| Patent | Date |
|---|
System for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber
Grant 7,869,014 - Tadakuma , et al. January 11, 2 | 2011-01-11 |
Light source in optical transmission system, waveform shaper, optical pulse train generator and optical reproduction system
Grant 7,769,298 - Igarashi , et al. August 3, 2 | 2010-08-03 |
Light Source In Optical Transmission System, Waveform Shaper, Optical Pulse Train Generator And Optical Reproduction System
App 20090092400 - IGARASHI; Koji ; et al. | 2009-04-09 |
Light source in optical transmission system, waveform shaper, optical pulse train generator, and optical reproduction system
Grant 7,447,444 - Igarashi , et al. November 4, 2 | 2008-11-04 |
System For Measuring The Wavelength Dispersion And Nonlinear Coefficient Of An Optical Fiber
App 20080225276 - Tadakuma; Masateru ; et al. | 2008-09-18 |
System for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber
Grant 7,424,191 - Tadakuma , et al. September 9, 2 | 2008-09-09 |
Multi-frequency light source
Grant 7,408,701 - Aso , et al. August 5, 2 | 2008-08-05 |
System for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber
App 20070035722 - Tadakuma; Masateru ; et al. | 2007-02-15 |
Method for efficient four-wave mixing generation and short pulse generation equipment using the method
Grant 7,155,095 - Aso , et al. December 26, 2 | 2006-12-26 |
Method and system for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber, method of manufacturing optical fibers, method of measuring wavelength-dispersion distribution, method of compensating for measurement errors, and method of specifying conditions of measurement
Grant 7,146,085 - Tadakuma , et al. December 5, 2 | 2006-12-05 |
Multi-frequency light source
App 20060193032 - Aso; Osamu ; et al. | 2006-08-31 |
Wavelength converter and wavelength division multiplexing transmission method using the same
Grant 7,061,664 - Aso , et al. June 13, 2 | 2006-06-13 |
Multi-frequency light source
Grant 7,054,057 - Aso , et al. May 30, 2 | 2006-05-30 |
Method and system for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber, method of manufacturing optical fibers, method of measuring wavelength-dispersion distribution, method of compensating for measurement errors, and method of specifying conditions of measurement
Grant 7,003,202 - Tadakuma , et al. February 21, 2 | 2006-02-21 |
Method and system for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber, method of manufacturing optical fibers, method of measuring wavelength-dispersion distribution, method of compensating for measurement errors, and method of specifying conditions of measurement
App 20060029342 - Tadakuma; Masateru ; et al. | 2006-02-09 |
Light source in optical transmission system, waveform shaper, optical pulse train generator, and optical reproduction system
App 20060002715 - Igarashi; Koji ; et al. | 2006-01-05 |
Optical pulse generator
Grant 6,920,263 - Tadakuma , et al. July 19, 2 | 2005-07-19 |
Optical pulse waveform conversion
Grant 6,892,015 - Tadakuma , et al. May 10, 2 | 2005-05-10 |
Method and system for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber, method of manufacturing optical fibers, method of measuring wavelength-dispersion distribution, method of compensating for measurement errors, and method of specifying conditions of measurement
App 20050058417 - Tadakuma, Masateru ; et al. | 2005-03-17 |
Method and apparatus for wavelength conversion
Grant 6,831,775 - Matsushita , et al. December 14, 2 | 2004-12-14 |
Wavelength converter and wavelength division multiplexing transmission method using same
App 20040184807 - Aso, Osamu ; et al. | 2004-09-23 |
Wavelength converter and wavelength division multiplexing transmission method using same
Grant 6,665,113 - Aso , et al. December 16, 2 | 2003-12-16 |
Method for efficient four-wave mixing generation and short pulse generation equipment using the method
App 20030152346 - Aso, Osamu ; et al. | 2003-08-14 |
Multi-frequency light source
App 20030048503 - Aso, Osamu ; et al. | 2003-03-13 |
Optical pulse generator
App 20030012492 - Tadakuma, Masateru ; et al. | 2003-01-16 |
Method and apparatus for wavelength conversion
App 20020163689 - Matsushita, Shunichi ; et al. | 2002-11-07 |
Optical pulse waveform conversion
App 20020164135 - Tadakuma, Masateru ; et al. | 2002-11-07 |
Optical fiber type wide bandwidth wavelength converter and wavelength converting optical fiber used therefor
Grant 6,459,525 - Aso , et al. October 1, 2 | 2002-10-01 |
Wavelength converter and wavelength division multiplexing transmission method using same
App 20010007509 - Aso, Osamu ; et al. | 2001-07-12 |
Method and apparatus for measuring the polarization characteristics of optical transmission medium
Grant 5,965,874 - Aso , et al. October 12, 1 | 1999-10-12 |
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