Inventor
DOHI RYOUSUKE
JP94 patents
⚠️ This page may combine multiple inventors who share the name “DOHI RYOUSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIKIN KK
31 patentsUS6152168ANov 28, 2000
Pressure-type flow rate control apparatus
FUJIKIN KK112 citations97
US6871803B1Mar 29, 2005
Valve with an integral orifice
FUJIKIN KK61 citations96
US6820632B2Nov 23, 2004
Parallel 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 apparatus
FUJIKIN KK39 citations96
US6422264B2Jul 23, 2002
Parallel 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 apparatus
FUJIKIN KK64 citations96
US6302130B1Oct 16, 2001
Method and apparatus for detection of orifice clogging in pressure-type flow rate controllers
FUJIKIN KK77 citations96
US6289923B1Sep 18, 2001
Gas supply system equipped with pressure-type flow rate control unit
FUJIKIN KK61 citations96
US6178995B1Jan 30, 2001
Fluid supply apparatus
FUJIKIN KK63 citations95
US9494947B2Nov 15, 2016
Pressure type flow control system with flow monitoring
FUJIKIN KK15 citations93
US7150444B2Dec 19, 2006
Valve with an integral orifice
FUJIKIN KK19 citations93
US6848470B2Feb 1, 2005
Parallel 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 apparatus
FUJIKIN KK15 citations92
US6158679ADec 12, 2000
Orifice for pressure type flow rate control unit and process for manufacturing orifice
FUJIKIN KK37 citations91
US10534376B2Jan 14, 2020
Gas divided flow supplying apparatus for semiconductor manufacturing equipment
FUJIKIN KK10 citations84
US9870006B2Jan 16, 2018
Pressure type flow control system with flow monitoring
FUJIKIN KK5 citations84
US9841770B2Dec 12, 2017
Pressure-type flow control device and method for preventing overshooting at start of flow control performed by said device
FUJIKIN KK10 citations84
US9632511B2Apr 25, 2017
Pressure 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 same
FUJIKIN KK7 citations84
US9507352B2Nov 29, 2016
Variable orifice type pressure-controlled flow controller
FUJIKIN KK16 citations84
US9163969B2Oct 20, 2015
Flow rate measurement device and flow rate measurement method for flow rate controller for gas supply device
FUJIKIN KK8 citations84
US8047510B2Nov 1, 2011
Evaporation supply apparatus for raw material and automatic pressure regulating device used therewith
FUJIKIN KK17 citations84
US7945414B2May 17, 2011
Method for detecting abnormality in fluid supply line using fluid control apparatus with pressure sensor
FUJIKIN KK16 citations84
US7654137B2Feb 2, 2010
Corrosion-resistant metal made sensor for fluid and a fluid supply device for which the sensor is employed
FUJIKIN KK13 citations84
US7594517B2Sep 29, 2009
Gas supply facility of a chamber and a method for an internal pressure control of the chamber for which the facility is employed
FUJIKIN KK8 citations84
US7367241B2May 6, 2008
Differential pressure type flowmeter and differential pressure type flow controller
FUJIKIN KK10 citations84
US7363810B2Apr 29, 2008
Corrosion resistant metal made thermal type mass flow rate sensor and a fluid supply device using the same
FUJIKIN KK11 citations84
US7278437B2Oct 9, 2007
Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the method
FUJIKIN KK11 citations84
US6606912B2Aug 19, 2003
Structure or construction for mounting a pressure detector
FUJIKIN KK14 citations84
US9010369B2Apr 21, 2015
Flow rate range variable type flow rate control apparatus
FUJIKIN KK8 citations83
US7669455B2Mar 2, 2010
Automatic zero point correction device for a pressure sensor, a pressure control device and a pressure type flow rate control device
FUJIKIN KK9 citations83
US7798167B2Sep 21, 2010
Internal pressure controller of chamber and internal pressure subject-to-control type chamber
FUJIKIN KK14 citations82
US7849869B2Dec 14, 2010
Method for water hammerless opening of fluid passage, and method for supplying chemical solutions and device for water hammerless opening for which the method is used
FUJIKIN KK6 citations74
US7219533B2May 22, 2007
Small hole diameter automatic measuring apparatus, small hole diameter measurement method, and shower plate manufacturing method
FUJIKIN KK7 citations74
US11079774B2Aug 3, 2021
Flow rate control device
FUJIKIN KK5 citations73
OHMI TADAHIRO
6 patentsUS6450190B2Sep 17, 2002
Method of detecting abnormalities in flow rate in pressure-type flow controller
OHMI TADAHIRO57 citations96
US9133951B2Sep 15, 2015
Gasket type orifice and pressure type flow rate control apparatus for which the orifice is employed
OHMI TADAHIRO14 citations84
US8724974B2May 13, 2014
Vaporizer
OHMI TADAHIRO9 citations84
US8714188B2May 6, 2014
Method for water hammerless opening of fluid passage, and method for supplying chemical solutions and device for water hammerless opening for which the method is used
OHMI TADAHIRO7 citations84
US8418714B2Apr 16, 2013
Flow rate range variable type flow rate control apparatus
OHMI TADAHIRO16 citations83
US8662471B2Mar 4, 2014
Solenoid valve
OHMI TADAHIRO9 citations82
HIRATA KAORU
2 patentsTOKYO ELECTRON LTD
2 patentsMATSUMOTO ATSUSHI
1 patentNAGATA ATSUSHI
1 patentKK FUJIKIN
1 patentUNIV TOKUSHIMA
1 patentNAGASE MASAAKI
1 patentHIDAKA ATSUSHI
1 patentDOHI RYOUSUKE
1 patentSUGIYAMA KAZUHIKO
1 patentNISHINO KOUJI
1 patentShowing the top 50 of 94 patents by PatentIndex Score.