Inventor · disambiguated record
Yukio Horiuchi
Also filed as: HORIUCHI YUKIO
27 granted patents·3 pending applications·617 citations·filing 1989–2009
97Inventor score
Files withKOKUSAI DENSHIN DENWA CO LTD13KDD CORP3KDDI CORP3KDDI SUBMARINE CABLE SYS INC3MITSUBISHI ELECTRIC CORP3
Top patents by PatentIndex Score
30 records- 0190US5406368AMethod and apparatus for chromatic dispersion measurementsKOKUSAI DENSHIN DENWA CO LTD·Filed 1993·Granted Apr 11, 1995·73 cites·3 claims
- 0285US6185020B1Apparatus for detecting a fault location in an optical fiber lineKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Feb 6, 2001·50 cites·13 claims
- 0384US6594003B1Measuring system of transmission characteristicsKDD CORP·Filed 2000·Granted Jul 15, 2003·28 cites·13 claims
- 0482US4984884AMethod for measuring dispersion characteristics of an optical fiberKOKUSAI DENSHIN DENWA CO LTD·Filed 1989·Granted Jan 15, 1991·40 cites·3 claims
- 0577US5138621APumping light source drive system for an optical amplifierKOKUSAI DENSHIN DENWA CO LTD·Filed 1991·Granted Aug 11, 1992·36 cites·12 claims
- 0676US7551854B2Method to provide caller's location in IP phone system, optical transmission system, optical connector, and optical network unitKDDI CORP·Filed 2005·Granted Jun 23, 2009·6 cites·14 claims
- 0775US6160649AOptical power measuring system terminal station and repeater thereforKOKUSAI DENSHIN DENWA CO LTD·Filed 1998·Granted Dec 12, 2000·52 cites·36 claims
- 0873US6556325B1Optical repeater monitoring system and a method thereofKDD CORP·Filed 2000·Granted Apr 29, 2003·14 cites·34 claims
- 0971US5463461ACoherent optical receiver having optically amplified local oscillator signalKOKUSAI DENSHIN DENWA CO LTD·Filed 1995·Granted Oct 31, 1995·45 cites·14 claims
- 1070US6804469B2Supervisory system of optical amplifier repeater system and supervisory method of optical amplifier repeater systemMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Oct 12, 2004·13 cites·8 claims
- 1167US7142787B2Optical data transmission method and its system, optical transmitter and its method, and optical switcherKDDI CORP·Filed 2001·Granted Nov 28, 2006·11 cites·8 claims
- 1266US6188508B1Control signal superimposerKDD CORP·Filed 1999·Granted Feb 13, 2001·35 cites·13 claims
- 1366US5790294ALine monitoring method and line monitoring apparatusKUKUSAI DENSHIN DENWA KABUSHIK·Filed 1996·Granted Aug 4, 1998·41 cites·11 claims
- 1462US6614588B1Optical amplifier having various control circuitryMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Sep 2, 2003·6 cites·17 claims
- 1562US5898502AOptical wavelength monitoring apparatusKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Apr 27, 1999·28 cites·20 claims
- 1661US8126333B2Optical transmission system and synchronization method using time reference pulseHORIUCHI YUKIO·Filed 2009·Granted Feb 28, 2012·3 cites·24 claims
- 1760US5903375ASurveillance method of optical communication lineKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted May 11, 1999·28 cites·2 claims
- 1860US5726789AMethod and device for modulating optical short pulsesKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Mar 10, 1998·29 cites·4 claims
- 1958US7130544B2Optical repeating system and optical amplifying repeater control methodKDDI SUBMARINE CABLE SYS INC·Filed 2002·Granted Oct 31, 2006·6 cites·7 claims
- 2057US7310315B2Node judging method, communication system, and node measuring apparatusKDDI CORP·Filed 2002·Granted Dec 18, 2007·4 cites·10 claims
- 2156US7158728B2Optical repeating system and optical amplifying repeater control methodKDDI SUBMARINE CABLE SYS INC·Filed 2002·Granted Jan 2, 2007·5 cites·3 claims
- 2255US5771255ALaser light generatorKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Jun 23, 1998·21 cites·14 claims
- 2349US6201599B1Optical transmission line monitoring apparatusKOKUSAI DENSHIN DENWA CO LTD·Filed 1998·Granted Mar 13, 2001·17 cites·3 claims
- 2448US6914718B2Optical repeating system and optical amplifying repeater control methodKDDI SUBMARINE CABLE SYS INC·Filed 2002·Granted Jul 5, 2005·2 cites·3 claims
- 2546US2008279555A1Method to Provide Caller's Location in IP Phone System, Optical Transmission System, Optical Connector, and Optical Network UnitHORIUCHI YUKIO·Filed 2008·Application pending·0 cites
- 2645US6867908B2Optical amplifier having various control circuitryMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Mar 15, 2005·0 cites·3 claims
- 2744US5539557ASupervisory signal receiving method and apparatusKOKUSAI DENSHIN DENWA CO LTD·Filed 1994·Granted Jul 23, 1996·13 cites·3 claims
- 2841US5877878ASurveillance method of optical amplifier-repeater transmission systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Mar 2, 1999·11 cites·8 claims
- 2940US2003118280A1Optical Transmission systemFiled 2002·Application pending·0 cites
- 3040US2002063925A1Broadcast type optical network system using loop shaped optical networksFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →