Inventor · disambiguated record
Nobukazu Ikeda
Also filed as: IKEDA NOBUKAZU
209 granted patents·25 pending applications·4,264 citations·filing 1992–2024
99Inventor score
Top patents by PatentIndex Score
234 records- 0199US6035893AShutoff-opening devices and fluid control apparatus comprising such devicesOHMI TADAHIRO·Filed 1997·Granted Mar 14, 2000·143 cites·6 claims
- 0297US6615871B2Fluid control apparatusTADAHIRO OHMI·Filed 2002·Granted Sep 9, 2003·61 cites·12 claims
- 0397US6257270B1Fluid control deviceOHMI TADAHIRO·Filed 1999·Granted Jul 10, 2001·91 cites·1 claims
- 0497US6060691ADevice for heating fluid controllerFUJIKIN KK·Filed 1998·Granted May 9, 2000·593 cites·5 claims
- 0597US5769110AFluid control apparatusFUJIKIN KK·Filed 1996·Granted Jun 23, 1998·85 cites·2 claims
- 0696US8181932B2Normally open type piezoelectric element driven metal diaphragm control valveMATSUMOTO ATSUSHI·Filed 2006·Granted May 22, 2012·33 cites·5 claims
- 0796US5975112AFluid control deviceOHMI TADAHIRO·Filed 1997·Granted Nov 2, 1999·85 cites·4 claims
- 0896US5816285APressure type flow rate control apparatusFUJIKIN KK·Filed 1997·Granted Oct 6, 1998·139 cites·6 claims
- 0994US10648572B2Valve with built-in orifice, and pressure-type flow rate control deviceFUJIKIN KK·Filed 2017·Granted May 12, 2020·7 cites·11 claims
- 1094US9870006B2Pressure type flow control system with flow monitoringFUJIKIN KK·Filed 2016·Granted Jan 16, 2018·5 cites·4 claims
- 1194US9841770B2Pressure-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
- 1294US9651467B2Raw material fluid density detectorUNIV TOKUSHIMA·Filed 2014·Granted May 16, 2017·14 cites·12 claims
- 1394US9494947B2Pressure type flow control system with flow monitoringFUJIKIN KK·Filed 2013·Granted Nov 15, 2016·15 cites·6 claims
- 1494US8724974B2VaporizerOHMI TADAHIRO·Filed 2012·Granted May 13, 2014·9 cites·16 claims
- 1594US6422264B2Parallel 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
- 1694US5983933AShutoff-opening deviceOHMI TADAHIRO·Filed 1997·Granted Nov 16, 1999·85 cites·4 claims
- 1793US10969259B2Flow 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
- 1893US8047510B2Evaporation supply apparatus for raw material and automatic pressure regulating device used therewithFUJIKIN KK·Filed 2007·Granted Nov 1, 2011·17 cites·8 claims
- 1993US6039360ACouplings for fluid controllersOHMI TADAHIRO·Filed 1998·Granted Mar 21, 2000·82 cites·6 claims
- 2092US9507352B2Variable orifice type pressure-controlled flow controllerFUJIKIN KK·Filed 2013·Granted Nov 29, 2016·16 cites·11 claims
- 2192US8931506B2Gas supply apparatus equipped with vaporizerNAGATA ATSUSHI·Filed 2009·Granted Jan 13, 2015·20 cites·15 claims
- 2292US6394415B1Fluid control valve and fluid supply/exhaust systemOHMI TADAHIRO·Filed 2000·Granted May 28, 2002·43 cites·18 claims
- 2392US5669408APressure type flow rate control apparatusFUJIKIN KK·Filed 1996·Granted Sep 23, 1997·130 cites·5 claims
- 2491US9163743B2Piezoelectrically driven valve and piezoelectrically driven flow rate control deviceHIDAKA ATSUSHI·Filed 2010·Granted Oct 20, 2015·19 cites·13 claims
- 2591US8555920B2Flow rate ratio variable type fluid supply apparatusHIRATA KAORU·Filed 2007·Granted Oct 15, 2013·41 cites·15 claims
- 2691US6871803B1Valve with an integral orificeFUJIKIN KK·Filed 2000·Granted Mar 29, 2005·61 cites·15 claims
- 2791US6820632B2Parallel 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
- 2891US6302130B1Method and apparatus for detection of orifice clogging in pressure-type flow rate controllersFUJIKIN KK·Filed 1999·Granted Oct 16, 2001·77 cites·10 claims
- 2991US6273139B1Fluid control apparatusFUJIKIN KK·Filed 1998·Granted Aug 14, 2001·70 cites·5 claims
- 3090US6152168APressure-type flow rate control apparatusFUJIKIN KK·Filed 1998·Granted Nov 28, 2000·112 cites·15 claims
- 3189US9010369B2Flow rate range variable type flow rate control apparatusFUJIKIN KK·Filed 2013·Granted Apr 21, 2015·8 cites·3 claims
- 3289US6450190B2Method of detecting abnormalities in flow rate in pressure-type flow controllerOHMI TADAHIRO·Filed 2001·Granted Sep 17, 2002·57 cites·5 claims
- 3389US5791369APressure type flow rate control apparatusFUJIKIN KK·Filed 1997·Granted Aug 11, 1998·94 cites·6 claims
- 3488US10883866B2Pressure-based flow rate control device and malfunction detection method thereforFUJIKIN KK·Filed 2016·Granted Jan 5, 2021·4 cites·9 claims
- 3588US8418714B2Flow rate range variable type flow rate control apparatusOHMI TADAHIRO·Filed 2006·Granted Apr 16, 2013·16 cites·4 claims
- 3688US8162286B2Piezoelectric driven control valveSAWADA YOHEI·Filed 2008·Granted Apr 24, 2012·17 cites·4 claims
- 3788US6289923B1Gas supply system equipped with pressure-type flow rate control unitFUJIKIN KK·Filed 1999·Granted Sep 18, 2001·61 cites·7 claims
- 3887US11054052B2Piezoelectric-element-driven valve and flow rate control deviceFUJIKIN KK·Filed 2017·Granted Jul 6, 2021·4 cites·8 claims
- 3987US10534376B2Gas divided flow supplying apparatus for semiconductor manufacturing equipmentFUJIKIN KK·Filed 2013·Granted Jan 14, 2020·10 cites·9 claims
- 4087US9383758B2Flow rate range variable type flow rate control apparatusFUJIKIN KK·Filed 2015·Granted Jul 5, 2016·4 cites·4 claims
- 4187US9163969B2Flow 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
- 4287US7416165B2Diaphragm valve for the vacuum exhaustion systemOHMI TADAHIRO·Filed 2004·Granted Aug 26, 2008·34 cites·9 claims
- 4387US5988217AShutoff-opening deviceTADAHIRO OHMI·Filed 1997·Granted Nov 23, 1999·57 cites·6 claims
- 4486US8714188B2Method 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
- 4586US6360762B2Method for feeding gases for use in semiconductor manufacturingFUJIKIN KK·Filed 2001·Granted Mar 26, 2002·33 cites·8 claims
- 4686US5366261APipe joint with a gasket retainerFUJIKIN KK·Filed 1993·Granted Nov 22, 1994·58 cites·4 claims
- 4785US11686671B2Concentration measurement deviceFUJIKIN KK·Filed 2019·Granted Jun 27, 2023·3 cites·4 claims
- 4885US11079774B2Flow rate control deviceFUJIKIN KK·Filed 2018·Granted Aug 3, 2021·5 cites·12 claims
- 4985US9631777B2Raw material vaporizing and supplying apparatus equipped with raw material concentrationNAGASE MASAAKI·Filed 2012·Granted Apr 25, 2017·4 cites·16 claims
- 5085US8561966B2Cam valveDOHI RYOUSUKE·Filed 2007·Granted Oct 22, 2013·14 cites·6 claims
Showing the top 50 of 234 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →