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Bi-directional optical communication method and multi-core optical fiber
Grant 9,244,217 - Sasaoka , et al. January 26, 2 | 2016-01-26 |
Bi-directional Optical Communication Method And Multi-core Optical Fiber
App 20130129292 - SASAOKA; Eisuke ; et al. | 2013-05-23 |
Optical transmission system
Grant 7,330,302 - Miyamoto , et al. February 12, 2 | 2008-02-12 |
Fluorescence glass, optical wave guide for optical amplifier and optical amplifier module
Grant 7,170,674 - Kakui , et al. January 30, 2 | 2007-01-30 |
Optical communication system
Grant 7,139,483 - Murase , et al. November 21, 2 | 2006-11-21 |
Optical component, optical amplification module, and optical transmission system
Grant 7,027,215 - Hatayama , et al. April 11, 2 | 2006-04-11 |
Optical amplifier and optical amplification method
Grant 6,952,309 - Tsuzaki , et al. October 4, 2 | 2005-10-04 |
Optical device, optical module, optical amplifier, and optical transmission system
Grant 6,898,002 - Shigematsu , et al. May 24, 2 | 2005-05-24 |
Optical transmission system
App 20040246566 - Miyamoto, Toshiyuki ; et al. | 2004-12-09 |
Fluorescent glass, optical amplification waveguide and optical amplification module
App 20040233514 - Takagi, Masahiro ; et al. | 2004-11-25 |
Fluorescence glass, optical wave guide for optical amplifier and optical amplifier module
App 20040223211 - Kakui, Motoki ; et al. | 2004-11-11 |
Optical filter and optical amplifier using the same
App 20040120640 - Hatayama, Hitoshi ; et al. | 2004-06-24 |
Optical communication system
App 20040081461 - Murase, Toru ; et al. | 2004-04-29 |
Optical component, optical amplification module, and optical transmission system
App 20040047022 - Hatayama, Hitoshi ; et al. | 2004-03-11 |
Optical transmission system and optical amplification method
App 20040032640 - Miyamoto, Toshiyuki ; et al. | 2004-02-19 |
Optical transmission system
App 20040028416 - Miyamoto, Toshiyuki ; et al. | 2004-02-12 |
Semiconductor optical device and method of manufacturing the same
Grant 6,625,187 - Ikoma , et al. September 23, 2 | 2003-09-23 |
Grating device, light source unit, and optical system
App 20030161582 - Shigematsu, Masayuki | 2003-08-28 |
Optical device, optical module, optical amplifier, and optical transmission system
App 20030053197 - Shigematsu, Masayuki ; et al. | 2003-03-20 |
Laser light source and manufacturing method therefor
Grant 6,415,078 - Shigehara , et al. July 2, 2 | 2002-07-02 |
Optical fiber diffraction grating, a method of fabricating thereof and a laser light source
Grant 6,067,392 - Wakami , et al. May 23, 2 | 2000-05-23 |
Chromatic dispersion compensator and chromatic dispersion compensating optical communication system
Grant 6,055,081 - Koyano , et al. April 25, 2 | 2000-04-25 |
Optical fiber amplifier
Grant 5,835,259 - Kakui , et al. November 10, 1 | 1998-11-10 |
Optical fiber amplifier
Grant 5,742,427 - Kakui , et al. April 21, 1 | 1998-04-21 |
Optical fiber amplifier and optical amplifier repeater
Grant 5,721,635 - Shigematsu , et al. February 24, 1 | 1998-02-24 |
Chromatic dispersion compensator and chromatic dispersion compensating optical communication system
Grant 5,701,188 - Shigematsu , et al. December 23, 1 | 1997-12-23 |
Optical fiber dispersion compensation device for optical communication system
Grant 5,680,491 - Shigematsu , et al. October 21, 1 | 1997-10-21 |
Optical fiber amplifier and optical amplifier repeater
Grant 5,640,269 - Shigematsu , et al. June 17, 1 | 1997-06-17 |
Optical communication system including dispersion compensating optical fibers
Grant 5,430,822 - Shigematsu , et al. July 4, 1 | 1995-07-04 |
Optical isolator
Grant 5,381,261 - Hirai , et al. January 10, 1 | 1995-01-10 |
Method for manufacturing a fiber type coupler
Grant 5,167,685 - Fukuma , et al. December 1, 1 | 1992-12-01 |
Optical transmission line for use in an optical communication system
Grant 5,077,814 - Shigematsu , et al. December 31, 1 | 1991-12-31 |
Method for manufacturing a fiber type coupler
Grant 5,046,804 - Fukuma , et al. September 10, 1 | 1991-09-10 |
Optical fiber core collator
Grant 4,848,872 - Shigematsu , et al. July 18, 1 | 1989-07-18 |
Glass preform for dispersion shifted single mode optical fiber and method for the production of the same
Grant 4,822,399 - Kanamori , et al. April 18, 1 | 1989-04-18 |
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