P

Inventor

CHEONG BYUNG KI

KR20 patents
⚠️ This page may combine multiple inventors who share the name “CHEONG BYUNG KI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOREA INST SCI & TECH

15 patents
US7181114B2Feb 20, 2007

Waveguide type optical device using large third order non-linearity optical material and method for operating the same

KOREA INST SCI & TECH34 citations92
US6961300B2Nov 1, 2005

Optical recording medium having first and second super-resolution layers

KOREA INST SCI & TECH32 citations90
US9337422B2May 10, 2016

Chalcogenide switching device using germanium and selenium and manufacturing method thereof

KOREA INST SCI & TECH20 citations86
US7679954B2Mar 16, 2010

Phase change memory apparatus having an improved cycling endurance and programming method therefor

KOREA INST SCI & TECH15 citations83
US6670016B1Dec 30, 2003

High density optical information recording medium

KOREA INST SCI & TECH19 citations80
US7632456B2Dec 15, 2009

Phase change material for high density non-volatile memory

KOREA INST SCI & TECH7 citations71
US7940637B2May 10, 2011

Optical recording medium having super-resolution structure for improvement of reproducing stability and noise characteristic in low frequency band

KOREA INST SCI & TECH2 citations62
US7851778B2Dec 14, 2010

Non-volatile electrical phase change memory device comprising interfacial control layer and method for the preparation thereof

KOREA INST SCI & TECH4 citations62
US11544541B2Jan 3, 2023

Artificial neuron device using ovonic threshold switch, artificial neuron chip and user apparatus including the same

KOREA INST SCI & TECH0 citations61
US7851828B2Dec 14, 2010

Phase change memory cell with transparent conducting oxide for electrode contact material

KOREA INST SCI & TECH0 citations52
US10292586B2May 21, 2019

Non-invasive health indicator monitoring system and using method thereof

KOREA INST SCI & TECH0 citations51
US8785230B2Jul 22, 2014

Localized surface plasmon resonance sensor using chalcogenide materials and method for manufacturing the same

KOREA INST SCI & TECH0 citations51
US7906195B2Mar 15, 2011

Super-resolution material and high density optical information storage medium using same

KOREA INST SCI & TECH0 citations51
US6753059B2Jun 22, 2004

Optical recording material and optical recording medium using same

KOREA INST SCI & TECH0 citations51
US7758941B2Jul 20, 2010

Optical data storage medium with super resolution layer

KOREA INST SCI & TECH0 citations41

UNIV CARNEGIE MELLON

2 patents

SEOUL NAT UNIV IND FOUNDATION

1 patent

LEE SU YOUN

1 patent

LEE KYEONG SEOK

1 patent