Inventor · disambiguated record
Ryousuke Dohi
Also filed as: DOHI RYOUSUKE
94 granted patents·9 pending applications·1,272 citations·filing 1998–2023
99Inventor score
Top patents by PatentIndex Score
103 records- 0196US8181932B2Normally open type piezoelectric element driven metal diaphragm control valveMATSUMOTO ATSUSHI·Filed 2006·Granted May 22, 2012·33 cites·5 claims
- 0294US9870006B2Pressure type flow control system with flow monitoringFUJIKIN KK·Filed 2016·Granted Jan 16, 2018·5 cites·4 claims
- 0394US9841770B2Pressure-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
- 0494US9651467B2Raw material fluid density detectorUNIV TOKUSHIMA·Filed 2014·Granted May 16, 2017·14 cites·12 claims
- 0594US9494947B2Pressure type flow control system with flow monitoringFUJIKIN KK·Filed 2013·Granted Nov 15, 2016·15 cites·6 claims
- 0694US8724974B2VaporizerOHMI TADAHIRO·Filed 2012·Granted May 13, 2014·9 cites·16 claims
- 0794US6422264B2Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply apparatusFUJIKIN KK·Filed 2000·Granted Jul 23, 2002·64 cites·5 claims
- 0893US8047510B2Evaporation supply apparatus for raw material and automatic pressure regulating device used therewithFUJIKIN KK·Filed 2007·Granted Nov 1, 2011·17 cites·8 claims
- 0992US9507352B2Variable orifice type pressure-controlled flow controllerFUJIKIN KK·Filed 2013·Granted Nov 29, 2016·16 cites·11 claims
- 1092US8931506B2Gas supply apparatus equipped with vaporizerNAGATA ATSUSHI·Filed 2009·Granted Jan 13, 2015·20 cites·15 claims
- 1191US9163743B2Piezoelectrically driven valve and piezoelectrically driven flow rate control deviceHIDAKA ATSUSHI·Filed 2010·Granted Oct 20, 2015·19 cites·13 claims
- 1291US8555920B2Flow rate ratio variable type fluid supply apparatusHIRATA KAORU·Filed 2007·Granted Oct 15, 2013·41 cites·15 claims
- 1391US6871803B1Valve with an integral orificeFUJIKIN KK·Filed 2000·Granted Mar 29, 2005·61 cites·15 claims
- 1491US6820632B2Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply apparatusFUJIKIN KK·Filed 2002·Granted Nov 23, 2004·39 cites·3 claims
- 1591US6302130B1Method and apparatus for detection of orifice clogging in pressure-type flow rate controllersFUJIKIN KK·Filed 1999·Granted Oct 16, 2001·77 cites·10 claims
- 1690US6152168APressure-type flow rate control apparatusFUJIKIN KK·Filed 1998·Granted Nov 28, 2000·112 cites·15 claims
- 1789US9010369B2Flow rate range variable type flow rate control apparatusFUJIKIN KK·Filed 2013·Granted Apr 21, 2015·8 cites·3 claims
- 1889US6450190B2Method of detecting abnormalities in flow rate in pressure-type flow controllerOHMI TADAHIRO·Filed 2001·Granted Sep 17, 2002·57 cites·5 claims
- 1988US8418714B2Flow rate range variable type flow rate control apparatusOHMI TADAHIRO·Filed 2006·Granted Apr 16, 2013·16 cites·4 claims
- 2088US6289923B1Gas supply system equipped with pressure-type flow rate control unitFUJIKIN KK·Filed 1999·Granted Sep 18, 2001·61 cites·7 claims
- 2187US11054052B2Piezoelectric-element-driven valve and flow rate control deviceFUJIKIN KK·Filed 2017·Granted Jul 6, 2021·4 cites·8 claims
- 2287US10534376B2Gas divided flow supplying apparatus for semiconductor manufacturing equipmentFUJIKIN KK·Filed 2013·Granted Jan 14, 2020·10 cites·9 claims
- 2387USD766113SWearable thermometer for measuring temperature inside a person's clothesKK FUJIKIN·Filed 2015·Granted Sep 13, 2016·35 cites·1 claims
- 2487US9383758B2Flow rate range variable type flow rate control apparatusFUJIKIN KK·Filed 2015·Granted Jul 5, 2016·4 cites·4 claims
- 2587US9163969B2Flow 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
- 2686US8714188B2Method 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
- 2785US11079774B2Flow rate control deviceFUJIKIN KK·Filed 2018·Granted Aug 3, 2021·5 cites·12 claims
- 2885US8561966B2Cam valveDOHI RYOUSUKE·Filed 2007·Granted Oct 22, 2013·14 cites·6 claims
- 2984US9556518B2Raw material gas supply apparatus for semiconductor manufacturing equipmentFUJIKIN KK·Filed 2014·Granted Jan 31, 2017·6 cites·7 claims
- 3084US9133951B2Gasket 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
- 3183US9632511B2Pressure type flow control system with flow monitoring, and method for detecting anomaly in fluid supply system and handling method at abnormal monitoring flow rate using the sameFUJIKIN KK·Filed 2013·Granted Apr 25, 2017·7 cites·11 claims
- 3283US8191856B2Piezoelectric element driven metal diaphragm control valveMATSUMOTO ATSUSHI·Filed 2010·Granted Jun 5, 2012·5 cites·7 claims
- 3382US10386861B2Pressure type flow control system with flow monitoring, and method for detecting anomaly in fluid supply system and handling method at abnormal monitoring flow rate using the sameFUJIKIN KK·Filed 2017·Granted Aug 20, 2019·3 cites·5 claims
- 3482US7654137B2Corrosion-resistant metal made sensor for fluid and a fluid supply device for which the sensor is employedFUJIKIN KK·Filed 2005·Granted Feb 2, 2010·13 cites·11 claims
- 3581US11346457B2Piezoelectric driven valve, pressure-type flow rate control device, and vaporization supply deviceFUJIKIN KK·Filed 2021·Granted May 31, 2022·1 cites·10 claims
- 3681US8833730B2Cam control valveSAWADA YOHEI·Filed 2010·Granted Sep 16, 2014·6 cites·7 claims
- 3781US7945414B2Method 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
- 3881US7085628B2Apparatus for the correction of temperature drift for pressure sensor, pressure control apparatus and pressure-type flow rate control apparatusTOKYO ELECTRON LTD·Filed 2002·Granted Aug 1, 2006·26 cites·18 claims
- 3981US6964279B2Pressure-type flow rate control apparatusTOKYO ELECTRON LTD·Filed 2002·Granted Nov 15, 2005·27 cites·6 claims
- 4080US10711902B2Flow dividing valveFUJIKIN KK·Filed 2018·Granted Jul 14, 2020·3 cites·7 claims
- 4180US10372145B2Pressure-type flow rate control deviceFUJIKIN KK·Filed 2014·Granted Aug 6, 2019·4 cites·10 claims
- 4280US8757197B2Automatic pressure regulator for flow rate regulatorHIRATA KAORU·Filed 2009·Granted Jun 24, 2014·16 cites·7 claims
- 4380US7278437B2Method 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
- 4480US7150444B2Valve with an integral orificeFUJIKIN KK·Filed 2004·Granted Dec 19, 2006·19 cites·9 claims
- 4579US10156295B2Piezoelectric linear actuator, piezoelectrically driven valve, and flow rate control deviceFUJIKIN KK·Filed 2015·Granted Dec 18, 2018·3 cites·22 claims
- 4679US6178995B1Fluid supply apparatusFUJIKIN KK·Filed 1999·Granted Jan 30, 2001·63 cites·6 claims
- 4777US11768123B2Diaphragm type pressure sensor arrangement having corrosion resistance and yield strengthFUJIKIN KK·Filed 2019·Granted Sep 26, 2023·2 cites·8 claims
- 4877US9233347B2Mixed gas supply deviceNAGASE MASAAKI·Filed 2010·Granted Jan 12, 2016·4 cites·15 claims
- 4977US8662471B2Solenoid valveOHMI TADAHIRO·Filed 2009·Granted Mar 4, 2014·9 cites·6 claims
- 5077US7926509B2Method 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
Showing the top 50 of 103 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →