Inventor · disambiguated record
Masaaki Nagase
Also filed as: NAGASE MASAAKI
76 granted patents·8 pending applications·407 citations·filing 1981–2024
99Inventor score
Top patents by PatentIndex Score
84 records- 0194US10648572B2Valve with built-in orifice, and pressure-type flow rate control deviceFUJIKIN KK·Filed 2017·Granted May 12, 2020·7 cites·11 claims
- 0294US9841770B2Pressure-type flow control device and method for preventing overshooting at start of flow control performed by said deviceFUJIKIN KK·Filed 2015·Granted Dec 12, 2017·10 cites·13 claims
- 0394US9651467B2Raw material fluid density detectorUNIV TOKUSHIMA·Filed 2014·Granted May 16, 2017·14 cites·12 claims
- 0494US8724974B2VaporizerOHMI TADAHIRO·Filed 2012·Granted May 13, 2014·9 cites·16 claims
- 0593US10969259B2Flow rate control device, method of calibrating flow rate of flow rate control device, flow rate measuring device, and method of measuring flow rate using flow rate measuring deviceFUJIKIN KK·Filed 2017·Granted Apr 6, 2021·6 cites·8 claims
- 0693US8047510B2Evaporation supply apparatus for raw material and automatic pressure regulating device used therewithFUJIKIN KK·Filed 2007·Granted Nov 1, 2011·17 cites·8 claims
- 0792US8931506B2Gas supply apparatus equipped with vaporizerNAGATA ATSUSHI·Filed 2009·Granted Jan 13, 2015·20 cites·15 claims
- 0891US9163743B2Piezoelectrically driven valve and piezoelectrically driven flow rate control deviceHIDAKA ATSUSHI·Filed 2010·Granted Oct 20, 2015·19 cites·13 claims
- 0989US9010369B2Flow rate range variable type flow rate control apparatusFUJIKIN KK·Filed 2013·Granted Apr 21, 2015·8 cites·3 claims
- 1088US8418714B2Flow rate range variable type flow rate control apparatusOHMI TADAHIRO·Filed 2006·Granted Apr 16, 2013·16 cites·4 claims
- 1187US9383758B2Flow rate range variable type flow rate control apparatusFUJIKIN KK·Filed 2015·Granted Jul 5, 2016·4 cites·4 claims
- 1287US9163969B2Flow rate measurement device and flow rate measurement method for flow rate controller for gas supply deviceFUJIKIN KK·Filed 2013·Granted Oct 20, 2015·8 cites·2 claims
- 1386US8714188B2Method for water hammerless opening of fluid passage, and method for supplying chemical solutions and device for water hammerless opening for which the method is usedOHMI TADAHIRO·Filed 2011·Granted May 6, 2014·7 cites·2 claims
- 1485US11686671B2Concentration measurement deviceFUJIKIN KK·Filed 2019·Granted Jun 27, 2023·3 cites·4 claims
- 1585US9631777B2Raw material vaporizing and supplying apparatus equipped with raw material concentrationNAGASE MASAAKI·Filed 2012·Granted Apr 25, 2017·4 cites·16 claims
- 1685US5206954ASatellite signal receiving apparatusMASPRO DENKO KK·Filed 1991·Granted Apr 27, 1993·79 cites·22 claims
- 1784US9556518B2Raw material gas supply apparatus for semiconductor manufacturing equipmentFUJIKIN KK·Filed 2014·Granted Jan 31, 2017·6 cites·7 claims
- 1884US9133951B2Gasket type orifice and pressure type flow rate control apparatus for which the orifice is employedOHMI TADAHIRO·Filed 2006·Granted Sep 15, 2015·14 cites·11 claims
- 1982US11391668B2Concentration measurement deviceFUJIKIN KK·Filed 2019·Granted Jul 19, 2022·1 cites·6 claims
- 2082US10408742B2Optical gas concentration measuring method by forming a differential signal using lights with different absorbabilities to a raw material in a gas flow path using a time-sharing methodFUJIKIN KK·Filed 2015·Granted Sep 10, 2019·2 cites·6 claims
- 2182US9733649B2Flow control system with build-down system flow monitoringFUJIKIN KK·Filed 2013·Granted Aug 15, 2017·5 cites·9 claims
- 2281US11796458B2Concentration measurement deviceFUJIKIN KK·Filed 2020·Granted Oct 24, 2023·1 cites·5 claims
- 2381US9791867B2Flow control device equipped with flow monitorFUJIKIN KK·Filed 2014·Granted Oct 17, 2017·5 cites·7 claims
- 2481US7945414B2Method for detecting abnormality in fluid supply line using fluid control apparatus with pressure sensorFUJIKIN KK·Filed 2006·Granted May 17, 2011·16 cites·12 claims
- 2580US10928303B2Concentration measuring deviceUNIV TOKUSHIMA·Filed 2017·Granted Feb 23, 2021·2 cites·17 claims
- 2680US7278437B2Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the methodFUJIKIN KK·Filed 2006·Granted Oct 9, 2007·11 cites·7 claims
- 2780US7080658B2Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the methodFUJIKIN KK·Filed 2005·Granted Jul 25, 2006·13 cites·3 claims
- 2879US11914407B2Flow rate control deviceFUJIKIN KK·Filed 2020·Granted Feb 27, 2024·1 cites·2 claims
- 2977US9233347B2Mixed gas supply deviceNAGASE MASAAKI·Filed 2010·Granted Jan 12, 2016·4 cites·15 claims
- 3077US7926509B2Method for flow rate control of clustering fluid and device for flow rate control of clustering fluid employed in the methodFUJIKIN KK·Filed 2005·Granted Apr 19, 2011·6 cites·12 claims
- 3177US7798167B2Internal pressure controller of chamber and internal pressure subject-to-control type chamberFUJIKIN KK·Filed 2006·Granted Sep 21, 2010·14 cites·8 claims
- 3276US9574917B2Pressure type flow rate control deviceHIDAKA ATSUSHI·Filed 2012·Granted Feb 21, 2017·5 cites·14 claims
- 3375US11630058B2Concentration measurement deviceFUJIKIN KK·Filed 2022·Granted Apr 18, 2023·0 cites·5 claims
- 3475US10371630B2Inline concentration meter and concentration detection methodUNIV TOKUSHIMA·Filed 2014·Granted Aug 6, 2019·2 cites·16 claims
- 3575US7849869B2Method for water hammerless opening of fluid passage, and method for supplying chemical solutions and device for water hammerless opening for which the method is usedFUJIKIN KK·Filed 2005·Granted Dec 14, 2010·6 cites·12 claims
- 3674US9638560B2Calibration method and flow rate measurement method for flow rate controller for gas supply deviceNAGASE MASAAKI·Filed 2011·Granted May 2, 2017·7 cites·3 claims
- 3773US11215374B2Fluid sealing device and pressure detector calibration deviceFUJIKIN KK·Filed 2019·Granted Jan 4, 2022·1 cites·4 claims
- 3873US10976240B2Concentration measurement deviceUNIV TOKUSHIMA·Filed 2016·Granted Apr 13, 2021·1 cites·11 claims
- 3973US9994955B2Raw material vaporization and supply apparatusFUJIKIN KK·Filed 2013·Granted Jun 12, 2018·1 cites·14 claims
- 4073US8020574B2Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the methodFUJIKIN KK·Filed 2007·Granted Sep 20, 2011·8 cites·21 claims
- 4172US10876870B2Method of determining flow rate of a gas in a substrate processing systemTOKYO ELECTRON LTD·Filed 2019·Granted Dec 29, 2020·1 cites·9 claims
- 4271US9921089B2Flow rate range variable type flow rate control apparatusFUJIKIN KK·Filed 2016·Granted Mar 20, 2018·2 cites·4 claims
- 4371US8601976B2Gas supply system for semiconductor manufacturing facilitiesNISHINO KOUJI·Filed 2008·Granted Dec 10, 2013·11 cites·4 claims
- 4471US8047225B2Method for water hammerless opening of fluid passage, and method for supplying chemical solutions and device for water hammerless opening for which the method is usedFUJIKIN KK·Filed 2009·Granted Nov 1, 2011·4 cites·3 claims
- 4570US12174647B2Flow rate control deviceFUJIKIN KK·Filed 2024·Granted Dec 24, 2024·0 cites·5 claims
- 4670US9746856B2Multi-hole orifice plate for flow control, and flow controller using the sameFUJIKIN KK·Filed 2014·Granted Aug 29, 2017·2 cites·12 claims
- 4767US10604840B2Liquid level indicator and liquid raw material vaporization feederFUJIKIN KK·Filed 2015·Granted Mar 31, 2020·1 cites·16 claims
- 4863US10073469B2Flow meter and flow control device provided therewithFUJIKIN KK·Filed 2014·Granted Sep 11, 2018·1 cites·16 claims
- 4963US8606412B2Method for detecting malfunction of valve on the downstream side of throttle mechanism of pressure type flow control apparatusNAGASE MASAAKI·Filed 2007·Granted Dec 10, 2013·5 cites·12 claims
- 5061US12398819B2Controller and vaporization supply deviceFUJIKIN KK·Filed 2022·Granted Aug 26, 2025·0 cites·11 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →