Inventor · disambiguated record
Takao Yokoyama
Also filed as: YOKOYAMA TAKAO · YOSHIOKA MITIHIRO
59 granted patents·3 pending applications·334 citations·filing 1974–2022
98Inventor score
Files withMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD24MITSUBISHI HEAVY IND LTD19YOKOYAMA TAKAO6IBIGAWA ELECTRIC IND CO LTD3HITACHI LTD2
Top patents by PatentIndex Score
62 records- 0190US9777578B2Radial turbine bladeMITSUBISHI HEAVY IND LTD·Filed 2012·Granted Oct 3, 2017·15 cites·7 claims
- 0287US9194292B2Turbine housingYOKOYAMA TAKAO·Filed 2010·Granted Nov 24, 2015·11 cites·18 claims
- 0387US8733101B2Wastegate valveHOSHI TORU·Filed 2011·Granted May 27, 2014·8 cites·3 claims
- 0487US7802429B2Exhaust turbo-superchargerMITSUBISHI HEAVY IND LTD·Filed 2006·Granted Sep 28, 2010·28 cites·6 claims
- 0586US10145267B2Turbine housingMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2013·Granted Dec 4, 2018·9 cites·9 claims
- 0685US10746025B2Turbine wheel, radial turbine, and superchargerMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2016·Granted Aug 18, 2020·4 cites·6 claims
- 0783US11512634B2Turbine rotor blade, turbocharger, and method for producing turbine rotor bladeMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2018·Granted Nov 29, 2022·2 cites·9 claims
- 0882US9810225B2Turbine for turbocharger and method for assembling turbochargerMITSUBISHI HEAVY IND LTD·Filed 2012·Granted Nov 7, 2017·7 cites·8 claims
- 0982US4162167AProcess and an apparatus for producing silicon carbide consisting mainly of beta-type crystalIBIGAWA ELECTRIC IND CO LTD·Filed 1977·Granted Jul 24, 1979·21 cites·6 claims
- 1081US10781704B2Turbine and turbochargeMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2016·Granted Sep 22, 2020·2 cites·5 claims
- 1181US10072513B2Radial turbineMITSUBISHI HEAVY IND LTD·Filed 2012·Granted Sep 11, 2018·7 cites·7 claims
- 1281US4292276AApparatus for producing silicon carbideIBIGAWA ELECTRIC IND CO LTD·Filed 1979·Granted Sep 29, 1981·19 cites·2 claims
- 1378US9874222B2Scroll structure of turbine housingMITSUBISHI HEAVY IND LTD·Filed 2012·Granted Jan 23, 2018·4 cites·9 claims
- 1478US9587554B2Twin-scroll turbochargerMITSUBISHI HEAVY IND LTD·Filed 2012·Granted Mar 7, 2017·4 cites·4 claims
- 1577US9328738B2Turbine scroll part structureYOKOYAMA TAKAO·Filed 2011·Granted May 3, 2016·6 cites·4 claims
- 1677US6877955B2Mixed flow turbine and mixed flow turbine rotor bladeMITSUBISHI HEAVY IND LTD·Filed 2003·Granted Apr 12, 2005·34 cites·4 claims
- 1776US10443414B2Turbine casing, turbine, core for casting turbine casing, and method for producing turbine casingMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2014·Granted Oct 15, 2019·1 cites·6 claims
- 1876US8096777B2Mixed flow turbine or radial turbineYOKOYAMA TAKAO·Filed 2007·Granted Jan 17, 2012·16 cites·12 claims
- 1975US10006297B2Turbine rotor bladeMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Jun 26, 2018·5 cites·6 claims
- 2075US9260971B2Turbine rotorYOSHIDA TOYOTAKA·Filed 2010·Granted Feb 16, 2016·6 cites·8 claims
- 2174US10634042B2Rotating machine and method for manufacturing casing for rotating machineMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2016·Granted Apr 28, 2020·1 cites·7 claims
- 2274US10006355B2Variable-geometry exhaust turbineMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Jun 26, 2018·3 cites·20 claims
- 2373US10378369B2TurbineMITSUBISHI HEAVY IND LTD·Filed 2015·Granted Aug 13, 2019·2 cites·4 claims
- 2472US9011097B2Turbine wheelYOKOYAMA TAKAO·Filed 2010·Granted Apr 21, 2015·4 cites·12 claims
- 2571US10519850B2Turbine housing and method of producing turbine housingMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2014·Granted Dec 31, 2019·4 cites·20 claims
- 2669US9039374B2Turbine rotorOSAKO KATSUYUKI·Filed 2010·Granted May 26, 2015·4 cites·7 claims
- 2767US10385765B2Variable geometry turbochargerMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2012·Granted Aug 20, 2019·4 cites·13 claims
- 2867US9353630B2Turbine rotorMITSUBISHI HEAVY IND LTD·Filed 2015·Granted May 31, 2016·1 cites·3 claims
- 2967US8591177B2Structure of radial turbine scrollYOKOYAMA TAKAO·Filed 2009·Granted Nov 26, 2013·9 cites·7 claims
- 3067US4068188APhase locked loop circuitHITACHI LTD·Filed 1977·Granted Jan 10, 1978·15 cites·9 claims
- 3165US10890105B2Exhaust gas turbochargerMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2017·Granted Jan 12, 2021·1 cites·20 claims
- 3265US3976502ANickel-zinc alkaline storage batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1974·Granted Aug 24, 1976·15 cites·3 claims
- 3364US11092068B2Variable geometry turbochargerMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2016·Granted Aug 17, 2021·1 cites·13 claims
- 3464US10563515B2Turbine impeller and variable geometry turbineMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2015·Granted Feb 18, 2020·1 cites·9 claims
- 3564US8226358B2Turbine and turbocharger having the sameMATSUO ATSUSHI·Filed 2008·Granted Jul 24, 2012·9 cites·6 claims
- 3663US9926938B2Variable geometry turbochargerMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Mar 27, 2018·1 cites·5 claims
- 3763US5337349AImage telecommunication apparatusMATSUSHITA GRAPHIC COMMUNIC·Filed 1992·Granted Aug 9, 1994·28 cites·5 claims
- 3860US10895226B2TurbochargerMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2016·Granted Jan 19, 2021·1 cites·6 claims
- 3960US9028202B2Variable geometry turbineYOKOYAMA TAKAO·Filed 2011·Granted May 12, 2015·2 cites·8 claims
- 4057US10731467B2TurbineMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2014·Granted Aug 4, 2020·1 cites·3 claims
- 4156US12460562B2Mixed flow turbine and turbochargerMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2022·Granted Nov 4, 2025·0 cites·9 claims
- 4256US10072523B2Sheet-metal turbine housingMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Sep 11, 2018·1 cites·7 claims
- 4356US4390504AApparatus for producing silicon carbide consisting mainly of β-type crystalIBIGAWA ELECTRIC IND CO LTD·Filed 1981·Granted Jun 28, 1983·12 cites·13 claims
- 4454US9790957B2Air intake duct structure for centrifugal fluid machineMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Oct 17, 2017·1 cites·5 claims
- 4551US11187144B2Diffuser and turbochargerMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2017·Granted Nov 30, 2021·0 cites·13 claims
- 4650US11384683B2Turbocharger and internal combustion engineMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2018·Granted Jul 12, 2022·0 cites·11 claims
- 4750US10006348B2Turbocharger deviceMITSUBISHI HEAVY IND LTD·Filed 2014·Granted Jun 26, 2018·0 cites·7 claims
- 4848US11022130B2TurbochargerMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2016·Granted Jun 1, 2021·0 cites·1 claims
- 4947US9797320B2Engine system with intake bypass deviceMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Oct 24, 2017·0 cites·5 claims
- 5047US2015037146A1TurbochargerMITSUBISHI HEAVY IND LTD·Filed 2013·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
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