Inventor · disambiguated record
Katsuhiro Nakagawa
Also filed as: NAKAGAWA KATSUHIRO
12 granted patents·3 pending applications·164 citations·filing 1987–2021
91Inventor score
Top patents by PatentIndex Score
15 records- 0189US9267431B2Position regulating apparatus for engine operating machineHONDA MOTOR CO LTD·Filed 2012·Granted Feb 23, 2016·9 cites·15 claims
- 0285US6687712B2Scientific information viewing system, and a host computer and a viewing computer thereforSHIMADZU CORP·Filed 2000·Granted Feb 3, 2004·53 cites·9 claims
- 0381US7325519B2Engine operated generatorHONDA MOTOR CO LTD·Filed 2005·Granted Feb 5, 2008·10 cites·18 claims
- 0474US5756993AMass spectrometerHITACHI LTD·Filed 1996·Granted May 26, 1998·26 cites·24 claims
- 0568US6633033B2Apparatus for mass spectrometry on an ion-trap methodHITACHI LTD·Filed 2000·Granted Oct 14, 2003·6 cites·16 claims
- 0665US6140641AIon-trap mass analyzing apparatus and ion trap mass analyzing methodHITACHI LTD·Filed 1998·Granted Oct 31, 2000·17 cites·13 claims
- 0765US6062065AMethod and apparatus in gas chromatography for introducing a sampleSHIMADZU CORP·Filed 1998·Granted May 16, 2000·28 cites·18 claims
- 0863US7537000B2Engine with breather apparatusHONDA MOTOR CO LTD·Filed 2007·Granted May 26, 2009·3 cites·7 claims
- 0959US7075069B2Apparatus for mass spectrometry on an ion-trap methodHITACHI LTD·Filed 2003·Granted Jul 11, 2006·3 cites·20 claims
- 1055US4812649AControl in mass analyzerHITACHI LTD·Filed 1987·Granted Mar 14, 1989·9 cites·5 claims
- 1145US12266517B2Method for evaluating mass spectrometry device, method for calibrating mass spectrometry device, analysis method, mass spectrometry device, and mass spectrometry reagentSHIMADZU CORP·Filed 2018·Granted Apr 1, 2025·0 cites·14 claims
- 1245US2024280548A1Method and device for screening sample containing phenol, isopropylated phosphate (3:1)SHIMADZU CORP·Filed 2021·Application pending·0 cites
- 1342US9756767B2Power conversion apparatusHONDA MOTOR CO LTD·Filed 2016·Granted Sep 5, 2017·0 cites·4 claims
- 1436US2002195556A1Mass spectrometerHITACHI LTD·Filed 2002·Application pending·0 cites
- 1536US2002005479A1Ion trap mass spectrometer and it's mass spectrometry methodFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →