Inventor

LEE HEYUNG SUB

KR28 patents

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

LEE HEYUNG SUB

KOREA ELECTRONICS TELECOMM

Node system, dual ring communication system using node system, and communication method thereof

Apparatus for implementing electro-optical CATV network and signal processing method used by the apparatus

Resource allocation method for providing load balancing and fairness for dual ring

Method and apparatus for determining communication path over network by using spanning tree and circuit detection

Digital broadcast system in passive optical network

Method for generating nodes in multiway search tree and search method using the same

Radio frequency identification (RFID) tag and method of updating key of RFID tag

LEE SANG YEOUN

Radio frequency identification (RFID) tag and interrogator for supporting normal mode and secure mode, and operation method thereof

Radio security leader controlling operation mode, and radio security tag supporting security mode and normal mode

Radio frequency identification (RFID) security apparatus having security function and method thereof

KIM HYUNSEOK

Method of generating activation code for radio frequency identification tag

Synchronization method between reader and tag

Semiconductor wafer and method for auto-calibrating integrated circuit chips using PLL at wafer level

SAMSUNG ELECTRONICS CO LTD

Method of making semiconductor devices having ohmic contact

Method for manufacturing poly-crystal sillicon having high resistance

SHIN DONG-BEOM

RFID security reader

RFID reader and method for controlling gain thereof

MYONG SEUNG IL

Multistage channel estimation method and apparatus

Apparatus and method for generating pseudo noise code

SHIN DONG BEOM

Total history management system and method using radio frequency identification (RFID) tag and barcode

MO SANG HYUN

System and method for indoor location tracking using pseudo GPS signal transmitter

ELECT & TELECOMM RESEARCH INST

Memory allocation method using multi-level partition

MO SANG-HYUN

Apparatus and method for locating RFID tag

LEE KANG BOK

Apparatus and method for managing product distribution using security tag

CHA JONG-SUB

Active RFID apparatus for improving PN code generation

MYONG SEUNG-IL

Parallel automatic frequency offset estimation method and apparatus

LEE KANG-BOK

RFID sensor tag and sensor data storing method

PARK HYUNG-RAE

Apparatus and method for transmitting packet data in wireless sensor network