Inventor
UDA TETSUYA
JP31 patents
⚠️ This page may combine multiple inventors who share the name “UDA TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
11 patentsUS7194210B2Mar 20, 2007
Wavelength division multiplexing optical transmission equipment and method of amplifying optical wavelength division multiplexed signals
HITACHI LTD10 citations82
US7116908B2Oct 3, 2006
Optical transmission system for substantially equalizing the output signal level among frequency bands and substantially lowering the signal-to-noise ratio
HITACHI LTD12 citations82
US7039272B2May 2, 2006
Optical transmission equipment with dispersion compensation, and dispersion compensating method
HITACHI LTD6 citations62
US7536110B2May 19, 2009
Optical transmission system for substantially equalizing the output signal level among frequency bands and substantially lowering the signal-to-noise ratio
HITACHI LTD3 citations61
US7391974B2Jun 24, 2008
Wavelength division multiplexing optical transmission equipment and method of amplifying optical wavelength division multiplexed signals
HITACHI LTD2 citations61
US6999230B2Feb 14, 2006
Optical transmission equipment for suppressing a four wave mixing and optical transmission system
HITACHI LTD2 citations58
US7809263B2Oct 5, 2010
Optical transmission apparatus and control method therefor
HITACHI LTD0 citations51
US7272325B2Sep 18, 2007
Optical transmission system for substantially equalizing the output signal level among frequency bands and substantially lowering the signal-to-noise ratio
HITACHI LTD0 citations51
US9030928B2May 12, 2015
Communication system, communication method and network management apparatus
HITACHI LTD1 citations50
US7064888B2Jun 20, 2006
Optical transmission equipment for suppressing a four wave mixing and optical transmission system
HITACHI LTD0 citations47
US9106523B2Aug 11, 2015
Communication device and method of controlling the same
HITACHI LTD0 citations40
HITACHI COMM TECH LTD
5 patentsUS7463829B2Dec 9, 2008
Optical transmission apparatus and control method therefor
HITACHI COMM TECH LTD15 citations92
US7554717B2Jun 30, 2009
Optical transmission device equipped with pluggable variable optical attenuator
HITACHI COMM TECH LTD2 citations62
US7435013B2Oct 14, 2008
Variable dispersion compensation equipment, optical transmission system using it and method of setting dispersion compensation quantity
HITACHI COMM TECH LTD2 citations62
US7218818B2May 15, 2007
Dispersion compensation device and dispersion compensation method
HITACHI COMM TECH LTD1 citations51
US7415177B2Aug 19, 2008
Dispersion compensation device and dispersion compensation method
HITACHI COMM TECH LTD0 citations41
SUMITOMO ELECTRIC INDUSTRIES
3 patentsUS9876248B2Jan 23, 2018
Solid electrolyte, method for manufacturing solid electrolyte, solid electrolyte laminate, method for manufacturing solid electrolyte laminate, and fuel cell
SUMITOMO ELECTRIC INDUSTRIES4 citations69
US10734665B2Aug 4, 2020
Method for producing cell structure
SUMITOMO ELECTRIC INDUSTRIES1 citations61
US10050295B2Aug 14, 2018
Solid electrolyte laminate, method for manufacturing solid electrolyte laminate, and fuel cell
SUMITOMO ELECTRIC INDUSTRIES0 citations52
IMOTO NORIKO
2 patentsUNIV KYOTO
2 patentsUS11545690B2Jan 3, 2023
Proton conductor, proton-conducting cell structure, water vapor electrolysis cell, and method for producing hydrogen electrode-solid electrolyte layer complex
UNIV KYOTO1 citations61
US11359298B2Jun 14, 2022
Method for producing titanium foil or titanium sheet, and cathode electrode
UNIV KYOTO0 citations48