Inventor · disambiguated record
Shiro Ryu
Also filed as: RYU SHIRO
16 granted patents·1 pending application·393 citations·filing 1988–2024
94Inventor score
Top patents by PatentIndex Score
17 records- 0185US6185020B1Apparatus for detecting a fault location in an optical fiber lineKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Feb 6, 2001·50 cites·13 claims
- 0282US5793512AOptical communication systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Aug 11, 1998·73 cites·14 claims
- 0382US4984884AMethod for measuring dispersion characteristics of an optical fiberKOKUSAI DENSHIN DENWA CO LTD·Filed 1989·Granted Jan 15, 1991·40 cites·3 claims
- 0472US5940197AOptical add-drop deviceKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Aug 17, 1999·40 cites·9 claims
- 0571US5463461ACoherent optical receiver having optically amplified local oscillator signalKOKUSAI DENSHIN DENWA CO LTD·Filed 1995·Granted Oct 31, 1995·45 cites·14 claims
- 0669US12375178B2Control device, compensation device, program, and control methodUNIV MEIJI·Filed 2024·Granted Jul 29, 2025·0 cites·20 claims
- 0769US4977564AController for semiconductor laser light sourceKOKUSAI DENSHIN DENWA CO LTD·Filed 1989·Granted Dec 11, 1990·20 cites·4 claims
- 0864US5387992AOptical frequency multiplex carrier control systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1993·Granted Feb 7, 1995·34 cites·1 claims
- 0957US12341555B2Detection device, optical reception device, optical communication system, program, and detection methodUNIV MEIJI·Filed 2024·Granted Jun 24, 2025·0 cites·18 claims
- 1057US6493074B1Method and apparatus for measuring an optical transfer characteristicADVANTEST CORP·Filed 2000·Granted Dec 10, 2002·8 cites·12 claims
- 1157US5898719AOptical frequency stabilizerKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Apr 27, 1999·21 cites·14 claims
- 1253US4888817APolarization diversity light receiving system using baseband combiningKOKUSAI DENSHIN DENWA CO LTD·Filed 1988·Granted Dec 19, 1989·17 cites·3 claims
- 1349US6201599B1Optical transmission line monitoring apparatusKOKUSAI DENSHIN DENWA CO LTD·Filed 1998·Granted Mar 13, 2001·17 cites·3 claims
- 1440US5317382AOptical phase detection method with orthogonal polarization and phase compensation arrangementKOKUSAI DENSHI DENWA COMPANY L·Filed 1991·Granted May 31, 1994·14 cites·11 claims
- 1540US5140452ALong-distance high-speed optical communication schemeKOKUSAI DENSHIN DENWA CO LTD·Filed 1991·Granted Aug 18, 1992·10 cites·7 claims
- 1639US2001019439A1Optical transmission system and node adding methodFiled 2001·Application pending·0 cites
- 1733US5912756ALight receiving deviceKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Jun 15, 1999·4 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →