Inventor
DOI YOSHITADA
JP32 patents
⚠️ This page may combine multiple inventors who share the name “DOI YOSHITADA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMC CORP
22 patentsUS5333647AAug 2, 1994
Manifold valve
SMC CORP76 citations96
USD828499SSep 11, 2018
Electromagnetic valve
SMC CORP14 citations84
USD828498SSep 11, 2018
Electromagnetic valve
SMC CORP8 citations84
USD835755SDec 11, 2018
Solenoid valve
SMC CORP9 citations83
USD834146SNov 20, 2018
Solenoid valve
SMC CORP5 citations83
USD832400SOct 30, 2018
Solenoid valve
SMC CORP8 citations83
US11278940B2Mar 22, 2022
Compressed fluid discharge control device
SMC CORP6 citations75
US6675830B2Jan 13, 2004
Valve unit capable of monitoring output pressure
SMC CORP9 citations74
USD830512SOct 9, 2018
Solenoid valve
SMC CORP4 citations72
USD830511SOct 9, 2018
Solenoid valve
SMC CORP3 citations72
USD830513SOct 9, 2018
Solenoid valve
SMC CORP3 citations72
US11867318B2Jan 9, 2024
High-pressure fluid discharge device
SMC CORP2 citations69
US11408537B2Aug 9, 2022
Fluid control valve
SMC CORP3 citations68
US11280421B2Mar 22, 2022
Fluorine resin molded body
SMC CORP1 citations61
US10989317B2Apr 27, 2021
Two-way valve
SMC CORP1 citations60
US12565953B2Mar 3, 2026
Fitting nut, fitting, fluid pressure device, and fluid control system
SMC CORP0 citations58
US12553553B2Feb 17, 2026
Nut turning tool and fitting nut turning method
SMC CORP0 citations58
US10859172B2Dec 8, 2020
Switching valve
SMC CORP1 citations58
US12305674B2May 20, 2025
High-pressure fluid discharge device
SMC CORP0 citations52
US11964290B2Apr 23, 2024
Compressed-fluid discharge control device
SMC CORP0 citations52
USD830514SOct 9, 2018
Solenoid valve
SMC CORP0 citations51
US11298714B2Apr 12, 2022
Intermittent air-generating device
SMC CORP0 citations47