inventor

CHOI SUNG-HWAN

KR39 patents

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

CHOI SUNG-HWAN

CHOI SUNG HWAN

Method of manufacturing heat exchanger pipe

Heat exchanger pipe, method of manufacturing heat exchanger pipe, heat exchanger fin, elliptical heat exchanger pipe, and hot water storage type heat exchanger having elliptical heat exchanger pipe

Boiler for making hot water and room heating water available simultaneously

Wavy smoke tube structure of boiler

Thin film transistor and method for fabricating thin film transistor

CHOI SUNG-HWAN

Boiler

Method and apparatus for predicting user preference

Adhesive tape for manufacturing electronic components

SAMSUNG DISPLAY CO LTD

TFT array substrate and display device including the same

TFT array substrate, display device including the same, and method of manufacturing the same

Display apparatus and method of manufacturing the same

SAMSUNG ELECTRONICS CO LTD

Wafer transfer system

Method of displaying wallpaper and apparatus for displaying wallpaper

CHOE YUN-JU

Method and apparatus for constructing user profile using content tag, and method for content recommendation using the constructed user profile

Method and apparatus for constructing user profile using content tag, and method for content recommendation using the constructed user profile

KITURAMI BOILER CO LTD

U-bend pipe type heat exchanger

High-efficiency plate type heat exchanger

SNU R&DB FOUNDATION

Thin film transistor and manufacturing method thereof

Manufacturing method of thin film transistor

HYUNDAI MOTOR CO LTD

Method of computing statistical vehicle data using mobile terminal and apparatus for performing the same

Coolant control module

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

LG ELECTRONICS INC

Method for monitoring and controlling autonomous vehicle

Method for providing transportation service using autonomous vehicle

KEVINLAB CO

Method of managing data

Control method for air conditioning of interior space based on mode selection

LEE SOO-WOONG

Method of controlling pressure in a wafer transfer system

PROTEC CO LTD

Method of forming electromagnetic interference shielding layer of ball grid array semiconductor package and base tape for the method

INDUSTRY-ACADEMIC COOPERATION FOUNDATION YONSEI UNIV

Content retargeting method and apparatus

JANG JEONG-ROK

Method and appartus for adaptively updating recommend user group

HASS CORP

Glass ionomer cement compostion for dental purposes and method for preparing the same

PROTEC LIFE & HEALTH CO LTD

Portable urine analysis device

NANOKEM CO LTD

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

RES INST IND SCIENCE & TECH

Cathode current collector for solid oxide fuel cell, and solid oxide fuel cell comprising same

CHOI JIN MIN

Heat exchanger

ILJIN PLANT SERVICE CO LTD

Polysilicon manufacturing device

SAMSUNG SDS CO LTD

Infrastructure diagnostic system and method

NA JIN WOOK

Lens injection mold