Membership
Tour
Register
Log in
Woon Jin Chung
Follow
Person
Seoul, KR
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Absorbing member storing apparatus
Patent number
11,230,423
Issue date
Jan 25, 2022
QNQPHARM CO., LTD.
Woon Jin Chung
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Gain-clamped optical amplifying apparatus using fiber Raman amplifi...
Patent number
8,077,382
Issue date
Dec 13, 2011
Electronics and Telecommunications Research Institute
Hong Seok Seo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Amplified spontaneous emission reflector-based gain-clamped fiber a...
Patent number
7,738,165
Issue date
Jun 15, 2010
Electronics and Telecommunications Research Institute
Joon Tae Ahn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tellurite glass composite, optical waveguide and optical amplifier...
Patent number
7,551,348
Issue date
Jun 23, 2009
Electronics and Telecommunications Research Institute
Woon Jin Chung
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Amplified spontaneous emission reflector-based gain-clamped fiber a...
Patent number
7,511,881
Issue date
Mar 31, 2009
Electronics and Telecommunications Research Institute
Joon Tae Ahn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical fiber
Patent number
7,440,165
Issue date
Oct 21, 2008
Electronics and Telecommunications Research Institute
Hong Seok Seo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Gain-clamped fiber amplifier
Patent number
7,133,195
Issue date
Nov 7, 2006
Electronics and Telecommunications Research Institute
Joon Tae Ahn
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
ABSORBING MEMBER STORING APPARATUS
Publication number
20200062485
Publication date
Feb 27, 2020
QNQPHARM CO., LTD.
Woon Jin CHUNG
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
AMPLIFIED SPONTANEOUS EMISSION REFLECTOR-BASED GAIN-CLAMPED FIBER A...
Publication number
20090147350
Publication date
Jun 11, 2009
Joon Tae AHN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GAIN-CLAMPED OPTICAL AMPLIFYING APPARATUS USING FIBER RAMAN AMPLIFI...
Publication number
20090046353
Publication date
Feb 19, 2009
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Hong-Seok SEO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
All-fiber laser device for mid-infrared wavelength band
Publication number
20070133625
Publication date
Jun 14, 2007
Joon Tae Ahn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Mid-infrared raman fiber laser system
Publication number
20070133626
Publication date
Jun 14, 2007
Electronics and Telecommunications Research Institute.
Joon Tae Ahn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Organic-inorganic hybrid nanocomposite thin films for high-powered...
Publication number
20070096078
Publication date
May 3, 2007
Myung Hyun Lee
B82 - NANO-TECHNOLOGY
Information
Patent Application
Tellurite glass composite, optical waveguide and optical amplifier...
Publication number
20070002431
Publication date
Jan 4, 2007
Woon Jin Chung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Gain-clamped fiber amplifier
Publication number
20060126164
Publication date
Jun 15, 2006
Electronics and Telecommunications Research Institute.
Joon Tae Ahn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical fiber
Publication number
20060126161
Publication date
Jun 15, 2006
Hong Seok Seo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Amplified spontaneous emission reflector-based gain-clamped fiber a...
Publication number
20060082865
Publication date
Apr 20, 2006
Joon Tae Ahn
H01 - BASIC ELECTRIC ELEMENTS