Inventor
IGARASHI HIROKI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “IGARASHI HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SURPASS IND CO LTD
22 patentsUS6988710B2Jan 24, 2006
Flow regulating device
SURPASS IND CO LTD23 citations92
US6932318B2Aug 23, 2005
Flow control device
SURPASS IND CO LTD23 citations92
US9453587B2Sep 27, 2016
Flow rate adjusting device
SURPASS IND CO LTD10 citations84
US7637152B2Dec 29, 2009
Flow meter and flow-regulating system using the same
SURPASS IND CO LTD14 citations84
US9304517B2Apr 5, 2016
Flow control device
SURPASS IND CO LTD7 citations83
US7891256B2Feb 22, 2011
Differential-pressure flow meter having a main control board in a space in a base member
SURPASS IND CO LTD7 citations83
US6755389B2Jun 29, 2004
Flow regulation valve
SURPASS IND CO LTD12 citations74
US10883617B2Jan 5, 2021
Valve
SURPASS IND CO LTD2 citations73
US9500503B2Nov 22, 2016
Differential pressure type flowmeter and flow controller provided with the same
SURPASS IND CO LTD3 citations73
US9322488B2Apr 26, 2016
Pneumatic control valve and assembling method thereof
SURPASS IND CO LTD5 citations73
US9010719B2Apr 21, 2015
Flow control device
SURPASS IND CO LTD6 citations72
US8006572B2Aug 30, 2011
Differential-pressure flow meter and flow-rate controller
SURPASS IND CO LTD4 citations63
US7216667B2May 15, 2007
Valve opening/closing handle lock mechanism
SURPASS IND CO LTD4 citations63
US7610817B2Nov 3, 2009
Orifice member, and differential-pressure flow meter and flow-regulating apparatus using the same
SURPASS IND CO LTD5 citations62
US6863088B2Mar 8, 2005
Replaceable oriface unit
SURPASS IND CO LTD6 citations57
US8365768B2Feb 5, 2013
Fluidic device unit structure
SURPASS IND CO LTD1 citations52
US6874531B2Apr 5, 2005
Relief valve
SURPASS IND CO LTD1 citations52
US11236840B2Feb 1, 2022
Flow rate regulating device and control method of flow rate regulating device
SURPASS IND CO LTD0 citations48
US10519941B2Dec 31, 2019
Flow control apparatus
SURPASS IND CO LTD0 citations42
US10309815B2Jun 4, 2019
Thermal flow meter with reinforcing plate and method of manufacturing the same
SURPASS IND CO LTD0 citations42
US10024704B2Jul 17, 2018
Thermal flow meter having seal areas with deformed ferrules
SURPASS IND CO LTD0 citations42
US9977436B2May 22, 2018
Flow rate adjustment apparatus
SURPASS IND CO LTD0 citations42
IGARASHI HIROKI
10 patentsUS8225814B2Jul 24, 2012
Differential-pressure flowmeter and flow-rate controller
IGARASHI HIROKI39 citations94
US8783295B2Jul 22, 2014
Fluidic device unit structure
IGARASHI HIROKI8 citations84
US8590561B2Nov 26, 2013
Pressure sensor, differential pressure type flow meter, and flow rate controller
IGARASHI HIROKI10 citations84
US8104740B2Jan 31, 2012
Flow control device
IGARASHI HIROKI14 citations84
US8707997B2Apr 29, 2014
Fluid device unit structure
IGARASHI HIROKI6 citations73
US8522825B2Sep 3, 2013
Fluid apparatus unit structure
IGARASHI HIROKI5 citations73
US8205635B2Jun 26, 2012
Flowmeter and flow-rate controller
IGARASHI HIROKI6 citations73
US8707992B2Apr 29, 2014
Fluid apparatus unit structure
IGARASHI HIROKI2 citations62
US8490645B2Jul 23, 2013
Pressure sensor, pressure-differential flow rate meter, and flow rate controller
IGARASHI HIROKI4 citations62
US8297306B2Oct 30, 2012
Fluid regulator
IGARASHI HIROKI2 citations62
SHARP KK
3 patentsUS9935551B2Apr 3, 2018
Switching circuit including serially connected transistors for reducing transient current at time of turning off, and power supply circuit provided therewith
SHARP KK3 citations72
US9627973B2Apr 18, 2017
Switching power supply device, and inverter, converter, and solar power controller including same
SHARP KK6 citations72
US9793793B2Oct 17, 2017
Power factor correction circuit and power supply device
SHARP KK0 citations41