Inventor · disambiguated record
Sivakumar Muthuswamy
Also filed as: MUTHUSWAMY SIVAKUMAR
48 granted patents·22 pending applications·2,871 citations·filing 1994–2006
99Inventor score
Files withMOTOROLA INC50STEVENS INST TECHNOLOGY2BONTA JEFFERY D1GEN INSTRUMENT CORP1KELLEY RONALD JAMES1
Top patents by PatentIndex Score
70 records- 0198US7710932B2Method and apparatus for encouraging routing in a networkMOTOROLA INC·Filed 2005·Granted May 4, 2010·270 cites·35 claims
- 0298US6268077B1Portable fuel cell power supplyMOTOROLA INC·Filed 1999·Granted Jul 31, 2001·289 cites·22 claims
- 0398US6127058APlanar fuel cellMOTOROLA INC·Filed 1998·Granted Oct 3, 2000·280 cites·23 claims
- 0496US6406808B1Method and apparatus for thermal management of fuel cell systemsMOTOROLA INC·Filed 2000·Granted Jun 18, 2002·87 cites·22 claims
- 0595US6080501AFuel cell with integral fuel storageMOTOROLA INC·Filed 1998·Granted Jun 27, 2000·161 cites·18 claims
- 0695US5822206AConcurrent engineering design tool and methodSTEVENS INST TECHNOLOGY·Filed 1996·Granted Oct 13, 1998·160 cites·26 claims
- 0794US7697450B2Method and apparatus for broadcast in an ad hoc network with dynamic selection of relay nodesMOTOROLA INC·Filed 2005·Granted Apr 13, 2010·28 cites·22 claims
- 0894US6486874B1Method of pre-caching user interaction elements using input device positionMOTOROLA INC·Filed 2000·Granted Nov 26, 2002·159 cites·20 claims
- 0994US5681515AMethod of fabricating an elastomeric keypadMOTOROLA INC·Filed 1996·Granted Oct 28, 1997·94 cites·9 claims
- 1092US5937265ATooling die insert and rapid method for fabricating sameMOTOROLA INC·Filed 1997·Granted Aug 10, 1999·78 cites·14 claims
- 1190US7688835B2Dynamic wireless backhaulMOTOROLA INC·Filed 2006·Granted Mar 30, 2010·21 cites·14 claims
- 1290US6606525B1System and method of merging static data in web pagesMOTOROLA INC·Filed 1999·Granted Aug 12, 2003·144 cites·14 claims
- 1390US5831832AMolded plastic ball grid array packageMOTOROLA INC·Filed 1997·Granted Nov 3, 1998·78 cites·18 claims
- 1488US6426158B1Method of diluting hydrogen gas exhausted from a fuel cellMOTOROLA INC·Filed 2000·Granted Jul 30, 2002·32 cites·8 claims
- 1587US6584825B2Method and apparatus for determining the amount of hydrogen in a vesselMOTOROLA INC·Filed 2001·Granted Jul 1, 2003·34 cites·24 claims
- 1686US6423434B1Method and apparatus for managing fuel cell performanceMOTOROLA INC·Filed 1999·Granted Jul 23, 2002·83 cites·28 claims
- 1785US6214487B1Integral sensors for monitoring a fuel cell membrane and methods of monitoringMOTOROLA INC·Filed 1999·Granted Apr 10, 2001·81 cites·25 claims
- 1885US6060188AHigh pressure coaxial fuel cellMOTOROLA INC·Filed 1998·Granted May 9, 2000·78 cites·23 claims
- 1984US6586124B2Method and apparatus for cold temperature operation of fuel cells utilizing hydrides having different heat capacitiesMOTOROLA INC·Filed 2001·Granted Jul 1, 2003·24 cites·10 claims
- 2084US6132895AFuel cellMOTOROLA INC·Filed 1998·Granted Oct 17, 2000·76 cites·17 claims
- 2184USRE36602EConcurrent engineering design tool and methodSTEVENS INST TECHNOLOGY·Filed 1997·Granted Mar 7, 2000·84 cites·45 claims
- 2283US6689194B2Fuel cell system having a replaceable getter element for purifying the fuel supplyMOTOROLA INC·Filed 2001·Granted Feb 10, 2004·21 cites·12 claims
- 2383US6176953B1Ultrasonic welding processMOTOROLA INC·Filed 1999·Granted Jan 23, 2001·48 cites·11 claims
- 2479US5689403AIntercooled electronic deviceMOTOROLA INC·Filed 1994·Granted Nov 18, 1997·70 cites·7 claims
- 2578US7132192B2Fuel cell using variable porosity gas diffusion materialMOTOROLA INC·Filed 2003·Granted Nov 7, 2006·14 cites·8 claims
- 2678US7024162B2Communication system with call quality indication and method of operation thereinMOTOROLA INC·Filed 2003·Granted Apr 4, 2006·21 cites·25 claims
- 2778US5818005AElectrical discharge machining electrode and rapid method for fabricating sameMOTOROLA INC·Filed 1997·Granted Oct 6, 1998·37 cites·5 claims
- 2877US6869708B2Means for measuring the liquid level in a reservoir for a fuel cellMOTOROLA INC·Filed 2003·Granted Mar 22, 2005·18 cites·3 claims
- 2975US7233679B2Microphone system for a communication deviceMOTOROLA INC·Filed 2003·Granted Jun 19, 2007·20 cites·7 claims
- 3073US6936361B2Method for humidifying a fuel stream for a direct methanol fuel cellMOTOROLA INC·Filed 2003·Granted Aug 30, 2005·10 cites·3 claims
- 3169US6743543B2Fuel cell using variable porosity gas diffusion materialMOTOROLA INC·Filed 2001·Granted Jun 1, 2004·7 cites·5 claims
- 3268US5977690APiezoelectric switch apparatus for a communication deviceMOTOROLA INC·Filed 1997·Granted Nov 2, 1999·21 cites·22 claims
- 3366US7049015B2Method of operating a fuel cell power sourceMOTOROLA INC·Filed 2002·Granted May 23, 2006·6 cites·12 claims
- 3466US7028001B1System and method for measuring web page advertisement impressionsMOTOROLA INC·Filed 1999·Granted Apr 11, 2006·158 cites·17 claims
- 3566US6756142B2Fuel cell using non-linear positive temperature coefficient materialMOTOROLA INC·Filed 2001·Granted Jun 29, 2004·5 cites·15 claims
- 3664US7282283B2Method and device for limiting crossover in fuel cell systemsMOTOROLA INC·Filed 2002·Granted Oct 16, 2007·5 cites·13 claims
- 3764US7184756B2Wireless communication device with tamper resistant configuration settingsMOTOROLA INC·Filed 2003·Granted Feb 27, 2007·6 cites·22 claims
- 3861US6853368B2Electronic device with improved user interfaceMOTOROLA INC·Filed 2002·Granted Feb 8, 2005·5 cites·26 claims
- 3961US6322918B1Water management system for fuel cellsMOTOROLA INC·Filed 1999·Granted Nov 27, 2001·29 cites·9 claims
- 4058US7108931B2Fuel cell using non-linear positive temperature coefficient materialMOTOROLA INC·Filed 2004·Granted Sep 19, 2006·2 cites·3 claims
- 4156US6986957B2Fuel cell systemMOTOROLA INC·Filed 2002·Granted Jan 17, 2006·2 cites·21 claims
- 4255US7264896B2Two-stage hybrid gas pressure regulatorMOTOROLA INC·Filed 2002·Granted Sep 4, 2007·1 cites·22 claims
- 4353US6943777B2Electronic device with user interface capability and method thereforMOTOROLA INC·Filed 2002·Granted Sep 13, 2005·3 cites·24 claims
- 4453US6015970ASwitch assembly incorporating optical control functionMOTOROLA INC·Filed 1997·Granted Jan 18, 2000·16 cites·19 claims
- 4552US2005035003A1Gas storage media, containers, and battery employing the mediaFiled 2004·Application pending·0 cites
- 4652US2005053836A1Gas storage media, containers, and battery employing the mediaFiled 2004·Application pending·0 cites
- 4751US2007167689A1Method and system for enhancing a user experience using a user's physiological stateMOTOROLA INC·Filed 2006·Application pending·0 cites
- 4850US8993187B2Method and device for limiting crossover in fuel cell systemsKELLEY RONALD JAMES·Filed 2005·Granted Mar 31, 2015·0 cites·6 claims
- 4948US6926990B2Fuel cell having porous electrodes and method for forming sameMOTOROLA INC·Filed 2002·Granted Aug 9, 2005·0 cites·17 claims
- 5048US2006224046A1Method and system for enhancing a user experience using a user's physiological stateMOTOROLA INC·Filed 2005·Application pending·0 cites
Showing the top 50 of 70 patent records by PatentIndex Score.
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