Inventor · disambiguated record
Shigekazu Nagai
Also filed as: NAGAI SHIGEKAZU
137 granted patents·12 pending applications·3,595 citations·filing 1990–2010
99Inventor score
Top patents by PatentIndex Score
149 records- 0198US5192070ASuction padSMC KK·Filed 1991·Granted Mar 9, 1993·125 cites·2 claims
- 0297US6416295B1Vacuum-generating unitSMC KK·Filed 2000·Granted Jul 9, 2002·121 cites·5 claims
- 0397US5190332ASuction pad for attracting and holding a workpieceSMC KK·Filed 1991·Granted Mar 2, 1993·99 cites·9 claims
- 0496US5761960AActuatorSMC KK·Filed 1996·Granted Jun 9, 1998·72 cites·11 claims
- 0596US5689994AActuator and actuator systemSMC KK·Filed 1994·Granted Nov 25, 1997·86 cites·9 claims
- 0695US7562594B2Electric actuator capable of converting rotational motion to a linear motionSMC CORP·Filed 2005·Granted Jul 21, 2009·42 cites·3 claims
- 0795US6084326AActuatorSMC KK·Filed 1999·Granted Jul 4, 2000·78 cites·22 claims
- 0895US5445045AActuator and actuator arrangementSMC KK·Filed 1994·Granted Aug 29, 1995·65 cites·10 claims
- 0995US5193776AMechanism for locking angular movement of suction padSMC KK·Filed 1991·Granted Mar 16, 1993·71 cites·10 claims
- 1094US6354580B1Electric clamp apparatusSMC KK·Filed 2000·Granted Mar 12, 2002·62 cites·15 claims
- 1194USD413129SElectric actuatorSMC KK·Filed 1998·Granted Aug 24, 1999·51 cites·1 claims
- 1294US5887623AFluid pressure apparatusSMC KK·Filed 1996·Granted Mar 30, 1999·49 cites·7 claims
- 1394US5683227AMultistage ejector assemblySMC CORP·Filed 1994·Granted Nov 4, 1997·81 cites·3 claims
- 1493US5747896AElectric actuatorSMC KK·Filed 1996·Granted May 5, 1998·60 cites·8 claims
- 1593USD373963SCoupling member for framesSMC KK·Filed 1995·Granted Sep 24, 1996·45 cites·1 claims
- 1692US7628727B2Automatic speed reducing ratio-switching apparatusSMC KK·Filed 2007·Granted Dec 8, 2009·21 cites·11 claims
- 1792US7443121B2Actuator control systemSMC KK·Filed 2005·Granted Oct 28, 2008·23 cites·8 claims
- 1892USD399830SElectric actuatorSMC KK·Filed 1997·Granted Oct 20, 1998·44 cites·1 claims
- 1990US7448134B2Method for producing actuator having guide-equipped frameSMC KK·Filed 2006·Granted Nov 11, 2008·12 cites·8 claims
- 2090USD411539SRemote control for controlling the operation of a motorSMC KK·Filed 1998·Granted Jun 29, 1999·41 cites·1 claims
- 2190US5779412AProfile frame and connectorSMC CORP·Filed 1997·Granted Jul 14, 1998·97 cites·5 claims
- 2289US6000292AActuatorSMC KK·Filed 1996·Granted Dec 14, 1999·48 cites·10 claims
- 2389US5884664AFluid pressure apparatusSMC KK·Filed 1997·Granted Mar 23, 1999·32 cites·10 claims
- 2489US5617898AFluid pressure apparatusSMC KK·Filed 1992·Granted Apr 8, 1997·74 cites·14 claims
- 2588US7220205B2Automatic speed reducing ratio-switching apparatusSMC KK·Filed 2005·Granted May 22, 2007·15 cites·20 claims
- 2688USD412918SElectric actuatorSMC KK·Filed 1998·Granted Aug 17, 1999·34 cites·1 claims
- 2788US5234386AActuator and actuator arrangementSMC KK·Filed 1992·Granted Aug 10, 1993·37 cites·18 claims
- 2887US6344718B1Electric actuatorSMC KK·Filed 1999·Granted Feb 5, 2002·40 cites·10 claims
- 2986US8962163B2Aluminum alloy for anodization and aluminum alloy componentSHIMAO RYOUSUKE·Filed 2010·Granted Feb 24, 2015·13 cites·2 claims
- 3086USD399491SElectric actuatorSMC KK·Filed 1996·Granted Oct 13, 1998·30 cites·1 claims
- 3186US5617338AMethod of and system for electrically processing vacuum pressure information suitable for use in vacuum unitSMC KK·Filed 1996·Granted Apr 1, 1997·67 cites·9 claims
- 3285USD525194SMotor controllerSMC KK·Filed 2004·Granted Jul 18, 2006·29 cites·1 claims
- 3385US5799543AActuator structural bodySMC KK·Filed 1993·Granted Sep 1, 1998·84 cites·23 claims
- 3484US6370975B1Actuator and actuator systemSMC KK·Filed 2000·Granted Apr 16, 2002·16 cites·2 claims
- 3584US5637940AElectric ActuatorSMC KK·Filed 1995·Granted Jun 10, 1997·51 cites·19 claims
- 3683US6065789ASuction apparatusSMC KK·Filed 1998·Granted May 23, 2000·41 cites·9 claims
- 3783US5806897AMechanism for attaching a fluid-related device to a device-attaching frame memberSMC CORP·Filed 1996·Granted Sep 15, 1998·55 cites·4 claims
- 3882US6142030AActuator and actuator systemSMC KK·Filed 1997·Granted Nov 7, 2000·27 cites·6 claims
- 3982US5809831AElectric actuatorSMC KK·Filed 1996·Granted Sep 22, 1998·34 cites·10 claims
- 4082US5676016AElectric actuatorSMC KK·Filed 1996·Granted Oct 14, 1997·36 cites·12 claims
- 4182US5566718AFluid pressure deviceSMC KK·Filed 1995·Granted Oct 22, 1996·27 cites·15 claims
- 4281US5785359AJoint mechanism for structural membersSMC KK·Filed 1994·Granted Jul 28, 1998·49 cites·8 claims
- 4380US6655225B1Motor-driven actuatorSMC KK·Filed 1999·Granted Dec 2, 2003·42 cites·17 claims
- 4480USD386702SFrame for pressurized fluid-operating devicesSMC KK·Filed 1995·Granted Nov 25, 1997·23 cites·1 claims
- 4579US6848327B2ActuatorSMC KK·Filed 2001·Granted Feb 1, 2005·22 cites·7 claims
- 4679US6405099B1Automatic control systemSMC KK·Filed 1997·Granted Jun 11, 2002·114 cites·6 claims
- 4779USD370423SFrame for pressurized fluid-operating devicesSMC KK·Filed 1995·Granted Jun 4, 1996·22 cites·1 claims
- 4878US7298108B2Control system for electric actuatorSMC KK·Filed 2005·Granted Nov 20, 2007·9 cites·7 claims
- 4978US7124657B2Electric actuator and method of assembling the sameSMC KK·Filed 2003·Granted Oct 24, 2006·16 cites·4 claims
- 5078USD456826SLinear actuatorSMC KK·Filed 2001·Granted May 7, 2002·22 cites·1 claims
Showing the top 50 of 149 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →