Assignee
ANDO ELECTRIC
JP·420 granted patents·30 pending applications·5,768 citations·filing 1980–2004
Top patents by PatentIndex Score
450 records- 0197US5394235AApparatus for measuring distortion position of optical fiberANDO ELECTRIC·Filed 1994·Granted Feb 28, 1995·188 cites·1 claims
- 0294US5268949ACircuit for generating M-sequence pseudo-random patternANDO ELECTRIC·Filed 1992·Granted Dec 7, 1993·107 cites·2 claims
- 0392US6795196B2Wavelength measurement apparatusANDO ELECTRIC·Filed 2002·Granted Sep 21, 2004·63 cites·21 claims
- 0490US6160614AMethod, apparatus and computer program product for classification of measured data from multi-core optical fiberANDO ELECTRIC·Filed 1999·Granted Dec 12, 2000·84 cites·19 claims
- 0589US5686986AOptical fiber characteristic measuring deviceANDO ELECTRIC·Filed 1996·Granted Nov 11, 1997·64 cites·6 claims
- 0688US6018535AExternal cavity type wavelength-tunable light sourceANDO ELECTRIC·Filed 1999·Granted Jan 25, 2000·78 cites·9 claims
- 0788US5862162AExternal resonator type wavelength- tunable light sourceANDO ELECTRIC·Filed 1997·Granted Jan 19, 1999·79 cites·9 claims
- 0887US5633750AOptical fiber amplifierANDO ELECTRIC·Filed 1996·Granted May 27, 1997·75 cites·16 claims
- 0986US6028661AMulti-branched optical line testing apparatusANDO ELECTRIC·Filed 1997·Granted Feb 22, 2000·57 cites·5 claims
- 1085US6512610B1Device and method for testing of multi-branch optical networkANDO ELECTRIC·Filed 1999·Granted Jan 28, 2003·53 cites·12 claims
- 1185US5936417ATest head for IC testerANDO ELECTRIC·Filed 1997·Granted Aug 10, 1999·60 cites·11 claims
- 1285US5509192AApparatus for press-fitting connectors into printed boardsANDO ELECTRIC·Filed 1994·Granted Apr 23, 1996·61 cites·6 claims
- 1383US6591396B1Moving image communication quality determination apparatusANDO ELECTRIC·Filed 2000·Granted Jul 8, 2003·30 cites·22 claims
- 1483US5970076AWavelength tunable semiconductor laser light sourceANDO ELECTRIC·Filed 1998·Granted Oct 19, 1999·79 cites·7 claims
- 1583US4964074AIn-circuit emulatorANDO ELECTRIC·Filed 1989·Granted Oct 16, 1990·88 cites·4 claims
- 1682US6700655B2Optical fiber characteristic measuring deviceANDO ELECTRIC·Filed 2002·Granted Mar 2, 2004·29 cites·6 claims
- 1782US6026100AExternal cavity-type of wavelength tunable semiconductor laser light source and method for tuning wavelength thereforANDO ELECTRIC·Filed 1998·Granted Feb 15, 2000·55 cites·11 claims
- 1881US5491714AWavelength-variable semiconductor laser light sourceANDO ELECTRIC·Filed 1995·Granted Feb 13, 1996·54 cites·3 claims
- 1980US6047008AVariable wavelength laser light sourceANDO ELECTRIC·Filed 1998·Granted Apr 4, 2000·53 cites·8 claims
- 2080US5894226AIC testing apparatusANDO ELECTRIC·Filed 1997·Granted Apr 13, 1999·79 cites·5 claims
- 2178US6914464B2Phase locked loop circuit using fractional frequency dividerANDO ELECTRIC·Filed 2003·Granted Jul 5, 2005·23 cites·7 claims
- 2278US6480318B2Optical amplifier evaluation method and optical amplifier evaluation instrumentANDO ELECTRIC·Filed 2001·Granted Nov 12, 2002·21 cites·26 claims
- 2378US6313995B1Cooling system of a printed boardANDO ELECTRIC·Filed 2000·Granted Nov 6, 2001·32 cites·16 claims
- 2478US5561671ASelf-diagnostic device for semiconductor memoriesANDO ELECTRIC·Filed 1995·Granted Oct 1, 1996·49 cites·1 claims
- 2577US6122420AOptical loopback apparatusANDO ELECTRIC·Filed 1998·Granted Sep 19, 2000·46 cites·10 claims
- 2677US5719514ADelay circuit compensating for variations in delay timeANDO ELECTRIC·Filed 1996·Granted Feb 17, 1998·54 cites·4 claims
- 2776US6910221B1Moving image communication evaluation system and moving image communication evaluation methodANDO ELECTRIC·Filed 2000·Granted Jun 21, 2005·20 cites·4 claims
- 2876US5450428APhase-continuous and frequency-variable light sourceANDO ELECTRIC·Filed 1994·Granted Sep 12, 1995·34 cites·2 claims
- 2975US6246248B1Tester for detecting an abnormal quiescent power supply current in a device under testANDO ELECTRIC·Filed 1999·Granted Jun 12, 2001·37 cites·15 claims
- 3075US5499443AConnector press-fitting apparatusANDO ELECTRIC·Filed 1994·Granted Mar 19, 1996·46 cites·15 claims
- 3174US6744506B2Depolarizing plate and an optical apparatus using the sameANDO ELECTRIC·Filed 2002·Granted Jun 1, 2004·16 cites·6 claims
- 3274US6678044B2Monochromator and optical spectrum analyzer equipped with the sameANDO ELECTRIC·Filed 2001·Granted Jan 13, 2004·17 cites·8 claims
- 3374US6429713B2D-FF circuitANDO ELECTRIC·Filed 2001·Granted Aug 6, 2002·17 cites·14 claims
- 3474US6335788B1Optical-fiber characteristics measuring apparatusANDO ELECTRIC·Filed 2000·Granted Jan 1, 2002·17 cites·3 claims
- 3574US5619169AVariable gain differential amplifierANDO ELECTRIC·Filed 1995·Granted Apr 8, 1997·34 cites·13 claims
- 3673US6643011B2SNR calculation method and optical spectrum measurement apparatusANDO ELECTRIC·Filed 2002·Granted Nov 4, 2003·16 cites·7 claims
- 3773US6456369B1Multi-core optical fiber inspecting method and apparatusANDO ELECTRIC·Filed 2000·Granted Sep 24, 2002·16 cites·6 claims
- 3873US6012291ATemperature control device of an optical semiconductor deviceANDO ELECTRIC·Filed 1997·Granted Jan 11, 2000·72 cites·2 claims
- 3972US6831955B1Noise generatorANDO ELECTRIC·Filed 2000·Granted Dec 14, 2004·13 cites·10 claims
- 4072US6476919B1Polarization-independent reflectometry and polarization-independent reflectometerANDO ELECTRIC·Filed 1999·Granted Nov 5, 2002·32 cites·10 claims
- 4172US5781056AVariable delay circuitANDO ELECTRIC·Filed 1996·Granted Jul 14, 1998·38 cites·6 claims
- 4272US5523678AContact mechanism for transportation comprising suction unit equipped with floating mechanismANDO ELECTRIC·Filed 1995·Granted Jun 4, 1996·37 cites·18 claims
- 4372US5493575AExternal resonator type frequency-variable semiconductor laser light sourceANDO ELECTRIC·Filed 1994·Granted Feb 20, 1996·29 cites·1 claims
- 4472US5400502AApparatus and method for fitting a press-fit connector to a printed circuit boardANDO ELECTRIC·Filed 1994·Granted Mar 28, 1995·29 cites·6 claims
- 4571US5390192AHigh-speed pattern generatorANDO ELECTRIC·Filed 1991·Granted Feb 14, 1995·38 cites·3 claims
- 4671US4832621AProbe for in-circuit emulatorANDO ELECTRIC·Filed 1987·Granted May 23, 1989·31 cites·6 claims
- 4770US6781678B2Measuring method and measuring apparatus of wavelength dispersion distribution characteristics of optical fiberANDO ELECTRIC·Filed 2002·Granted Aug 24, 2004·14 cites·5 claims
- 4870US6643603B2Chromatic dispersion distribution measurement apparatus and method for the sameANDO ELECTRIC·Filed 2002·Granted Nov 4, 2003·14 cites·9 claims
- 4970US6016251APrinted circuit board and cooling system thereforANDO ELECTRIC·Filed 1998·Granted Jan 18, 2000·41 cites·18 claims
- 5070US5924874AIC socketANDO ELECTRIC·Filed 1998·Granted Jul 20, 1999·42 cites·5 claims
Showing the top 50 of 450 patent records by PatentIndex Score.
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