Assignee
NIHON KOHDEN CORP
JP·457 granted patents·218 pending applications·14,670 citations·filing 1981–2025
Top patents by PatentIndex Score
675 records- 0198US7477363B2Flow cytometerNIHON KOHDEN CORP·Filed 2005·Granted Jan 13, 2009·67 cites·13 claims
- 0297US5127406AApparatus for measuring concentration of substances in bloodNIHON KOHDEN CORP·Filed 1989·Granted Jul 7, 1992·165 cites·6 claims
- 0397US4832484AApparatus for determining the concentration of a light-absorbing material in bloodNIHON KOHDEN CORP·Filed 1987·Granted May 23, 1989·219 cites·3 claims
- 0495US5720284AApparatus for measuring hemoglobinNIHON KOHDEN CORP·Filed 1996·Granted Feb 24, 1998·206 cites·1 claims
- 0594US6780158B2Signal processing method and pulse wave signal processing methodNIHON KOHDEN CORP·Filed 2002·Granted Aug 24, 2004·162 cites·5 claims
- 0694US4518941APulse transformer for switching power suppliesNIHON KOHDEN CORP·Filed 1983·Granted May 21, 1985·85 cites·1 claims
- 0792US6546267B1Biological sensorNIHON KOHDEN CORP·Filed 2000·Granted Apr 8, 2003·392 cites·18 claims
- 0892US5766125AApparatus for determining the concentration of light-absorbing materials in bloodNIHON KOHDEN CORP·Filed 1995·Granted Jun 16, 1998·139 cites·13 claims
- 0990US7607360B2Adaptor for flow sensorNIHON KOHDEN CORP·Filed 2008·Granted Oct 27, 2009·23 cites·16 claims
- 1090US6856832B1Biological signal detection apparatus Holter electrocardiograph and communication system of biological signalsNIHON KOHDEN CORP·Filed 2000·Granted Feb 15, 2005·259 cites·20 claims
- 1190US6671526B1Probe and apparatus for determining concentration of light-absorbing materials in living tissueNIHON KOHDEN CORP·Filed 2000·Granted Dec 30, 2003·289 cites·12 claims
- 1290US5521851ANoise reduction method and apparatusNIHON KOHDEN CORP·Filed 1994·Granted May 28, 1996·164 cites·12 claims
- 1390US5385143AApparatus for measuring predetermined data of living tissueNIHON KOHDEN CORP·Filed 1993·Granted Jan 31, 1995·486 cites·10 claims
- 1489US7438688B2Apparatus and method for measuring pulse rateNIHON KOHDEN CORP·Filed 2006·Granted Oct 21, 2008·17 cites·14 claims
- 1588US6370941B2Gas sensor and gas sensor systemNIHON KOHDEN CORP·Filed 2001·Granted Apr 16, 2002·316 cites·12 claims
- 1688US5278627AApparatus for calibrating pulse oximeterNIHON KOHDEN CORP·Filed 1992·Granted Jan 11, 1994·483 cites·6 claims
- 1787US10022084B2Apparatus for determining respiratory conditionNIHON KOHDEN CORP·Filed 2014·Granted Jul 17, 2018·46 cites·4 claims
- 1887USD676136STransmitterNIHON KOHDEN CORP·Filed 2012·Granted Feb 12, 2013·39 cites·1 claims
- 1987US7445602B2Carbon dioxide sensor and airway adapter incorporated in the sameNIHON KOHDEN CORP·Filed 2006·Granted Nov 4, 2008·43 cites·16 claims
- 2087US5984854AMethod for treating urinary incontinence and an apparatus thereforNIHON KOHDEN CORP·Filed 1997·Granted Nov 16, 1999·261 cites·28 claims
- 2186US9414785B2Garment for bioinformation measurement having electrode, bioinformation measurement system and bioinformation measurement device, and device control methodNIHON KOHDEN CORP·Filed 2015·Granted Aug 16, 2016·7 cites·6 claims
- 2286US6415236B2Apparatus for determining concentrations of hemoglobinsNIHON KOHDEN CORP·Filed 2000·Granted Jul 2, 2002·200 cites·17 claims
- 2386US5266269AHematology analyzerNIHON KOHDEN CORP·Filed 1992·Granted Nov 30, 1993·105 cites·7 claims
- 2486US5080020ATraveling device having elastic contractible body moving along elongated memberNIHON KOHDEN CORP·Filed 1990·Granted Jan 14, 1992·60 cites·15 claims
- 2585US11497415B2Mask size gaugeNIHON KOHDEN CORP·Filed 2020·Granted Nov 15, 2022·3 cites·18 claims
- 2685US11002382B2Cable guide and detection device with cable guideNIHON KOHDEN CORP·Filed 2018·Granted May 11, 2021·2 cites·20 claims
- 2785US9839398B2Display device and method for displayingNIHON KOHDEN CORP·Filed 2014·Granted Dec 12, 2017·25 cites·16 claims
- 2885US6622095B2Apparatus for determining concentrations of hemoglobinsNIHON KOHDEN CORP·Filed 2002·Granted Sep 16, 2003·192 cites·19 claims
- 2985US6409141B1Particle analyzer and composite lens formed by integrally joining plural lens elements of different focal pointsNIHON KOHDEN CORP·Filed 2000·Granted Jun 25, 2002·21 cites·8 claims
- 3085US5036869AMedical wireless telemeterNIHON KOHDEN CORP·Filed 1990·Granted Aug 6, 1991·106 cites·2 claims
- 3184US10860174B2Biological information displaying apparatusNIHON KOHDEN CORP·Filed 2015·Granted Dec 8, 2020·7 cites·11 claims
- 3284US10342465B2Medical photometer and medical photometer control methodNIHON KOHDEN CORP·Filed 2017·Granted Jul 9, 2019·2 cites·5 claims
- 3384US9775541B2MaskNIHON KOHDEN CORP·Filed 2014·Granted Oct 3, 2017·7 cites·6 claims
- 3484US7841988B2Nasal mask for carbon dioxide gas measurementNIHON KOHDEN CORP·Filed 2007·Granted Nov 30, 2010·29 cites·7 claims
- 3584US6665551B1Current driving system of light emitting diodeNIHON KOHDEN CORP·Filed 2000·Granted Dec 16, 2003·157 cites·24 claims
- 3684US6527694B1Air-cooling device for coil for urinary incontinence treatmentNIHON KOHDEN CORP·Filed 2000·Granted Mar 4, 2003·119 cites·39 claims
- 3784US6453184B1Device for measuring light absorption materials in bloodNIHON KOHDEN CORP·Filed 2000·Granted Sep 17, 2002·169 cites·14 claims
- 3884US6230035B1Apparatus for determining concentrations of light-absorbing materials in living tissueNIHON KOHDEN CORP·Filed 1999·Granted May 8, 2001·345 cites·8 claims
- 3984US6084670AParticle analyzer and composite lens formed by integrally joining plural lens elements of different focal pointsNIHON KOHDEN CORP·Filed 1998·Granted Jul 4, 2000·53 cites·10 claims
- 4083US10436699B2Analyzing system and analyzing apparatusNIHON KOHDEN CORP·Filed 2015·Granted Oct 8, 2019·2 cites·10 claims
- 4183US6836161B2Semiconductor switch driving circuitNIHON KOHDEN CORP·Filed 2001·Granted Dec 28, 2004·32 cites·10 claims
- 4283US6569078B2Coil apparatus for urinary incontinence treatmentNIHON KOHDEN CORP·Filed 2001·Granted May 27, 2003·98 cites·3 claims
- 4383US5995859AMethod and apparatus for accurately measuring the saturated oxygen in arterial blood by substantially eliminating noise from the measurement signalNIHON KOHDEN CORP·Filed 1997·Granted Nov 30, 1999·349 cites·23 claims
- 4483US5101808AOutside-of-thorax type negative pressure artificial respiratorNIHON KOHDEN CORP·Filed 1990·Granted Apr 7, 1992·82 cites·11 claims
- 4582USD624654SPatient monitorNIHON KOHDEN CORP·Filed 2010·Granted Sep 28, 2010·30 cites·1 claims
- 4682US7749013B2Biological electrode and connector for the sameNIHON KOHDEN CORP·Filed 2005·Granted Jul 6, 2010·22 cites·22 claims
- 4780US5267562APulse oximeter with probe difference compensationNIHON KOHDEN CORP·Filed 1992·Granted Dec 7, 1993·252 cites·5 claims
- 4879US10064563B2Apparatus and methods for detecting increase in intracranial pressureNIHON KOHDEN CORP·Filed 2015·Granted Sep 4, 2018·3 cites·8 claims
- 4979US7927285B2Nasal mask for carbon dioxide gas measurementNIHON KOHDEN CORP·Filed 2008·Granted Apr 19, 2011·18 cites·7 claims
- 5079US7615011B2Method and apparatus for measuring blood volume, and vital sign monitor using the sameNIHON KOHDEN CORP·Filed 2007·Granted Nov 10, 2009·15 cites·5 claims
Showing the top 50 of 675 patent records by PatentIndex Score.
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