Inventor

LEE CHANG-SEOK

KR60 patents

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

LEE CHANG-SEOK

SAMSUNG ELECTRO MECH

Light emitting diode driving apparatus

Infrared image sensor

Light emitting diode driving apparatus and light emitting diode lighting apparatus

Frequency tuning and direct current offset canceling circuit for continuous-time analog filter with time divided

Method for compensating performance degradation of RFIC using EM simulation

Current mode logic-CMOS converter

Device and method for generating chaotic signal

Position sensing circuit and position control device with differential sensing structure

Actuator of camera module

PWM control circuit, flyback converter and method for controlling PWM

Gate driver

Light emitting diode driving apparatus

Voltage control circuit for dimmer and dimming method using the same

KOREA ELECTRONICS TELECOMM

Gain control circuit for low-noise amplifier

Gaas power amplifier for analog/digital dual-mode cellular phones

Gate voltage control circuit of a power amplifier

Gain controlled amplifier

Semiconductor device having a decoding circuit for selection chips

Equivalent circuit of package ground terminal paddle

Low noise amplifier in monolithic integrated circuit

Switch circuit for monolithic microwave integrated circuit device

Bias stabilization circuit

Method for correcting a high frequency measurement error

SAMSUNG ELECTRONICS CO LTD

Method and apparatus for self-calibration in a mobile transceiver

Cleaning robot, home monitoring apparatus, and method for controlling the cleaning robot

Self-calibration method for use in a mobile transceiver

Semiconductor devices and methods of fabricating the same

Plasma deposition method, plasma deposition apparatus and method of manufacturing semiconductor device

Impulse generator for outputting negative and positive impulses

Impulse generation circuit

Analog correlator for very high speed data communication

CHO CHAE HWAN

Method for measuring position using a positioning access point, and device, system, and access point for same

Positioning device of mobile communication terminal, method for constructing wireless LAN information of device, positioning server of mobile communication terminal, and method for driving server

Method and device for estimating AP position using a map of a wireless LAN radio environment

Location positioning method and device using wireless LAN signals

AMOREPACIFIC CORP

Benzoic acid amide compound

Method for predicting side effect of whitening ingredient

SHIN YOUNG-SHIK

Method and system for wireless charging using radio wave

NAT UNIV HANBAT INDUSTRY

Apparatus and method for detecting I/Q channel imbalance in direct conversion digital quadrature transmission system

HWANG JONG TAE

Light emitting diode driving apparatus

SK TELECOM CO LTD

Location and state information providing/inquiring system using WLAN/WPAN communication, log information providing/inquiring system and method, service server and customer terminal, location and state providing/inquiring method

PARK DEUK HEE

Light emitting diode driving apparatus

JOO YUNG HYUP

Benzoic acid amide compound

LG LIFE SCIENCES LTD

Dipeptidyl Peptidase-IV inhibiting compounds, method of preparing the same, and pharmaceutical compositions containing the same as an active agent

LG CHEMICAL LTD

Biaryl derivative as GPR120 agonist

UNIV IND & ACAD COLLABORATION

Use of TRIM72 as a target for muscle and heart enhancer

INTEGRIT INC

System for providing shared contents service using remote controlling of shared autonomous device

KANG SUK YON

Method and device for discriminating positioning error using wireless LAN signal

BAEK SEUNG YOON

Location and state information providing/inquiring system using WLAN/WPAN communication, log information providing/inquiring system and method, service server and customer terminal, location and state providing/inquiring method

SOLUM CO LTD

Start-up circuit and power device using the same