Inventor · disambiguated record
Todd R. Christenson
Also filed as: CHRISTENSON TODD · CHRISTENSON TODD M · CHRISTENSON TODD R · CHRISTENSON TODD RICHARD
38 granted patents·7 pending applications·1,246 citations·filing 1990–2023
98Inventor score
Files withSANDIA CORP18WISCONSIN ALUMNI RES FOUND6CHRISTENSON TODD RICHARD5HT MICROANALYTICAL INC5Inviza LLC3
Top patents by PatentIndex Score
45 records- 0198US5206983AMethod of manufacturing micromechanical devicesWISCONSIN ALUMNI RES FOUND·Filed 1991·Granted May 4, 1993·179 cites·8 claims
- 0296US6432577B1Apparatus and method for fabricating a microbatterySANDIA CORP·Filed 2000·Granted Aug 13, 2002·94 cites·15 claims
- 0396US5378583AFormation of microstructures using a preformed photoresist sheetWISCONSIN ALUMNI RES FOUND·Filed 1993·Granted Jan 3, 1995·203 cites·44 claims
- 0495US5576147AFormation of microstructures using a preformed photoresist sheetWISCONSIN ALUMNI RES FOUND·Filed 1995·Granted Nov 19, 1996·126 cites·16 claims
- 0595US5189777AMethod of producing micromachined differential pressure transducersWISCONSIN ALUMNI RES FOUND·Filed 1990·Granted Mar 2, 1993·94 cites·19 claims
- 0693US6875544B1Method for the fabrication of three-dimensional microstructures by deep X-ray lithographySANDIA CORP·Filed 2002·Granted Apr 5, 2005·51 cites·29 claims
- 0792US7755841B2Liquid-lens variable-control optics in array microscopeDMETRIX INC·Filed 2008·Granted Jul 13, 2010·36 cites·12 claims
- 0892US5496668AFormation of microstructures using a preformed photoresist sheetWISCONSIN ALUMNI RES FOUND·Filed 1994·Granted Mar 5, 1996·70 cites·16 claims
- 0991US5327033AMicromechanical magnetic devicesWISCONSIN ALUMNI RES FOUND·Filed 1992·Granted Jul 5, 1994·62 cites·13 claims
- 1089US7142075B1Microelectromechanical power generator and vibration sensorSANDIA CORP·Filed 2004·Granted Nov 28, 2006·39 cites·30 claims
- 1189US6549700B1Optical switch using Risley prismsSANDIA CORP·Filed 2001·Granted Apr 15, 2003·34 cites·12 claims
- 1284US8665041B2Integrated microminiature relayCHRISTENSON TODD RICHARD·Filed 2010·Granted Mar 4, 2014·6 cites·16 claims
- 1384US6589716B2Microoptical system and fabrication method thereforSANDIA CORP·Filed 2000·Granted Jul 8, 2003·18 cites·16 claims
- 1481US7127301B1Flexible retinal electrode arraySANDIA CORP·Filed 2003·Granted Oct 24, 2006·77 cites·46 claims
- 1580US6332568B1Wafer scale micromachine assembly methodSANDIA CORP·Filed 2001·Granted Dec 25, 2001·23 cites·15 claims
- 1679US6859120B2Optical switch using risley prismsSANDIA CORP·Filed 2003·Granted Feb 22, 2005·16 cites·9 claims
- 1774US8809706B2Integrating impact switchHT MICROANALYTICAL INC·Filed 2013·Granted Aug 19, 2014·2 cites·14 claims
- 1874US6741349B1Optical microspectrometerSANDIA CORP·Filed 2002·Granted May 25, 2004·11 cites·13 claims
- 1973US8507813B2Integrating impact switchCHRISTENSON TODD RICHARD·Filed 2011·Granted Aug 13, 2013·2 cites·19 claims
- 2072US7207102B1Method for forming permanent magnets with different polarities for use in microelectromechanical devicesSANDIA CORP·Filed 2004·Granted Apr 24, 2007·13 cites·36 claims
- 2172US6517665B1Liga developer apparatus systemSANDIA NAT LAB·Filed 2000·Granted Feb 11, 2003·12 cites·14 claims
- 2269US8327527B2Integrated reed switchCHRISTENSON TODD R·Filed 2009·Granted Dec 11, 2012·5 cites·18 claims
- 2367US7612541B1Charge-pump voltage converterSANDIA CORP·Filed 2007·Granted Nov 3, 2009·5 cites·3 claims
- 2466US5917260AElectromechanical millimotorFiled 1997·Granted Jun 29, 1999·30 cites·23 claims
- 2564US7795770B1Passive levitation in alternating magnetic fieldsSANDIA CORP·Filed 2009·Granted Sep 14, 2010·3 cites·4 claims
- 2664US7633362B1Eddy-current-damped microelectromechanical switchSANDIA CORP·Filed 2007·Granted Dec 15, 2009·3 cites·11 claims
- 2761US12483163B2Piezo-elements for wearable devices, including fitness trackers, smart watches and the likeInviza LLC·Filed 2022·Granted Nov 25, 2025·0 cites·19 claims
- 2858US12483162B2Piezo-elements for wearable devices, including fitness trackers, smart watches and the likeInviza LLC·Filed 2021·Granted Nov 25, 2025·0 cites·31 claims
- 2958US7289009B1Eddy-current-damped microelectromechanical switchSANDIA CORP·Filed 2004·Granted Oct 30, 2007·7 cites·21 claims
- 3058US6375759B1Batch fabrication of precision miniature permanent magnetsSANDIA CORP·Filed 1999·Granted Apr 23, 2002·17 cites·23 claims
- 3157US9076612B2Integrating impact switchHT MICROANALYTICAL INC·Filed 2014·Granted Jul 7, 2015·0 cites·20 claims
- 3257US7548004B1Passive levitation in alternating magnetic fieldsSANDIA CORP·Filed 2005·Granted Jun 16, 2009·2 cites·16 claims
- 3357US7545065B1Spin-stabilized magnetic levitation without vertical axis of rotationSANDIA CORP·Filed 2005·Granted Jun 9, 2009·3 cites·24 claims
- 3456US2014152406A1Integrated Microminiature RelayCOTO TECHNOLOGY INC·Filed 2014·Application pending·0 cites
- 3553US6841306B2Polymeric mold for providing a micro-scale partSANDIA NAT LAB·Filed 2002·Granted Jan 11, 2005·2 cites·5 claims
- 3652US2012306602A1Miniaturized switch deviceCHRISTENSON TODD RICHARD·Filed 2012·Application pending·0 cites
- 3751US8258900B2Miniaturized switch deviceCHRISTENSON TODD RICHARD·Filed 2011·Granted Sep 4, 2012·0 cites·20 claims
- 3850US2023155523A1Piezo-Elements for Wearable DevicesInviza LLC·Filed 2023·Application pending·0 cites
- 3949US6867435B2Microoptical system and fabrication method thereforSANDIA CORP·Filed 2003·Granted Mar 15, 2005·1 cites·14 claims
- 4048US2013063233A1Integrated Reed SwitchCHRISTENSON TODD RICHARD·Filed 2012·Application pending·0 cites
- 4147US9284183B2Method for forming normally closed micromechanical device comprising a laterally movable elementHT MICROANALYTICAL INC·Filed 2013·Granted Mar 15, 2016·0 cites·8 claims
- 4245US7999642B2Miniaturized switch deviceHT MICROANALYTICAL INC·Filed 2006·Granted Aug 16, 2011·0 cites·19 claims
- 4345US2005155707A1LIGA developer apparatus systemFiled 2004·Application pending·0 cites
- 4444US2004233168A1System and methods for interacting with a supplemental hand-held mouseGATEWAY INC·Filed 2003·Application pending·0 cites
- 4543US2014077906A1Microswitch having an integrated electromagnetic coilHT MICROANALYTICAL INC·Filed 2013·Application pending·0 cites
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