Inventor · disambiguated record
Hideaki Sugiya
Also filed as: SUGIYA HIDEAKI
19 granted patents·7 pending applications·345 citations·filing 1995–2015
95Inventor score
Top patents by PatentIndex Score
26 records- 0197US5664131ALight amplifierFUJITSU LTD·Filed 1995·Granted Sep 2, 1997·162 cites·18 claims
- 0291US7813642B2Optical transmission apparatus and method of controlling the sameFUJITSU LTD·Filed 2007·Granted Oct 12, 2010·16 cites·12 claims
- 0384US6304371B1Optical amplifier and an optical amplification methodFUJITSU LTD·Filed 2000·Granted Oct 16, 2001·16 cites·27 claims
- 0482US7843631B2Gain control apparatus, optical transmission apparatus, gain control method for optical amplifier, and wavelength multiplex optical transmission systemFUJITSU LTD·Filed 2007·Granted Nov 30, 2010·9 cites·14 claims
- 0577US7430372B2Optical transmission systemFUJITSU LTD·Filed 2005·Granted Sep 30, 2008·8 cites·12 claims
- 0677US5859725AOptical power monitor and optical amplifier having the optical power monitorFUJITSU LTD·Filed 1997·Granted Jan 12, 1999·57 cites·33 claims
- 0773US7466478B2Optical-level control method, optical-level control apparatus and wavelength-multiplexing optical networkFUJITSU LTD·Filed 2005·Granted Dec 16, 2008·6 cites·5 claims
- 0871US7551857B2Optical transmission systemFUJITSU LTD·Filed 2005·Granted Jun 23, 2009·6 cites·3 claims
- 0970US8180219B2Providing signal reachability information to a networkBARDALAI SNIGDHO C·Filed 2008·Granted May 15, 2012·6 cites·17 claims
- 1069US7139120B2Optical amplifier with variable gain equalizationFUJITSU LTD·Filed 2003·Granted Nov 21, 2006·11 cites·19 claims
- 1166US9438275B2Transmission apparatus and transmission methodFUJITSU LTD·Filed 2013·Granted Sep 6, 2016·3 cites·10 claims
- 1265US8195052B2Optical wavelength multiplexing system, optical wavelength multiplexing method, and computer productOHTOU MAKOTO·Filed 2007·Granted Jun 5, 2012·4 cites·9 claims
- 1362US6118576AOptical amplifier and an optical amplification methodFUJITSU LTD·Filed 1997·Granted Sep 12, 2000·22 cites·24 claims
- 1461US9419709B2Transmission device and method for measuring delayFUJITSU LTD·Filed 2012·Granted Aug 16, 2016·1 cites·17 claims
- 1559US8331787B2Optical transmitting apparatus and optical multiplexing unitNOMA TAKESHI·Filed 2009·Granted Dec 11, 2012·2 cites·7 claims
- 1656US7554720B2Optical transmission apparatus with automatic gain control and automatic level control mode selectionFUJITSU LTD·Filed 2006·Granted Jun 30, 2009·1 cites·10 claims
- 1752US5912760ALight amplifierFUJITSU LTD·Filed 1997·Granted Jun 15, 1999·14 cites·11 claims
- 1849US6373624B1Optical amplifier and an optical amplification methodFUJITSU LTD·Filed 2001·Granted Apr 16, 2002·1 cites·18 claims
- 1946US2010129079A1Optical wdm transmission apparatus and optical wdm transmission methodFUJITSU LTD·Filed 2009·Application pending·0 cites
- 2043US2008056726A1Dispersion compensation apparatus and dispersion compensation methodFUJITSU LTD·Filed 2007·Application pending·0 cites
- 2142US2009116833A1Optical wavelength multiplexed transmission apparatusFUJITSU LTD·Filed 2008·Application pending·0 cites
- 2238US2007047960A1Method and apparatus for controlling level of each signal included in wavelength-multiplexed signalFUJITSU LTD·Filed 2006·Application pending·0 cites
- 2337USRE44881EOptical amplifier and an optical amplification methodSUGIYA HIDEAKI·Filed 2003·Granted May 6, 2014·0 cites·51 claims
- 2437US2011081146A1Optical monitor deviceFUJITSU LTD·Filed 2010·Application pending·0 cites
- 2535US2015365223A1Transmission device and delay measurement methodFUJITSU LTD·Filed 2015·Application pending·0 cites
- 2633US2012315033A1Optical communication deviceSUGIYA HIDEAKI·Filed 2012·Application pending·0 cites
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