Inventor · disambiguated record
Tsuneo Ishigaki
Also filed as: ISHIGAKI TSUNEO
30 granted patents·1 pending application·1,269 citations·filing 1975–2016
98Inventor score
Top patents by PatentIndex Score
31 records- 0198US6299133B2Gate valveSMC KK·Filed 2000·Granted Oct 9, 2001·532 cites·11 claims
- 0297US6523833B1Low load sealMITSUBISHI CABLE IND LTD·Filed 2000·Granted Feb 25, 2003·110 cites·6 claims
- 0397US5848608AVacuum-pressure-control slow exhaust valveSMC CORP·Filed 1996·Granted Dec 15, 1998·107 cites·5 claims
- 0494US8800956B2Non-sliding gate valveSMC CORP·Filed 2012·Granted Aug 12, 2014·18 cites·13 claims
- 0594US7066443B2Gate valveSMC CORP·Filed 2003·Granted Jun 27, 2006·47 cites·3 claims
- 0693US9599233B2Gate valveSMC CORP·Filed 2015·Granted Mar 21, 2017·9 cites·4 claims
- 0793US6390449B1Gate valveSMC KK·Filed 2000·Granted May 21, 2002·55 cites·16 claims
- 0891US4443775ASolenoid actuatorSHOKETSU KINZOKU KOGYO KK·Filed 1982·Granted Apr 17, 1984·60 cites·5 claims
- 0989US9404589B2Non-sliding gate valveSMC CORP·Filed 2014·Granted Aug 2, 2016·9 cites·4 claims
- 1088US3994318APilot-controlled electromagnetic valveSHOKETSU KINZOKU KOGYO KK·Filed 1975·Granted Nov 30, 1976·43 cites·7 claims
- 1185US7234679B2Gate valveSMC CORP·Filed 2006·Granted Jun 26, 2007·11 cites·8 claims
- 1284US6478043B2Opening/closing valveSMC KK·Filed 2001·Granted Nov 12, 2002·29 cites·16 claims
- 1383US8534311B2Vacuum valveISHIGAKI TSUNEO·Filed 2011·Granted Sep 17, 2013·9 cites·16 claims
- 1481US7841578B2Vacuum valveSMC CORP·Filed 2007·Granted Nov 30, 2010·10 cites·12 claims
- 1575US6932111B2Gate valve apparatusSMC CORP·Filed 2004·Granted Aug 23, 2005·17 cites·12 claims
- 1675US6095180AHigh-vacuum valveSMC CORP·Filed 1999·Granted Aug 1, 2000·30 cites·6 claims
- 1773US10253889B2Gate valveSMC CORP·Filed 2016·Granted Apr 9, 2019·2 cites·12 claims
- 1873US9482350B2Radical-resistant gate valveSMC CORP·Filed 2015·Granted Nov 1, 2016·2 cites·4 claims
- 1972US6464203B1Swing-door gate valveSMC CORP·Filed 2000·Granted Oct 15, 2002·17 cites·11 claims
- 2068US4409580ASolenoid actuator for electromagnetic valveSHOKETSU KINZOKU KOGYO KK·Filed 1981·Granted Oct 11, 1983·23 cites·4 claims
- 2167US4717116APilot mode two-port solenoid valveSMC CORP·Filed 1986·Granted Jan 5, 1988·23 cites·4 claims
- 2265US5145152AHigh-vacuum valvesSMC CORP·Filed 1991·Granted Sep 8, 1992·25 cites·4 claims
- 2362US7896313B2Linear motion-type gate valveSMC CORP·Filed 2008·Granted Mar 1, 2011·2 cites·16 claims
- 2462US6619618B2Gate valveSMC CORP·Filed 2001·Granted Sep 16, 2003·12 cites·1 claims
- 2554US4723755ATwo-port solenoid valveSMC CORP·Filed 1986·Granted Feb 9, 1988·16 cites·4 claims
- 2653US5836568AHigh-vacuum valveSMC CORP·Filed 1997·Granted Nov 17, 1998·18 cites·2 claims
- 2746US5072592AGas cleanerSMC CORP·Filed 1990·Granted Dec 17, 1991·12 cites·10 claims
- 2839US5927334AThree-port valveSMC CORP·Filed 1997·Granted Jul 27, 1999·8 cites·5 claims
- 2937US6095193ASmooth vent valveSMC CORP·Filed 1998·Granted Aug 1, 2000·7 cites·12 claims
- 3036US2002030171A1Opening/closing valveFiled 2001·Application pending·0 cites
- 3135US6433308B1High vacuum valveSMC KK·Filed 1999·Granted Aug 13, 2002·6 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Tsuneo Ishigaki 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 →