Inventor · disambiguated record
Yoshihiro Nagaoka
Also filed as: NAGAOKA YOSHIHIRO
33 granted patents·15 pending applications·307 citations·filing 1994–2020
97Inventor score
Top patents by PatentIndex Score
48 records- 0190US7727472B2Chemical analysis apparatus and chemical analysis cartridgeHITACHI HIGH TECH CORP·Filed 2005·Granted Jun 1, 2010·22 cites·8 claims
- 0289US10364900B2Fluid switching valve and liquid chromatograph apparatus using the sameHITACHI HIGH TECH CORP·Filed 2015·Granted Jul 30, 2019·7 cites·7 claims
- 0388US5595473ACentrifugal fluid machineHITACHI LTD·Filed 1994·Granted Jan 21, 1997·39 cites·40 claims
- 0486US9128071B2Liquid mixing device and liquid chromatographTSUKADA NOBUHIRO·Filed 2011·Granted Sep 8, 2015·12 cites·9 claims
- 0586US7937990B2Liquid chromatograph and separation columnHITACHI HIGH TECH CORP·Filed 2008·Granted May 10, 2011·11 cites·10 claims
- 0684US7901573B2Separation column and liquid chromatography apparatus using the sameHITACHI HIGH TECH CORP·Filed 2008·Granted Mar 8, 2011·7 cites·16 claims
- 0783US7678576B2Chemical analysis apparatus and chemical analysis cartridgeHITACHI HIGH TECH CORP·Filed 2005·Granted Mar 16, 2010·9 cites·11 claims
- 0877US7384602B2Chemical analysis apparatus and genetic diagnostic apparatusHITACHI HIGH TECH CORP·Filed 2003·Granted Jun 10, 2008·18 cites·2 claims
- 0976US6371724B2Centrifugal fluid machineHITACHI LTD·Filed 2001·Granted Apr 16, 2002·13 cites·1 claims
- 1076US6197255B1Chemical analyzing apparatusHITACHI LTD·Filed 1999·Granted Mar 6, 2001·49 cites·5 claims
- 1167US8496819B2Separation column for liquid chromatograph apparatus and liquid chromatograph apparatus using thereofSHIMIZU KATSUTOSHI·Filed 2008·Granted Jul 30, 2013·3 cites·9 claims
- 1267US7662340B2Extractor chemical analyzer and chemical analyzing methodHITACHI HIGH TECH CORP·Filed 2001·Granted Feb 16, 2010·8 cites·7 claims
- 1364US8551423B2Liquid supply device using check valve and reactive liquid chromatography systemDEGUCHI KISABURO·Filed 2010·Granted Oct 8, 2013·1 cites·13 claims
- 1462US7811451B2Separation column and liquid chromatograph using the sameHITACHI HIGH TECH CORP·Filed 2007·Granted Oct 12, 2010·1 cites·7 claims
- 1561US6568904B1Fluidal machineHITACHI LTD·Filed 1995·Granted May 27, 2003·22 cites·5 claims
- 1659US6500388B1Automatically analyzing apparatusHITACHI LTD·Filed 1998·Granted Dec 31, 2002·19 cites·4 claims
- 1758US12158452B2Flow passage switching valve and liquid chromatograph having the sameHITACHI HIGH TECH CORP·Filed 2019·Granted Dec 3, 2024·0 cites·6 claims
- 1857US2010012566A1Separation column and liquid chromotograph using the sameHITACHI HIGH TECH CORP·Filed 2009·Application pending·0 cites
- 1956US7273702B2Apparatus for purifying nucleic acid and method of purifying nucleic acidHITACHI LTD·Filed 2002·Granted Sep 25, 2007·1 cites·8 claims
- 2055US2023364609A1Sample processing device, sample processing apparatus, and sample processing methodHITACHI HIGH TECH CORP·Filed 2020·Application pending·0 cites
- 2154US5971705ACentrifugal fluid machineHITACHI LTD·Filed 1998·Granted Oct 26, 1999·11 cites·8 claims
- 2254US5857834ACentrifugal fluid machineHITACHI LTD·Filed 1996·Granted Jan 12, 1999·11 cites·24 claims
- 2353US6290460B1Centrifugal fluid machineHITACHI LTD·Filed 2000·Granted Sep 18, 2001·7 cites·2 claims
- 2450US11426721B2Bubble eliminating structure, bubble eliminating method, and agitating method using the sameHITACHI HIGH TECH CORP·Filed 2017·Granted Aug 30, 2022·0 cites·8 claims
- 2550US6749397B2Fluidal machineHITACHI LTD·Filed 2002·Granted Jun 15, 2004·4 cites·3 claims
- 2650US6364607B2Centrifugal fluid machineHITACHI LTD·Filed 2001·Granted Apr 2, 2002·6 cites·5 claims
- 2749US2020398275A1Specimen-Processing DeviceHITACHI HIGH TECH CORP·Filed 2019·Application pending·0 cites
- 2848US6312222B1Centrifugal fluid machineHITACHI LTD·Filed 2000·Granted Nov 6, 2001·5 cites·1 claims
- 2948US2020398282A1Temperature control device and genetic testing deviceHITACHI HIGH TECH CORP·Filed 2019·Application pending·0 cites
- 3047US9492821B2Liquid feeder and chemical analyzer including sameHITACHI HIGH TECH CORP·Filed 2014·Granted Nov 15, 2016·0 cites·19 claims
- 3147US2004197810A1Nucleic-acid amplifying apparatus and nucleic-acid amplifying methodFiled 2004·Application pending·0 cites
- 3246US2008245716A1Separation column and liquid chromatography system with this columnOHURA TAKESHI·Filed 2008·Application pending·0 cites
- 3345US10702199B2Blood collecting deviceHITACHI HIGH TECH CORP·Filed 2016·Granted Jul 7, 2020·0 cites·10 claims
- 3445US2006245972A1Chemical analyzer and cartridge for chemical analyzerOSONE YASUO·Filed 2006·Application pending·0 cites
- 3545US2020047181A1Sample Processing DeviceHITACHI HIGH TECH CORP·Filed 2018·Application pending·0 cites
- 3645US2006073584A1Chemical analyzing apparatusSASAKI SHIGEYUKI·Filed 2005·Application pending·0 cites
- 3744US10416184B2Pretreatment device for sample for analysis, and analysis system using sameHITACHI LTD·Filed 2013·Granted Sep 17, 2019·0 cites·12 claims
- 3844US6162015ACentrifugal type fluid machineHITACHI LTD·Filed 1995·Granted Dec 19, 2000·15 cites·24 claims
- 3943US2016236196A1Reagent Holding Container, Liquid Delivery Device, Reagent Discharge MethodHITACHI LTD·Filed 2013·Application pending·0 cites
- 4042US9797870B2Liquid delivery device and chemical analysis apparatus using liquid delivery deviceHITACHI LTD·Filed 2015·Granted Oct 24, 2017·0 cites·7 claims
- 4142US6139266ACentrifugal fluid machineHITACHI LTD·Filed 1999·Granted Oct 31, 2000·6 cites·2 claims
- 4242US2004197233A1Chemical analyzer and structure for chemical analysisFiled 2004·Application pending·0 cites
- 4341US2006159588A1Chemical analysis device and chemical analysis cartridgeNISHIJIMA NORIYO·Filed 2005·Application pending·0 cites
- 4440US2007025876A1Chemical analysis device and chemical analysis cartridgeNISHIJIMA NORIYO·Filed 2006·Application pending·0 cites
- 4537US9630181B2Plug application and removal device and sample processing deviceNAGAOKA YOSHIHIRO·Filed 2012·Granted Apr 25, 2017·0 cites·12 claims
- 4636US2006073075A1Chemical analyzer and a structure to be used in the analyzerNAGAOKA YOSHIHIRO·Filed 2005·Application pending·0 cites
- 4736US2012127469A1Flow cell, detector, and liquid chromatographTSUKADA NOBUHIRO·Filed 2010·Application pending·0 cites
- 4835US9150911B2Nucleic acid analysis reaction cell and nucleic acid analyzerNAKAZAWA TARO·Filed 2011·Granted Oct 6, 2015·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →