Inventor

Ryousuke Dohi

Inventor

Osaka, JP

Overview

2000–2021

Patent span

Physics

Primary field (CPC G)

Patents· 87 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G05Dprimary

G05DSystems for controlling or regulating non-electric variables24%

Y10TTechnical subjects covered by former us classification21%

F16KValves14%

G01FMeasuring volume, volume flow, mass flow or liquid level9%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%

F16LPipes4%

H01LSemiconductor devices3%

C23CCoating metallic material2%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure2%

G01NInvestigating or analysing materials by determining their chemical or physical properties1%

PatentTitleYear

11,079,774Flow rate control device2021 11,054,052Piezoelectric-element-driven valve and flow rate control device2021 10,711,902Flow dividing valve2020 D0879248Fluid control valve unit2020 10,573,801Piezoelectric linear actuator, piezoelectrically driven valve, and flow rate control device2020 10,534,376Gas divided flow supplying apparatus for semiconductor manufacturing equipment2020 10,385,998Fixing structure for seal member in fluid control apparatus, joint, and fluid control apparatus2019 10,386,861Pressure 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 same2019 10,386,863Pressure-type flow controller2019 10,372,145Pressure-type flow rate control device2019 10,309,561Flow passage sealing structure2019 10,261,522Pressure-type flow rate control device2019 10,174,858Piezoelectric element-driven valve and flow rate control device including piezoelectric element-driven valve2019 10,156,295Piezoelectric linear actuator, piezoelectrically driven valve, and flow rate control device2018 10,073,469Flow meter and flow control device provided therewith2018 10,030,789Diaphragm valve2018 10,012,334Structure for attaching pressure detector2018 D0820394Fluid control valve unit2018 D0820395Joint member for a fluid controller2018 9,983,051Fastening structure for brittle-fracturable panel, and method for fastening light transmission window panel comprising brittle-fracturable panel employing same2018 9,921,089'Flow rate range variable type flow rate control apparatus'2018 9,870,006'Pressure type flow control system with flow monitoring'2018 9,841,770'Pressure-type flow control device and method for preventing overshooting at start of flow control performed by said device'2017 9,746,856'Multi-hole orifice plate for flow control, and flow controller using the same'2017 9,702,781'Leakage detection device and fluid controller including same'2017 9,651,467'Raw material fluid density detector'2017 9,638,560'Calibration method and flow rate measurement method for flow rate controller for gas supply device'2017 9,632,511'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'2017 9,574,917'Pressure type flow rate control device'2017 9,556,518'Raw material gas supply apparatus for semiconductor manufacturing equipment'2017 9,507,352'Variable orifice type pressure-controlled flow controller'2016 9,494,947'Pressure type flow control system with flow monitoring'2016 9,477,232'Apparatus for dividing and supplying gas and method for dividing and supplying gas'2016 D0766113'Wearable thermometer for measuring temperature inside a person\'s clothes'2016 9,383,758'Flow rate range variable type flow rate control apparatus'2016 9,261,884'Apparatus for dividing and supplying gas and method for dividing and supplying gas by use of this apparatus'2016 9,233,347'Mixed gas supply device'2016 9,200,725'Opening degree detection device for manual valve'2015 9,169,558'Fluid control apparatus'2015 9,163,743'Piezoelectrically driven valve and piezoelectrically driven flow rate control device'2015 9,163,969'Flow rate measurement device and flow rate measurement method for flow rate controller for gas supply device'2015 9,133,951'Gasket type orifice and pressure type flow rate control apparatus for which the orifice is employed'2015 9,098,082'Device and method for supplying gas while dividing to chamber from gas supplying facility equipped with flow controller'2015 9,038,663'Opening degree detection device for automatically operated valve'2015 9,010,369'Flow rate range variable type flow rate control apparatus'2015 8,931,506'Gas supply apparatus equipped with vaporizer'2015 8,833,730'Cam control valve'2014 8,757,197'Automatic pressure regulator for flow rate regulator'2014 8,724,974'Vaporizer'2014 8,714,188'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'2014 8,662,471'Solenoid valve'2014 8,601,976'Gas supply system for semiconductor manufacturing facilities'2013 8,606,412'Method for detecting malfunction of valve on the downstream side of throttle mechanism of pressure type flow control apparatus'2013 8,587,180'Pressure control valve driving circuit for pressure type flow rate control device with flow rate self-diagnosis function'2013 8,561,966'Cam valve'2013 8,555,920'Flow rate ratio variable type fluid supply apparatus'2013 8,496,022'Device and method for supplying gas while dividing to chamber from gas supplying facility equipped with flow controller'2013 8,418,714'Flow rate range variable type flow rate control apparatus'2013 8,191,856'Piezoelectric element driven metal diaphragm control valve'2012 8,181,932'Normally open type piezoelectric element driven metal diaphragm control valve'2012 8,047,510'Evaporation supply apparatus for raw material and automatic pressure regulating device used therewith'2011 8,047,225'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'2011 7,945,414'Method for detecting abnormality in fluid supply line using fluid control apparatus with pressure sensor'2011 7,926,509'Method for flow rate control of clustering fluid and device for flow rate control of clustering fluid employed in the method'2011 7,849,869'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'2010 7,798,167'Internal pressure controller of chamber and internal pressure subject-to-control type chamber'2010 7,669,455'Automatic zero point correction device for a pressure sensor, a pressure control device and a pressure type flow rate control device'2010 7,654,137'Corrosion-resistant metal made sensor for fluid and a fluid supply device for which the sensor is employed'2010 7,594,517'Gas supply facility of a chamber and a method for an internal pressure control of the chamber for which the facility is employed'2009 7,367,241'Differential pressure type flowmeter and differential pressure type flow controller'2008 7,363,810'Corrosion resistant metal made thermal type mass flow rate sensor and a fluid supply device using the same'2008 7,278,437'Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the method'2007 7,219,533'Small hole diameter automatic measuring apparatus, small hole diameter measurement method, and shower plate manufacturing method'2007 7,150,444'Valve with an integral orifice'2006 7,085,628'Apparatus for the correction of temperature drift for pressure sensor, pressure control apparatus and pressure-type flow rate control apparatus'2006 6,964,279'Pressure-type flow rate control apparatus'2005 6,871,803'Valve with an integral orifice'2005 6,848,470'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'2005 6,820,632'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'2004 6,606,912'Structure or construction for mounting a pressure detector'2003 6,450,190'Method of detecting abnormalities in flow rate in pressure-type flow controller'2002 6,422,264'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'2002 6,302,130'Method and apparatus for detection of orifice clogging in pressure-type flow rate controllers'2001 6,289,923'Gas supply system equipped with pressure-type flow rate control unit'2001 6,178,995'Fluid supply apparatus'2001 6,158,679'Orifice for pressure type flow rate control unit and process for manufacturing orifice'2000 6,152,168'Pressure-type flow rate control apparatus'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2021Patents assigned to FUJIKIN KK (83)· patent assignee history

2000–2018Patents assigned to TOKYO ELECTRON LTD (22)· patent assignee history

2000–2020Based in Osaka, JP· patent location history

2012–2017Patents assigned to DOHI RYOUSUKE (23)· patent assignee history

2012–2017Patents assigned to IKEDA NOBUKAZU (23)· patent assignee history

2012–2017Patents assigned to NISHINO KOUJI (23)· patent assignee history

2021Based in Osaka-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJIKIN KK	83	2000–2021
DOHI RYOUSUKEself	23	2012–2017
IKEDA NOBUKAZU	23	2012–2017
NISHINO KOUJI	23	2012–2017
TOKYO ELECTRON LTD	22	2000–2018

Locations

Location	Patents	Span
Osaka, JP	85	2000–2020
Osaka-shi, JP	2	2021