Ju-Chang Han

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Gumi-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber for metro network
- Patent number 7,305,165
- Issue date Dec 4, 2007
- Samsung Electronics Co., Ltd.
- Ju-Chang Han
- G02 - OPTICS
Information Patent Grant
Optical fiber for long-distance optical communication network
- Patent number 7,120,341
- Issue date Oct 10, 2006
- Samsung Electronics Co., Ltd.
- Sung-Koog Oh
- G02 - OPTICS
Information Patent Grant
Optical fiber for metro network
- Patent number 7,116,876
- Issue date Oct 3, 2006
- Samsung Electronics Co., Ltd.
- Yun-Geun Jang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wide-band dispersion controlled optical fiber
- Patent number 7,003,205
- Issue date Feb 21, 2006
- Samsung Electronics Co., Ltd.
- Jeong-Sik Cho
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dispersion-controlled optical fiber
- Patent number 6,999,667
- Issue date Feb 14, 2006
- Samsung Electronics Co., Ltd.
- Yun-Geun Jang
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical fiber for metro network
- Publication number 20050265676
- Publication date Dec 1, 2005
- Ju-Chang Han
- G02 - OPTICS
Information Patent Application
Optical fiber for long-distance optical communication network
- Publication number 20050254766
- Publication date Nov 17, 2005
- Sung-Koog Oh
- G02 - OPTICS
Information Patent Application
Optical fiber for metro network
- Publication number 20050175303
- Publication date Aug 11, 2005
- Yun-Geun Jang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wide-band dispersion controlled optical fiber
- Publication number 20040141705
- Publication date Jul 22, 2004
- Jeong-Sik Cho
- G02 - OPTICS
Information Patent Application
Dispersion-controlled optical fiber
- Publication number 20030190128
- Publication date Oct 9, 2003
- Yun-Geun Jang
- G02 - OPTICS