Membership
Tour
Register
Log in
Keum Cheol Kwak
Follow
Person
Seoul, KR
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Super resolution optical disc
Patent number
7,651,752
Issue date
Jan 26, 2010
LG Electronics Inc.
Kun Ho Ahn
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi-layer super resolution optical disc
Patent number
7,534,480
Issue date
May 19, 2009
LG Electronics Inc.
Kun Ho Ahn
G11 - INFORMATION STORAGE
Information
Patent Grant
Technologies for measuring thickness of an optical disc
Patent number
7,248,372
Issue date
Jul 24, 2007
LG Electronics, Inc.
Seong Yun Jeong
G11 - INFORMATION STORAGE
Information
Patent Grant
Super resolution optical disc
Patent number
7,232,598
Issue date
Jun 19, 2007
LG Electronics Inc.
Kun Ho Ahn
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus and method for testing mechanical endurance of a surface...
Patent number
7,188,510
Issue date
Mar 13, 2007
LG Electronics Inc.
Hun Seo
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for measuring thickness of an optical disc
Patent number
7,145,662
Issue date
Dec 5, 2006
LG Electronics, Inc.
Seong Yun Jeong
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus and method for testing mechanical endurance of a surface...
Patent number
6,874,350
Issue date
Apr 5, 2005
LG Electronics Inc.
Hun Seo
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Technologies for measuring thickness of an optical disc
Publication number
20070008549
Publication date
Jan 11, 2007
LG Electronics, Inc.
Seong Yun Jeong
G01 - MEASURING TESTING
Information
Patent Application
Apparatus and method for testing endurance of optical disc
Publication number
20060272388
Publication date
Dec 7, 2006
Jin Hong Kim
G01 - MEASURING TESTING
Information
Patent Application
Multi-layer super resolution optical disc
Publication number
20050259563
Publication date
Nov 24, 2005
LG ELECTRONICS
Kun Ho Ahn
G11 - INFORMATION STORAGE
Information
Patent Application
Super resolution optical disc
Publication number
20050259564
Publication date
Nov 24, 2005
Kun Ho Ahn
G11 - INFORMATION STORAGE
Information
Patent Application
Super resolution optical disc
Publication number
20050170133
Publication date
Aug 4, 2005
LG Electronics Inc.
Kun Ho Ahn
G11 - INFORMATION STORAGE
Information
Patent Application
Recording method for a phase change optical disc
Publication number
20050094529
Publication date
May 5, 2005
LG ELECTRONICS INC.
Kwang Lyul Lee
G11 - INFORMATION STORAGE
Information
Patent Application
Apparatus and method for testing mechanical endurance of a surface...
Publication number
20050044926
Publication date
Mar 3, 2005
Hun Seo
G01 - MEASURING TESTING
Information
Patent Application
Apparatus and method for testing endurance of optical disc
Publication number
20040226350
Publication date
Nov 18, 2004
Jin Hong Kim
G01 - MEASURING TESTING
Information
Patent Application
Apparatus and method for testing mechanical endurance of a surface...
Publication number
20040182169
Publication date
Sep 23, 2004
Hun Seo
G01 - MEASURING TESTING