Inventor · disambiguated record
Rajiv Ramaswami
Also filed as: RAMASWAMI RAJIV · RAMASWAMI RAJIV R
36 granted patents·5 pending applications·1,615 citations·filing 1992–2017
98Inventor score
Top patents by PatentIndex Score
41 records- 0197US5867289AFault detection for all-optical add-drop multiplexerIBM·Filed 1996·Granted Feb 2, 1999·192 cites·20 claims
- 0295US6650803B1Method and apparatus for optical to electrical to optical conversion in an optical cross-connect switchXROS INC·Filed 2000·Granted Nov 18, 2003·73 cites·36 claims
- 0395US5825877ASupport for portable trusted softwareIBM·Filed 1996·Granted Oct 20, 1998·355 cites·20 claims
- 0492US7110668B2Optical network connection test apparatus and methodsTELLABS OPERATIONS INC·Filed 2004·Granted Sep 19, 2006·33 cites·16 claims
- 0590US6947623B2Signals and methods for increasing reliability in optical network equipmentNORTEL NETWORKS LTD·Filed 2003·Granted Sep 20, 2005·31 cites·22 claims
- 0688US9014562B2Optical line terminal arrangement, apparatus and methodsGERSTEL ORNAN A·Filed 2008·Granted Apr 21, 2015·9 cites·11 claims
- 0788US6882765B1Connection protection between clients and optical cross-connect switchesXROS INC·Filed 2000·Granted Apr 19, 2005·43 cites·60 claims
- 0888US6792174B1Method and apparatus for signaling between an optical cross-connect switch and attached network equipmentNORTEL NETWORKS LTD·Filed 2000·Granted Sep 14, 2004·35 cites·63 claims
- 0988US6597826B1Optical cross-connect switching system with bridging, test access and redundancyXROS INC·Filed 2000·Granted Jul 22, 2003·40 cites·16 claims
- 1087US6571030B1Optical cross-connect switching systemXROS INC·Filed 2000·Granted May 27, 2003·51 cites·51 claims
- 1187US5825949AOptical wavelength division multiplexer for coupling to data sources and sinks, wherein at least two data sources and sinks operate with different communication protocolsIBM·Filed 1997·Granted Oct 20, 1998·94 cites·18 claims
- 1287US5793746AFault-tolerant multichannel multiplexer ring configurationIBM·Filed 1996·Granted Aug 11, 1998·75 cites·12 claims
- 1387US5781537ASetting up, taking down and maintaining connections in a communications networkIBM·Filed 1995·Granted Jul 14, 1998·123 cites·10 claims
- 1486US6813407B2Method and apparatus for bridging optical signals in an optical networkNORTEL NETWORKS LTD·Filed 2003·Granted Nov 2, 2004·21 cites·38 claims
- 1581US5515361ALink monitoring and management in optical star networksIBM·Filed 1995·Granted May 7, 1996·124 cites·4 claims
- 1680US6445844B1Flexible, modular, compact fiber optic switchXROS INC·Filed 1999·Granted Sep 3, 2002·55 cites·215 claims
- 1779US6108311AMultichannel ring and star networks with limited channel conversionTELLABS OPERATIONS INC·Filed 1996·Granted Aug 22, 2000·46 cites·32 claims
- 1879US5729527AFault management in a multichannel transmission systemTELLABS OPERATIONS INC·Filed 1996·Granted Mar 17, 1998·43 cites·11 claims
- 1977US5487120AOptical wavelength division multiplexer for high speed, protocol-independent serial data sourcesIBM·Filed 1994·Granted Jan 23, 1996·57 cites·12 claims
- 2074US7369772B2Optical line terminal arrangement, apparatus and methodsTELLABS OPERATIONS INC·Filed 2003·Granted May 6, 2008·6 cites·24 claims
- 2160US6898376B1Optical ring protection apparatus and methodsTELLABS OPERATIONS INC·Filed 1999·Granted May 24, 2005·27 cites·37 claims
- 2260US6256293B1Fault management in a multichannel transmission systemTELLABS OPERATIONS INC·Filed 1998·Granted Jul 3, 2001·18 cites·23 claims
- 2359US6795602B2Flexible, modular, compact fiber optic switchFiled 2000·Granted Sep 21, 2004·7 cites·31 claims
- 2457US6944364B2Method and apparatus for regenerating optical signals in an all-optical cross-connect switchNORTEL NETWORKS LTD·Filed 2003·Granted Sep 13, 2005·2 cites·16 claims
- 2556US8971706B2Link discovery, verification, and failure isolation in an optical communication systemGERSTEL ORNAN A·Filed 2002·Granted Mar 3, 2015·6 cites·8 claims
- 2656US2017180074A1Optical line terminal arrangement, apparatus and methodsCORIANT OPERATIONS INC·Filed 2017·Application pending·0 cites
- 2755US2016337069A1Optical line terminal arrangement, apparatus and methodsCORIANT OPERATIONS INC·Filed 2016·Application pending·0 cites
- 2853US2015180606A1Optical line terminal arrangement, apparatus and methodsCORIANT OPERATIONS INC·Filed 2015·Application pending·0 cites
- 2951US8134939B2Multichannel ring and star networks with limited channel conversionRAMASWAMI RAJIV·Filed 2009·Granted Mar 13, 2012·0 cites·20 claims
- 3051US7376350B2Methods and apparatus for optical network management using pilot tonesTELLABS OPERATIONS INC·Filed 2006·Granted May 20, 2008·0 cites·19 claims
- 3150US7606180B2Multichannel ring and star networks with limited channel conversionTELLABS OPERATIONS INC·Filed 2005·Granted Oct 20, 2009·0 cites·22 claims
- 3250US7123832B2Methods and apparatus for optical network management using pilot tonesTELLABS OPERATIONS INC·Filed 2006·Granted Oct 17, 2006·0 cites·9 claims
- 3348US7181138B1Optical network connection test apparatus and methodsTELLABS OPERATIONS INC·Filed 1999·Granted Feb 20, 2007·11 cites·20 claims
- 3447US6970433B1Multichannel ring and star networks with limited channel conversionTELLABS OPERATIONS INC·Filed 1999·Granted Nov 29, 2005·7 cites·25 claims
- 3544US7072031B2Alignment laser for use in cross-connectsNORTEL NETWORKS LTD·Filed 2003·Granted Jul 4, 2006·1 cites·11 claims
- 3644US2001043563A1Fault management in a multichannel transmission systemFiled 2001·Application pending·0 cites
- 3743US6721508B1Optical line terminal arrangement, apparatus and methodsTELLABS OPERATIONS INC·Filed 1999·Granted Apr 13, 2004·6 cites·23 claims
- 3843US5253274AMeans to differentiate between commands and data on a communications linkIBM·Filed 1992·Granted Oct 12, 1993·16 cites·2 claims
- 3943US2004208509A1Upgradeable photonic networking apparatus and methodFiled 2002·Application pending·0 cites
- 4040US7016607B1Methods and apparatus for optical network management using pilot tonesTELLABS OPERATIONS INC·Filed 1999·Granted Mar 21, 2006·8 cites·13 claims
- 4138US6961506B2Variable attenuation of free-space light beamsNEUKERMANS ARMAND P·Filed 2001·Granted Nov 1, 2005·0 cites·12 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →