Inventor · disambiguated record
Yoshitada Doi
Also filed as: DOI YOSHITADA
30 granted patents·1 pending application·321 citations·filing 1993–2020
97Inventor score
Top patents by PatentIndex Score
31 records- 0196US5333647AManifold valveSMC CORP·Filed 1993·Granted Aug 2, 1994·76 cites·20 claims
- 0295US7903383B2Solenoid valve driving circuit and solenoid valveSMC KK·Filed 2008·Granted Mar 8, 2011·37 cites·18 claims
- 0391US11278940B2Compressed fluid discharge control deviceSMC CORP·Filed 2018·Granted Mar 22, 2022·6 cites·9 claims
- 0490US5459953AManifold valveSMC KK·Filed 1994·Granted Oct 24, 1995·43 cites·16 claims
- 0584US11408537B2Fluid control valveSMC CORP·Filed 2020·Granted Aug 9, 2022·3 cites·4 claims
- 0683US11867318B2High-pressure fluid discharge deviceSMC CORP·Filed 2020·Granted Jan 9, 2024·2 cites·7 claims
- 0780US11280421B2Fluorine resin molded bodySMC CORP·Filed 2020·Granted Mar 22, 2022·1 cites·3 claims
- 0873USD828499SElectromagnetic valveSMC CORP·Filed 2017·Granted Sep 11, 2018·14 cites·1 claims
- 0972USD835755SSolenoid valveSMC CORP·Filed 2018·Granted Dec 11, 2018·9 cites·1 claims
- 1070USD832400SSolenoid valveSMC CORP·Filed 2018·Granted Oct 30, 2018·8 cites·1 claims
- 1168US10989317B2Two-way valveSMC CORP·Filed 2019·Granted Apr 27, 2021·1 cites·11 claims
- 1265US5586570ADirectional control valveSMC KK·Filed 1994·Granted Dec 24, 1996·25 cites·10 claims
- 1362US10859172B2Switching valveSMC CORP·Filed 2016·Granted Dec 8, 2020·1 cites·6 claims
- 1460USD834146SSolenoid valveSMC CORP·Filed 2018·Granted Nov 20, 2018·5 cites·1 claims
- 1560USD828498SElectromagnetic valveSMC CORP·Filed 2017·Granted Sep 11, 2018·8 cites·1 claims
- 1660US5771918ADevice for connecting output pipe to valveSMC KK·Filed 1994·Granted Jun 30, 1998·19 cites·9 claims
- 1758USD750745SElectromagnetic valveSATO HIDEHARU·Filed 2015·Granted Mar 1, 2016·9 cites·1 claims
- 1855USD725231SElectromagnetic valveDOI YOSHITADA·Filed 2014·Granted Mar 24, 2015·9 cites·1 claims
- 1955US6675830B2Valve unit capable of monitoring output pressureSMC CORP·Filed 2002·Granted Jan 13, 2004·9 cites·6 claims
- 2053US12305674B2High-pressure fluid discharge deviceSMC CORP·Filed 2020·Granted May 20, 2025·0 cites·7 claims
- 2152USD734833SElectromagnetic valveSATO HIDEHARU·Filed 2014·Granted Jul 21, 2015·7 cites·1 claims
- 2250USD830513SSolenoid valveSMC CORP·Filed 2017·Granted Oct 9, 2018·3 cites·1 claims
- 2350USD801479SElectromagnetic valveDOI YOSHITADA·Filed 2016·Granted Oct 31, 2017·6 cites·1 claims
- 2450US2009015980A1Solenoid valve driving circuit and solenoid valveSMC KK·Filed 2008·Application pending·0 cites
- 2549USD830512SSolenoid valveSMC CORP·Filed 2017·Granted Oct 9, 2018·4 cites·1 claims
- 2649USD734432SPinch valveSATO HIDEHARU·Filed 2014·Granted Jul 14, 2015·6 cites·1 claims
- 2749USD725232SElectromagnetic valveDOI YOSHITADA·Filed 2014·Granted Mar 24, 2015·7 cites·1 claims
- 2848US11964290B2Compressed-fluid discharge control deviceSMC CORP·Filed 2018·Granted Apr 23, 2024·0 cites·6 claims
- 2945USD830511SSolenoid valveSMC CORP·Filed 2017·Granted Oct 9, 2018·3 cites·1 claims
- 3041US11298714B2Intermittent air-generating deviceSMC CORP·Filed 2017·Granted Apr 12, 2022·0 cites·6 claims
- 3131USD830514SSolenoid valveSMC CORP·Filed 2017·Granted Oct 9, 2018·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Yoshitada Doi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →