Inventor · disambiguated record
Kei Takenaka
Also filed as: TAKENAKA KEI
15 granted patents·13 pending applications·58 citations·filing 2001–2025
90Inventor score
Top patents by PatentIndex Score
28 records- 0186US10309876B2Cartridge for airborne substance sensing device, and airborne substance sensing deviceHITACHI LTD·Filed 2013·Granted Jun 4, 2019·6 cites·18 claims
- 0283US11560897B2Blower and air-conditioning indoor unitDAIKIN IND LTD·Filed 2022·Granted Jan 24, 2023·1 cites·24 claims
- 0379US9702805B2Airborne-substance detection device and cartridge used in sameHITACHI LTD·Filed 2013·Granted Jul 11, 2017·3 cites·5 claims
- 0477US9433883B2Device and method for collecting airborne microorganismsTAKENAKA KEI·Filed 2011·Granted Sep 6, 2016·4 cites·14 claims
- 0577US7384602B2Chemical analysis apparatus and genetic diagnostic apparatusHITACHI HIGH TECH CORP·Filed 2003·Granted Jun 10, 2008·18 cites·2 claims
- 0676US7735967B2Actuator for manipulation of liquid dropletsHITACHI LTD·Filed 2007·Granted Jun 15, 2010·5 cites·14 claims
- 0773US8889349B2Method for testing microorganism or the like and testing apparatus thereforTAKENAKA KEI·Filed 2010·Granted Nov 18, 2014·3 cites·4 claims
- 0872US2025290676A1Air conditioning unitDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 0971US10082456B2Photothermal conversion spectroscopic analyzerHITACHI LTD·Filed 2015·Granted Sep 25, 2018·1 cites·1 claims
- 1068US2025362061A1Cascade refrigeration cycle apparatusDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 1167US9291503B2Flow type single-particle spectrometerHITACHI LTD·Filed 2012·Granted Mar 22, 2016·1 cites·7 claims
- 1267US7662340B2Extractor chemical analyzer and chemical analyzing methodHITACHI HIGH TECH CORP·Filed 2001·Granted Feb 16, 2010·8 cites·7 claims
- 1365US7311881B2Chips, and apparatus and method for reaction analysisHITACHI LTD·Filed 2004·Granted Dec 25, 2007·8 cites·9 claims
- 1456US11493231B2Indoor unit for air conditionerDAIKIN IND LTD·Filed 2022·Granted Nov 8, 2022·0 cites·20 claims
- 1556US2009291488A1Microorganism testing device and microorganism testing chipHITACHI ENG SERVICE·Filed 2009·Application pending·0 cites
- 1653US2022186976A1Indoor unit of air conditionerDAIKIN IND LTD·Filed 2022·Application pending·0 cites
- 1753US2009215161A1Microorganism testing device and chip for testing microorganismsHITACHI LTD·Filed 2009·Application pending·0 cites
- 1852US11980302B2Air blowerDAIKIN IND LTD·Filed 2020·Granted May 14, 2024·0 cites·13 claims
- 1951US8404480B2Microorganism testing device and microorganism testing chipTAKENAKA KEI·Filed 2009·Granted Mar 26, 2013·0 cites·18 claims
- 2050US2009093045A1Organism testing apparatusHITACHI LTD·Filed 2008·Application pending·0 cites
- 2147US8409850B2Microorganism testing deviceTAKENAKA KEI·Filed 2007·Granted Apr 2, 2013·0 cites·13 claims
- 2247US2024123405A1Liquid column separation device, system, and methodHITACHI HIGH TECH CORP·Filed 2021·Application pending·0 cites
- 2347US2004197810A1Nucleic-acid amplifying apparatus and nucleic-acid amplifying methodFiled 2004·Application pending·0 cites
- 2442US2015010902A1Apparatus and Method for Monitoring Airborne Microorganisms in the AtmosphereTAKENAKA KEI·Filed 2012·Application pending·0 cites
- 2542US2004197233A1Chemical analyzer and structure for chemical analysisFiled 2004·Application pending·0 cites
- 2638US2017007127A1Diagnostic Service Providing System and Diagnostic Service Providing MethodHITACHI LTD·Filed 2016·Application pending·0 cites
- 2736US2014246321A1Particle separation device and methodTSUKADA NOBUHIRO·Filed 2011·Application pending·0 cites
- 2835US2010273208A1Microorganism testing apparatusTAKENAKA KEI·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →