Jeong-Hun Shin

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Taegukwangyok-shi, KR

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Patents Grantslast 30 patents

Information Patent Grant
Bi-directional optical-amplifier module
- Patent number 6,894,830
- Issue date May 17, 2005
- Samsung Electronics Co, Ltd.
- Chang-Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional add/drop multiplexer and bidirectional add/drop ampli...
- Patent number 6,832,017
- Issue date Dec 14, 2004
- Samsung Electronics Co., Ltd.
- Chang Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wide band optical amplifier
- Patent number 6,775,058
- Issue date Aug 10, 2004
- Korea Advanced Institute of Science and Technology
- Chang Hee Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Automatic retrieval of wavelength-division multiplexed ring networks
- Patent number 6,735,391
- Issue date May 11, 2004
- Korea Advanced Institute of Science and Technology
- Chang Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bi-Directional add/drop multiplexer and bidirectional add/drop ampl...
- Patent number 6,529,656
- Issue date Mar 4, 2003
- Samsung Electronics Co. Ltd.
- Chang Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Wide band optical amplifier
- Publication number 20020149843
- Publication date Oct 17, 2002
- Chang Hee Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Bi-directional optical-amplifier module
- Publication number 20020118446
- Publication date Aug 29, 2002
- Chang-Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bidirectional add/drop multiplexer and bidirectional add/ drop ampl...
- Publication number 20020039212
- Publication date Apr 4, 2002
- Chang Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for embodying non-reciprocal optical wavelength filter and t...
- Publication number 20020018286
- Publication date Feb 14, 2002
- Chang Hee Lee
- G02 - OPTICS
Information Patent Application
Automatic retrieval of wavelength-division multiplexed ring networks
- Publication number 20010038472
- Publication date Nov 8, 2001
- Chang Hee Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bidirectional add/drop multiplexer and bidirectional add/drop ampli...
- Publication number 20010028757
- Publication date Oct 11, 2001
- Chang Hee Lee
- G02 - OPTICS