Inventor

LEE DONG CHOON

KR6 patents

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

KOREA ELECTRONICS TELECOMM

3 patents

US5799001AAug 25, 1998

Composite network protective/recovering device for synchronous digital hierarchy DXC

KOREA ELECTRONICS TELECOMM21 citations88

US5983294ANov 9, 1999

Synchronous cross-connect system with the function of ring network interworking using backplane interconnection

KOREA ELECTRONICS TELECOMM18 citations82

US6545786B1Apr 8, 2003

Optical self-routing scheme with low optical loss and compact size

KOREA ELECTRONICS TELECOMM4 citations56

KOREA ELECTRIC POWER CORP

1 patent

US9692311B2Jun 27, 2017

High-voltage direct current converter including a 12-pulse diode recitifier connected in series with a voltage-source converter

KOREA ELECTRIC POWER CORP10 citations82

UNIV YEUNGNAM RES COOPERATION FOUNDATION

1 patent

US9722523B2Aug 1, 2017

Inverter vector driving system and method for estimating capacitance using the same

UNIV YEUNGNAM RES COOPERATION FOUNDATION7 citations76

HANVAL INC

1 patent

US11649414B2May 16, 2023

Synthetic vegetable oil and environmental-friendly flame-retardant hydraulic oil composition including the same, and preparation method thereof

HANVAL INC0 citations50