Inventor · disambiguated record
Hiroki Igarashi
Also filed as: IGARASHI HIROKI
41 granted patents·6 pending applications·484 citations·filing 1985–2025
98Inventor score
Top patents by PatentIndex Score
47 records- 0198US8225814B2Differential-pressure flowmeter and flow-rate controllerIGARASHI HIROKI·Filed 2010·Granted Jul 24, 2012·39 cites·7 claims
- 0293US8573247B2Flow-rate controller, and regulator unit and valve unit used for the sameUSHIGUSA YOSHIHIRO·Filed 2006·Granted Nov 5, 2013·36 cites·2 claims
- 0391US4628187APlanar resistance heating elementTOKYO COSMOS ELECTRIC·Filed 1985·Granted Dec 9, 1986·118 cites·14 claims
- 0490US9453587B2Flow rate adjusting deviceSURPASS IND CO LTD·Filed 2013·Granted Sep 27, 2016·10 cites·3 claims
- 0589US8307845B2Flow rate controllerKOUCHI MIZUHO·Filed 2010·Granted Nov 13, 2012·57 cites·2 claims
- 0683US9500503B2Differential pressure type flowmeter and flow controller provided with the sameSURPASS IND CO LTD·Filed 2015·Granted Nov 22, 2016·3 cites·8 claims
- 0783US9010719B2Flow control deviceSURPASS IND CO LTD·Filed 2013·Granted Apr 21, 2015·6 cites·2 claims
- 0883US7987680B2Air conditionerFUJITSU GENERAL LTD·Filed 2006·Granted Aug 2, 2011·22 cites·37 claims
- 0983US7637152B2Flow meter and flow-regulating system using the sameSURPASS IND CO LTD·Filed 2006·Granted Dec 29, 2009·14 cites·13 claims
- 1082US9627973B2Switching power supply device, and inverter, converter, and solar power controller including sameSHARP KK·Filed 2014·Granted Apr 18, 2017·6 cites·8 claims
- 1182US9304517B2Flow control deviceSURPASS IND CO LTD·Filed 2013·Granted Apr 5, 2016·7 cites·3 claims
- 1282US6988710B2Flow regulating deviceSURPASS IND CO LTD·Filed 2004·Granted Jan 24, 2006·23 cites·18 claims
- 1381US9322488B2Pneumatic control valve and assembling method thereofSURPASS IND CO LTD·Filed 2013·Granted Apr 26, 2016·5 cites·4 claims
- 1481US6932318B2Flow control deviceSURPASS IND CO LTD·Filed 2003·Granted Aug 23, 2005·23 cites·5 claims
- 1580US8205635B2Flowmeter and flow-rate controllerIGARASHI HIROKI·Filed 2010·Granted Jun 26, 2012·6 cites·6 claims
- 1679US8104740B2Flow control deviceIGARASHI HIROKI·Filed 2005·Granted Jan 31, 2012·14 cites·18 claims
- 1778US8590561B2Pressure sensor, differential pressure type flow meter, and flow rate controllerIGARASHI HIROKI·Filed 2008·Granted Nov 26, 2013·10 cites·3 claims
- 1877US10883617B2ValveSURPASS IND CO LTD·Filed 2018·Granted Jan 5, 2021·2 cites·6 claims
- 1977US8783295B2Fluidic device unit structureIGARASHI HIROKI·Filed 2007·Granted Jul 22, 2014·8 cites·22 claims
- 2075US9935551B2Switching circuit including serially connected transistors for reducing transient current at time of turning off, and power supply circuit provided therewithSHARP KK·Filed 2015·Granted Apr 3, 2018·3 cites·15 claims
- 2175US8490645B2Pressure sensor, pressure-differential flow rate meter, and flow rate controllerIGARASHI HIROKI·Filed 2011·Granted Jul 23, 2013·4 cites·6 claims
- 2273US8707997B2Fluid device unit structureIGARASHI HIROKI·Filed 2008·Granted Apr 29, 2014·6 cites·3 claims
- 2370US8522825B2Fluid apparatus unit structureIGARASHI HIROKI·Filed 2008·Granted Sep 3, 2013·5 cites·1 claims
- 2470US7891256B2Differential-pressure flow meter having a main control board in a space in a base memberSURPASS IND CO LTD·Filed 2006·Granted Feb 22, 2011·7 cites·5 claims
- 2570US7610817B2Orifice member, and differential-pressure flow meter and flow-regulating apparatus using the sameSURPASS IND CO LTD·Filed 2006·Granted Nov 3, 2009·5 cites·16 claims
- 2666US6755389B2Flow regulation valveSURPASS IND CO LTD·Filed 2001·Granted Jun 29, 2004·12 cites·18 claims
- 2766US2025303548A1Robot and robot systemSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 2863US8006572B2Differential-pressure flow meter and flow-rate controllerSURPASS IND CO LTD·Filed 2009·Granted Aug 30, 2011·4 cites·4 claims
- 2962US8707992B2Fluid apparatus unit structureIGARASHI HIROKI·Filed 2008·Granted Apr 29, 2014·2 cites·11 claims
- 3059US8297306B2Fluid regulatorIGARASHI HIROKI·Filed 2005·Granted Oct 30, 2012·2 cites·2 claims
- 3158US8365768B2Fluidic device unit structureSURPASS IND CO LTD·Filed 2007·Granted Feb 5, 2013·1 cites·2 claims
- 3251US2010229971A1Back-pressure responsive valveSURPASS IND CO LTD·Filed 2008·Application pending·0 cites
- 3350US7216667B2Valve opening/closing handle lock mechanismSURPASS IND CO LTD·Filed 2004·Granted May 15, 2007·4 cites·10 claims
- 3449US10519941B2Flow control apparatusSURPASS IND CO LTD·Filed 2016·Granted Dec 31, 2019·0 cites·6 claims
- 3548US9410497B2Electrical control unitDENSO CORP·Filed 2014·Granted Aug 9, 2016·0 cites·5 claims
- 3647US10309815B2Thermal flow meter with reinforcing plate and method of manufacturing the sameSURPASS IND CO LTD·Filed 2016·Granted Jun 4, 2019·0 cites·12 claims
- 3747US6863088B2Replaceable oriface unitSURPASS IND CO LTD·Filed 2003·Granted Mar 8, 2005·6 cites·14 claims
- 3847US2006007894A1Apparatus, program, and method for multiplex transmissionIGARASHI HIROKI·Filed 2004·Application pending·0 cites
- 3945US6874531B2Relief valveSURPASS IND CO LTD·Filed 2002·Granted Apr 5, 2005·1 cites·10 claims
- 4044US11236840B2Flow rate regulating device and control method of flow rate regulating deviceSURPASS IND CO LTD·Filed 2019·Granted Feb 1, 2022·0 cites·10 claims
- 4143US5906107AAir conditioner and control method of the sameFUJITSU GENERAL LTD·Filed 1997·Granted May 25, 1999·13 cites·16 claims
- 4243US2016285386A1RectifierSHARP KABUSSHIKI KAISHA·Filed 2014·Application pending·0 cites
- 4342US9977436B2Flow rate adjustment apparatusSURPASS IND CO LTD·Filed 2016·Granted May 22, 2018·0 cites·5 claims
- 4440US9793793B2Power factor correction circuit and power supply deviceSHARP KK·Filed 2016·Granted Oct 17, 2017·0 cites·20 claims
- 4540US2007181842A1Valve body and valve having the sameSURPASS IND CO LTD·Filed 2005·Application pending·0 cites
- 4639US10024704B2Thermal flow meter having seal areas with deformed ferrulesSURPASS IND CO LTD·Filed 2016·Granted Jul 17, 2018·0 cites·4 claims
- 4739US2005211309A1Fluid pressure regulatorSURPASS IND CO LTD·Filed 2005·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →