Inventor · disambiguated record
Masuyoshi Yamada
Also filed as: YAMADA MASUYOSHI
31 granted patents·10 pending applications·409 citations·filing 1999–2025
96Inventor score
Top patents by PatentIndex Score
41 records- 0196US6295860B1Explosive detection system and sample collecting deviceHITACHI LTD·Filed 1999·Granted Oct 2, 2001·146 cites·2 claims
- 0294US6840120B2Explosive detection system and sample collecting deviceHITACHI LTD·Filed 2003·Granted Jan 11, 2005·49 cites·7 claims
- 0391US6686592B1Mass spectrometer, mass spectrometry, and monitoring systemHITACHI LTD·Filed 2000·Granted Feb 3, 2004·41 cites·18 claims
- 0490US8368013B2Analyzer, ionization apparatus and analyzing methodHITACHI HIGH TECH CORP·Filed 2011·Granted Feb 5, 2013·12 cites·26 claims
- 0590US7064320B2Mass chromatographHITACHI LTD·Filed 2005·Granted Jun 20, 2006·23 cites·13 claims
- 0687US8866070B2Mass spectrometerMOROKUMA HIDETOSHI·Filed 2011·Granted Oct 21, 2014·8 cites·15 claims
- 0787US6571649B2Explosive detection system and sample collecting deviceHITACHI LTD·Filed 2001·Granted Jun 3, 2003·23 cites·10 claims
- 0886US6852970B2Mass spectrometerHITACHI LTD·Filed 2003·Granted Feb 8, 2005·24 cites·11 claims
- 0982US8803084B2Mass spectrometer and mass spectrometryHITACHI HIGH TECH CORP·Filed 2012·Granted Aug 12, 2014·5 cites·15 claims
- 1081US9543135B2Mass spectrometer and mass analyzing method for efficiently ionizing a sample with less carry-overKUMANO SHUN·Filed 2012·Granted Jan 10, 2017·6 cites·11 claims
- 1180US11226329B2Exhaled gas detector and exhaled gas detection methodHITACHI LTD·Filed 2019·Granted Jan 18, 2022·1 cites·11 claims
- 1279US9184037B2Mass spectrometer and mass analyzing methodKUMANO SHUN·Filed 2012·Granted Nov 10, 2015·5 cites·19 claims
- 1379US6677582B2Ion source and mass spectrometerHITACHI LTD·Filed 2001·Granted Jan 13, 2004·14 cites·9 claims
- 1479US6639215B2Ion source and mass spectrometerHITACHI LTD·Filed 2002·Granted Oct 28, 2003·14 cites·12 claims
- 1578US8319194B2Drug detection equipmentHASHIMOTO MAKOTO·Filed 2011·Granted Nov 27, 2012·4 cites·19 claims
- 1676US7882754B2Gas component collector, gas component collecting device, filter producing method, and gas component analyzing apparatusHITACHI LTD·Filed 2007·Granted Feb 8, 2011·4 cites·18 claims
- 1774US10436807B2Authentication system and authentication method for detecting breath alcoholHITACHI LTD·Filed 2017·Granted Oct 8, 2019·2 cites·13 claims
- 1873US7375316B2Mass spectrometer and mass spectrometryHITACHI LTD·Filed 2007·Granted May 20, 2008·2 cites·8 claims
- 1972US6580067B1Sample analyzing monitor and combustion control system using the sameHITACHI LTD·Filed 2000·Granted Jun 17, 2003·17 cites·5 claims
- 2068US9171704B2Mass spectrometerHITACHI HIGH TECH CORP·Filed 2014·Granted Oct 27, 2015·1 cites·8 claims
- 2168US7420180B2Mass spectrometer and mass spectrometryHITACHI LTD·Filed 2007·Granted Sep 2, 2008·1 cites·8 claims
- 2268US2025377291A1Photoacoustic measurement device and photoacoustic measurement methodHITACHI HIGH TECH CORP·Filed 2025·Application pending·0 cites
- 2365US9105453B2Mass spectrometer and mass spectrometryHITACHI HIGH TECH CORP·Filed 2013·Granted Aug 11, 2015·1 cites·17 claims
- 2464US2024255480A1Measurement system, measurement method, and computer programHITACHI LTD·Filed 2023·Application pending·0 cites
- 2560US6838664B2Mass spectrometer, mass spectrometry, and monitoring systemHITACHI LTD·Filed 2003·Granted Jan 4, 2005·3 cites·5 claims
- 2659US2022341863A1Gas detection system and gas detection methodHITACHI LTD·Filed 2022·Application pending·0 cites
- 2758US11371950B2Moisture detection element, exhaled gas detector, exhalation test system, and manufacturing method of exhalation detection elementHITACHI LTD·Filed 2020·Granted Jun 28, 2022·0 cites·16 claims
- 2857US11315359B2Biological-information detecting device and biological-information detecting methodHITACHI LTD·Filed 2019·Granted Apr 26, 2022·0 cites·10 claims
- 2957US8253097B2Mass spectrometer and method of mass spectrometryISHIMARU MASAKO·Filed 2008·Granted Aug 28, 2012·1 cites·27 claims
- 3055US10942169B2Moisture detection element, exhaled gas detection device, exhaled air inspection system, and dew condensation removal methodHITACHI LTD·Filed 2018·Granted Mar 9, 2021·0 cites·10 claims
- 3155US2022243948A1Odor detection device, odor analysis system, and odor analysis methodHITACHI LTD·Filed 2022·Application pending·0 cites
- 3252US2011248157A1Mass spectrometer and mass spectrometry methodSUGIYAMA MASUYUKI·Filed 2009·Application pending·0 cites
- 3352US2011204221A1Mass spectrometer and method of mass spectrometrySATAKE HIROYUKI·Filed 2009·Application pending·0 cites
- 3447US10859524B2Humidity sensing element and hygrometerHITACHI LTD·Filed 2018·Granted Dec 8, 2020·0 cites·9 claims
- 3547US2008128615A1Real time analyzer and method for analysisHITACHI LTD·Filed 2007·Application pending·0 cites
- 3646US10883949B2Moisture detection element, gas detection device, and breath inspection systemHITACHI LTD·Filed 2015·Granted Jan 5, 2021·0 cites·11 claims
- 3745US8835834B2Mass spectrometer and mass spectrometry methodSUGIYAMA MASUYUKI·Filed 2010·Granted Sep 16, 2014·0 cites·20 claims
- 3845US2006266353A1Exhaled air filter, exhaled air collecting apparatus, exhaled air analyzing system and exhaled air analyzing methodYAMADA MASUYOSHI·Filed 2005·Application pending·0 cites
- 3943US2019125197A1Biological Information Detection Apparatus and Biological Information Detection MethodHITACHI LTD·Filed 2018·Application pending·0 cites
- 4043US2013032711A1Mass SpectrometerHITACHI HIGH TECH CORP·Filed 2012·Application pending·0 cites
- 4139USD809409SBreath alcohol content analyzerHITACHI LTD·Filed 2016·Granted Feb 6, 2018·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →